mmup civil questions 01

CIVIL QUESTIONS 

Pick up the correct statement from the following:

A. Pick up the correct statement from the following: A. The theory of formation of concrete is based on the phenomena of formation of voids B. The bulking of sand is taken into account while volumetric proportioning of the aggregates C. The dry sand and the sand completely flooded with water, have practically the same volume D. The expansion and contraction joints are provided if concrete structures exceed 12 m in length E. All the above Answer: Option E Initial setting time of cement for asbestos cement products should be not less than A. 30 minutes B. 50 minutes C. 75 minutes D. 90 minutes Answer: Option D Pick up the correct statement regarding low heat cement from the following: A. It possesses less compressive strength B. Its initial setting time is about one hour C. Its final setting time is about 10 hours D. Its mainly used for mass concrete work E. All the above. Answer: Option E Name the type of cement from the following for canal linings : A. sulphate resisting cement B. rapid hardening cement C. quick setting cement D. pozzuolana cement. Answer: Option A If water required for 1 bag of cement is 30 litres, the water cement ratio is : A. 0.40 B. 0.50 C. 0.60 D. None of these. Answer: Option C The weight of 1 m3 of brick earth, is about A. 1200 kg B. 1500 kg C. 1800 kg D. 2000 kg. Answer: Option C Mastic asphalt is normally used for A. sound insulation B. water proofing C. fire proofing D. none to these. Answer: Option B Strength of cement concrete primarily depends upon A. quality of water B. quantity of aggregate C. quantity of cement D. water-cement ratio. Answer: Option D Soundness of cement is tested by A. Vicat's apparatus B. Le-chatelier apparatus C. compressive strength testing apparatus D. none of the these. Answer: Option B Slump test for concrete is carried out, to determine A. strength B. durability C. workability D. water content. Answer: Option C In case of Raymond pile A. lengths vary from 6 m to 12 m B. diameter of top of piles varies from 40 cm to 60 cm C. diameter of pile at bottom varies from 20 cm to 28 cm D. thickness of outer shell depends upon pile diameter E. all the above. Answer: Option E The foundations are placed below ground level, to increase A. strength B. workability C. stability of structure D. all the above. Answer: Option C The loose pockets in soil mass can be bridged safely by providing a raft foundation provided the soft area is smaller than A. the column spacing B. one-third the column spacing C. half the column spacing D. three-fourth the column spacing E. none of these. Answer: Option B The concrete slump recommended for beams and slabs ; is A. 25 to 50 mm B. 25 to 75 mm C. 30 to 125 mm D. 50 to 100 mm E. none of these. Answer: Option C The entrained concrete is used in lining walls and roofs for making A. heat insulated B. sound insulated C. neither (a) nor (b) D. both (a) and (b). Answer: Option D For providing a raft foundation, the following activities are involved ramming the foundation bed excavation of the soil upto required depth laying the reinforcement over the foundation bed curing the cement concrete placed over reinforcement pouring the cement concrete over the reinforcement. The correct sequence is A. 1, 2, 3, 4, 5 B. 5, 4, 3, 2, 1 C. 2, 1, 3, 5, 4 D. 3, 2, 5, 1, 4. Answer: Option C During percussion drilling A. ground water observations are hindered due to entry of the slurry in the soil below the bottom of the hole B. caving or mixing of strata are caused in soft soils or cohesionless soils C. the soil to a considerable depth below the bottom of the hole gets disturbed D. all the above. Answer: Option D Raft foundation are generally preferred to when the area required for individual footing, is more than A. 25% to total area B. 30% of total area C. 40% to total area D. 50% of total area. Answer: Option D Pick up the incorrect statement from the following: A. The retaining wall should be structurally capable to resist the applied earth pressure B. The section of the retaining wall should be so proportioned that it may not overturn by the lateral pressure C. The retaining wall should be safe against sliding D. The foundation of the retaining wall should not be stressed beyond safe bearing capacity ; due to its weight and the force resulting from the earth pressure E. to drain off water from the earth retained, weep holes are provided near the top of the retaining wall. Answer: Option E The process of keeping concrete moist for a certain period after its finishing, is known as A. finishing of concrete B. curing of concrete C. placing of concrete D. compaction of concrete E. none of these. Answer: Option B Raft foundations are used for : A. providing increased area of foundation over poor bearing capacity of soil B. spanning over small soft or loose pockets C. counter acting the hydrostatic effect D. all the above. Answer: Option D The foundation which consists of a thick reinforced cement slab covering whole area to support heavy concentrated structural loads, is known as A. combined footing B. strap footing C. raft footing D. none of these Answer: Option C For a wall carrying heavy load on low bearing capacity soil, A. lean concrete bed is provided B. thick concrete bed is provided C. reinforced concrete bed is provided D. (a) and (c) of the above E. (b) and (c) of the above. Answer: Option D The bearing capacity of a water logged soil, may be improved by A. grouting B. chemical action C. drainage D. compaction. Answer: Option C Two columns 50 cm x 50 cm and 60 cm x 60 cm carry 80 tonnes and 120 tonnes of loads respectively. The centre to centre distance between columns is 5.00 metres. The permissible bearing capacity of the soil is 20 t/m2. If the footing is not to project more than 25 cm beyond the outside of the smaller column, pick up the correct design parameters of the footing from the following: A. distance of C.G. of the loads from the smaller column = 3.00 m B. the length of the foundation slab = 7.00 m C. area of footing slab = 11.00 m2 D. width of the footing = 1.57 m. E. all the above. Answer: Option E The formWork including the props can be removed from beams, only after A. 3 day B. 7 days C. 14 days D. 21 days. Answer: Option C The concrete slump recommended for foundations, is A. 25 to 50 mm B. 30 to 125 mm C. 50 to 100 mm D. 75 to 125 mm E. none of these. Answer: Option C The construction joints in buildings are provided after A. 10 m B. 15 m C. 20 m D. 40 m E. 60 m. Answer: Option D Pick up the correct statements from the following : A. cracks appear on the plastered surface in the form of hair cracks B. in brick work, the efflorescence is removed by applying a solution of zinc sulphate and water C. excessive thermal variations in the backing or plaster causes the plaster to fall D. all the above. Answer: Option D Pick up the correct statement from the following: A. Plain cement concrete is equally strong in compression as well as in tension B. Slump test is performed to check concrete strength C. Curing of concrete is done for proper compaction of cement D. Fineness modulus is the index number expressing the relative sizes of both coarse and fine aggregates E. Concrete is a mixture of binding material, coarse aggregate and water. Answer: Option D Pick up the correct statement from the following : A. Isolated footing is provided under column to transfer the load safely to soil bed B. column footings may have steps or projections in the concrete base C. heavily loaded column base must be provided steel reinforcement in both directions D. the concrete offset should be at least 15 cm on all sides E. all the above. Answer: Option E If h is the difference in level between end points separated by l, then the slope correction is . The second term may be neglected if the value of h in a 20 m distance is less than A. m B. 1 m C. 2 m D. 3 m Answer: Option D The accuracy of measurement in chain surveying, does not depend upon A. length of the offset B. scale of the plotting C. importance of the features D. general layout of the chain lines. Answer: Option D Offsets are measured with an accuracy of 1 in 40. If the point on the paper from both sources of error (due to angular and measurement errors) is not to exceed 0.05 cm on a scale of 1 cm = 20 m, the maximum length of offset should be limited to A. 14.14 B. 28.28 m C. 200 m D. none of these. Answer: Option B Ranging in chain survey means A. looking at an isolated point not on the line B. establishing an intermediate point on the line C. determining the distance between end points D. determining the offset distance E. none of these Answer: Option B The operation of resection involves the following steps rough orientation of the plane table the three lines form a triangle of error drawing lines back through the three control points select a point in the triangle of error such that each ray is equally rotated either clockwise or anti clockwise the points obtained by three rays is the correct location. The correct sequence is A. 1, 3, 2, 4, 5 B. 1, 2, 3, 4, 5 C. 1, 4, 3, 2, 5 D. 1, 3, 2, 4, 5 Answer: Option A If the length of a transition curve to be introduced between a straight and a circular curve of radius 500 m is 90 m, the maximum perpendicular offset for the transition curve, is A. 0.70 m B. 1.70 m C. 2.70 m D. 3.70 m E. 4.70 m Answer: Option C For quality control of Portland cement, the test essentially done is A. setting time B. soundness C. tensile strength D. consistency E. all the above. Answer: Option E If 1500 g of water is required to have a cement paste 1875 g of normal consistency, the percentage of water is, A. 20% B. 25% C. 30% D. 35% E. 40% Answer: Option B Hydration of cement is due to chemical action of water with A. Tricalcium silicate and dicalcium silicate B. Dicalcium silicate and tricalcium aluminate C. Tricalcium aluminate and tricalcium alumino ferrite D. All the above. Answer: Option D Curing A. reduces the shrinkage of concrete B. preserves the properties of concrete C. prevents the loss of water by evaporation D. all of the above. Answer: Option D Curing a concrete for long period ensures better A. volume stability B. strength C. water resistance D. water tightness and durability E. all the above. Answer: Option E Pick up the correct statement from the following: A. Insufficient quantity of water makes the concrete mix harsh B. Insufficient quantity of water makes the concrete unworkable C. Excess quantity of water makes the concrete segregated D. Excess quantity of water causes bleeding in concrete E. All the above Answer: Option E Workability of concrete is measured by A. Vicat apparatus test B. Slump test C. Minimum void method D. Talbot Richard test. Answer: Option B Shrinkage in concrete can be reduced by using A. low water cement ratio B. less cement in the concrete C. proper concrete mix D. presaturated aggregates E. all the above. Answer: Option E A construction joint is provided where A. bending moment is small B. shear force is small C. the member is supported by other member D. all the above. Answer: Option D Pick up the correct statement from the following: A. According to the petrological characteristics, concrete aggregates are classified as heavy weight, normal weight and light weight B. According to the shape of the particles, concrete aggregates are classified as rounded irregular, angular and flaky C. According to the surface texture of the particles, the concrete aggregates are classified as glassy, smooth, granular, rough, crystalline, honey combed and porous D. All the above. Answer: Option D Pick up the incorrect statement from the following: A. The degree of grinding of cement, is called fineness B. The process of changing cement paste into hard mass, is known as setting of cement C. The phenomenon by virtue of which cement does not allow transmission of sound, is known as soundness of cement D. The heat generated during chemical reaction of cement with water, is known as heat of hydration E. None of these. Answer: Option C Permissible compressive strength of M 150 concrete grade is A. 100 kg/cm2 B. 150 kg/cm2 C. 200 kg/cm2 D. 250 kg/cm2 E. 300 kg/cm2 Answer: Option C Slump test of concrete is a measure ofits A. consistency B. compressive strength C. tensile strength D. impact value. Answer: Option A Water cement ratio is A. volume of water to that of cement B. weight of water to that of cement C. weight of concrete to that of water D. volume of concrete to that of water E. both (a) and (b) of the above. Answer: Option E Separation of water or water sand cement from a freshly concrete, is known A. bleeding B. creeping C. segregation D. flooding E. none of these. Answer: Option A According to Water-Cement Ratio Law, the strength of workable plastic concrete A. depends upon the amount of water used in the mix B. does not depend upon the quality of cement mixed with aggregates C. does not depend upon the quanity of cement mixed with aggregates D. all the above Answer: Option D High temperature A. increases the strength of concrete B. decreases the strength of concrete C. has no effect on the strength of concrete D. none of these. Answer: Option B Allowable shear strength of concrete, depends upon A. shear strength B. tensile strength C. compressive strength D. none of these. Answer: Option A Workability of concrete mix with low water cement ratio is determined by A. tensile strength test B. slump test C. compaction factor test D. flexural strength test E. none of these Answer: Option C While designing an air entrained concrete A. water cement ratio is reduced B. proportion of aggregates is reduced C. an allowance for the entrained air is made D. strength of the concrete, is reduced E. all the above Answer: Option E Concrete gains strength due to A. chemical reaction of cement with sand and coarse aggregates B. evaporation of water from concrete C. hydration of cement D. All the above. Answer: Option C Expansion joints are provided if the length of concrete structures exceeds A. 10 m B. 15 m C. 15 m D. 35 m E. 45 m Answer: Option E Workability improved by adding A. fly ash B. hydrated lime C. calcium chloride D. bentonite E. all the above. Answer: Option E If the slump of a concrete mix is 60 mm, its workability is A. very low B. low C. medium D. high E. none of these. Answer: Option C Pick up the correct statement from the following: A. Construction joints in columns are provided a few cm below the junction of beam B. Construction joints in columns are provided at the bottom haunching C. Construction joints in beams and slabs are provided within middel third D. Constructionjoints are generally provided in positions subjected to least shear force E. All the above. Answer: Option E The shortest distance between two places measured along the surface of the earth, is A. length of the equator between their longitudes B. length of the parallel between their longitudes C. length of the arc of the great circle passing through them D. none of these. Answer: Option C In the cantilever truss as shown in below figure, the horizontal component of the reaction at A, is A. 30 tonnes B. 60 tonnes C. 90 tonnes D. 120 tonnes E. 150 tonnes. Answer: Option A For a simply supported beam with a central load, the bending moment is A. least at the centre B. least at the supports C. maximum at the supports D. maximum at the centre. Answer: Option D A simply supported beam carrying a uniformly distributed load over its whole span, is propped at the centre of the span so that the beam is held to the level of the end supports. The reaction of the prop will be A. half the distributed load B. 3/8th the distributed load C. 5/8th the distributed load D. distributed load. E. none of these. Answer: Option C The range within which a load can be applied on a rectangular column, to avoid any tensile stress, is A. one-half of the base B. one-fifth of the base C. one-fourth of the base D. one-fifth of the base E. one sixth of the base on either side of centroid. Answer: Option B The shear stress at any section of a shaft is maximum A. at the centre of the section B. at a distance r/2 from the centre C. at the top of the surface D. at a distance 3/4 r from the centre E. none of these. Answer: Option C The region of the cross-section of a column in which compressive load may be applied without producing any tensile stress, is known as the core of the cross-section. In circular columns the radius of the core, is A. one-half of the radius B. one-third of the radius C. one-quarter of the radius D. one-fifth of the radius E. one-sixth of the radius. Answer: Option C The maximum bending moment due to a moving load on a simply supported beam, occurs A. at the mid span B. at the supports C. under the load D. anywhere on the beam E. none of these. Answer: Option C A simply supported beam of span L carries a uniformly distributed load W. The maximum bending moment M is A. B. C. D. E. Answer: Option C A cantilever beam rectangular in cross-section is subjected to an isolated load at its free end. If the width of the beam is doubled, the deflection of the free end will be changed in the ratio of A. 8 B. 1/8 C. 1/2 D. 2 E. 3 Answer: Option C When equal and opposite forces applied to a body, tend to elongate it, the stress so produced, is called A. shear stress B. compressive stress C. tensile stress D. transverse stress Answer: Option C Stress in a beam due to simple bending, is A. directly proportional B. inversely proportional C. curvilinearly related D. none of these. Answer: Option A The bending moment is maximum on a section where shearing force A. is maximum B. is minimum C. is equal D. changes sign. Answer: Option D A district road with a bituminous pavement has a horizontal curve of 1000 m for a design speed of 75 km ph. The super-elevation is A. 1 in 40 B. 1 in 50 C. 1 in 60 D. 1 in 70 E. none of these. Answer: Option A The total length of a valley formed by two gradients - 3% and + 2% curve between the two tangent points to provide a rate of change of centrifugal acceleration 0.6 m/sec2, for a design speed 100 km ph, is A. 16.0 m B. 42.3 m C. 84.6 m D. none of these Answer: Option A The advantage of providing superelevation on roads, is A. higher speed of vehicles B. increased volume of traffic C. reduced maintenance cost of the roads D. draining off rain water quickly E. all the above. Answer: Option E For a vehicle moving with a speed of 80 km per hour, the brake reaction time, in ordinary cases, is A. 1 sec B. 1.5 sec C. 2.0 sec D. 2.5 sec E. 3.0 sec Answer: Option D eory of formation of concrete is based on the phenomena of formation of voids B. The bulking of sand is taken into account while volumetric proportioning of the aggregates C. The dry sand and the sand completely flooded with water, have practically the same volume D. The expansion and contraction joints are provided if concrete structures exceed 12 m in length E. All the above

Answer: Option E

Initial setting time of cement for asbestos cement products should be not less than

A. 30 minutes B. 50 minutes C. 75 minutes D. 90 minutes

Answer: Option D

Pick up the correct statement regarding low heat cement from the following:

A. It possesses less compressive strength B. Its initial setting time is about one hour C. Its final setting time is about 10 hours D. Its mainly used for mass concrete work E. All the above.

Answer: Option E

Name the type of cement from the following for canal linings :

A. sulphate resisting cement B. rapid hardening cement C. quick setting cement D. pozzuolana cement.

Answer: Option A

	If water required for 1 bag of cement is 30 litres, the water cement ratio is :
	A. 0.40 B. 0.50 C. 0.60 D. None of these.

Answer: Option C

The weight of 1 m3 of brick earth, is about

A. 1200 kg B. 1500 kg C. 1800 kg D. 2000 kg.

Answer: Option C

Mastic asphalt is normally used for

A. sound insulation B. water proofing C. fire proofing D. none to these.

Answer: Option B

Strength of cement concrete primarily depends upon

A. quality of water B. quantity of aggregate C. quantity of cement D. water-cement ratio.

Answer: Option D

Soundness of cement is tested by

A. Vicat's apparatus B. Le-chatelier apparatus C. compressive strength testing apparatus D. none of the these.

Answer: Option B

Slump test for concrete is carried out, to determine

A. strength B. durability C. workability D. water content.

Answer: Option C

In case of Raymond pile

A. lengths vary from 6 m to 12 m B. diameter of top of piles varies from 40 cm to 60 cm C. diameter of pile at bottom varies from 20 cm to 28 cm D. thickness of outer shell depends upon pile diameter E. all the above.

Answer: Option E

The foundations are placed below ground level, to increase

A. strength B. workability C. stability of structure D. all the above.

Answer: Option C

The loose pockets in soil mass can be bridged safely by providing a raft foundation provided the soft area is smaller than

A. the column spacing B. one-third the column spacing C. half the column spacing D. three-fourth the column spacing E. none of these.

Answer: Option B

The concrete slump recommended for beams and slabs ; is

A. 25 to 50 mm B. 25 to 75 mm C. 30 to 125 mm D. 50 to 100 mm E. none of these.

Answer: Option C

	The entrained concrete is used in lining walls and roofs for making
	A. heat insulated B. sound insulated C. neither (a) nor (b) D. both (a) and (b).

Answer: Option D

For providing a raft foundation, the following activities are involved ramming the foundation bed excavation of the soil upto required depth laying the reinforcement over the foundation bed curing the cement concrete placed over reinforcement pouring the cement concrete over the reinforcement. The correct sequence is

A. 1, 2, 3, 4, 5 B. 5, 4, 3, 2, 1 C. 2, 1, 3, 5, 4 D. 3, 2, 5, 1, 4.

Answer: Option C

During percussion drilling

A. ground water observations are hindered due to entry of the slurry in the soil below the bottom of the hole B. caving or mixing of strata are caused in soft soils or cohesionless soils C. the soil to a considerable depth below the bottom of the hole gets disturbed D. all the above.

Answer: Option D

Raft foundation are generally preferred to when the area required for individual footing, is more than

A. 25% to total area B. 30% of total area C. 40% to total area D. 50% of total area.

Answer: Option D

Pick up the incorrect statement from the following:

A. The retaining wall should be structurally capable to resist the applied earth pressure B. The section of the retaining wall should be so proportioned that it may not overturn by the lateral pressure C. The retaining wall should be safe against sliding D. The foundation of the retaining wall should not be stressed beyond safe bearing capacity ; due to its weight and the force resulting from the earth pressure E. to drain off water from the earth retained, weep holes are provided near the top of the retaining wall.

Answer: Option E

The process of keeping concrete moist for a certain period after its finishing, is known as

A. finishing of concrete B. curing of concrete C. placing of concrete D. compaction of concrete E. none of these.

Answer: Option B

Raft foundations are used for :

A. providing increased area of foundation over poor bearing capacity of soil B. spanning over small soft or loose pockets C. counter acting the hydrostatic effect D. all the above.

Answer: Option D

The foundation which consists of a thick reinforced cement slab covering whole area to support heavy concentrated structural loads, is known as

A. combined footing B. strap footing C. raft footing D. none of these

Answer: Option C

For a wall carrying heavy load on low bearing capacity soil,

A. lean concrete bed is provided B. thick concrete bed is provided C. reinforced concrete bed is provided D. (a) and (c) of the above E. (b) and (c) of the above.

Answer: Option D

The bearing capacity of a water logged soil, may be improved by

A. grouting B. chemical action C. drainage D. compaction.

Answer: Option C

Two columns 50 cm x 50 cm and 60 cm x 60 cm carry 80 tonnes and 120 tonnes of loads respectively. The centre to centre distance between columns is 5.00 metres. The permissible bearing capacity of the soil is 20 t/m2. If the footing is not to project more than 25 cm beyond the outside of the smaller column, pick up the correct design parameters of the footing from the following:

A. distance of C.G. of the loads from the smaller column = 3.00 m B. the length of the foundation slab = 7.00 m C. area of footing slab = 11.00 m2 D. width of the footing = 1.57 m. E. all the above.

Answer: Option E

	The formWork including the props can be removed from beams, only after
	A. 3 day B. 7 days C. 14 days D. 21 days.

Answer: Option C

The concrete slump recommended for foundations, is

A. 25 to 50 mm B. 30 to 125 mm C. 50 to 100 mm D. 75 to 125 mm E. none of these.

Answer: Option C

The construction joints in buildings are provided after

A. 10 m B. 15 m C. 20 m D. 40 m E. 60 m.

Answer: Option D

Pick up the correct statements from the following :

A. cracks appear on the plastered surface in the form of hair cracks B. in brick work, the efflorescence is removed by applying a solution of zinc sulphate and water C. excessive thermal variations in the backing or plaster causes the plaster to fall D. all the above.

Answer: Option D

Pick up the correct statement from the following:

A. Plain cement concrete is equally strong in compression as well as in tension B. Slump test is performed to check concrete strength C. Curing of concrete is done for proper compaction of cement D. Fineness modulus is the index number expressing the relative sizes of both coarse and fine aggregates E. Concrete is a mixture of binding material, coarse aggregate and water.

Answer: Option D

	Pick up the correct statement from the following :
	A. Isolated footing is provided under column to transfer the load safely to soil bed B. column footings may have steps or projections in the concrete base C. heavily loaded column base must be provided steel reinforcement in both directions D. the concrete offset should be at least 15 cm on all sides E. all the above.

Answer: Option E

If h is the difference in level between end points separated by l, then the slope correction is . The second term may be neglected if the value of h in a 20 m distance is less than

A. m B. 1 m C. 2 m D. 3 m

Answer: Option D

The accuracy of measurement in chain surveying, does not depend upon

A. length of the offset B. scale of the plotting C. importance of the features D. general layout of the chain lines.

Answer: Option D

Offsets are measured with an accuracy of 1 in 40. If the point on the paper from both sources of error (due to angular and measurement errors) is not to exceed 0.05 cm on a scale of 1 cm = 20 m, the maximum length of offset should be limited to

A. 14.14 B. 28.28 m C. 200 m D. none of these.

Answer: Option B

Ranging in chain survey means

A. looking at an isolated point not on the line B. establishing an intermediate point on the line C. determining the distance between end points D. determining the offset distance E. none of these

Answer: Option B

	The operation of resection involves the following steps rough orientation of the plane table the three lines form a triangle of error drawing lines back through the three control points select a point in the triangle of error such that each ray is equally rotated either clockwise or anti clockwise the points obtained by three rays is the correct location. The correct sequence is
	A. 1, 3, 2, 4, 5 B. 1, 2, 3, 4, 5 C. 1, 4, 3, 2, 5 D. 1, 3, 2, 4, 5

Answer: Option A

If the length of a transition curve to be introduced between a straight and a circular curve of radius 500 m is 90 m, the maximum perpendicular offset for the transition curve, is

A. 0.70 m B. 1.70 m C. 2.70 m D. 3.70 m E. 4.70 m

Answer: Option C

For quality control of Portland cement, the test essentially done is

A. setting time B. soundness C. tensile strength D. consistency E. all the above.

Answer: Option E

If 1500 g of water is required to have a cement paste 1875 g of normal consistency, the percentage of water is,

A. 20% B. 25% C. 30% D. 35% E. 40%

Answer: Option B

Hydration of cement is due to chemical action of water with

A. Tricalcium silicate and dicalcium silicate B. Dicalcium silicate and tricalcium aluminate C. Tricalcium aluminate and tricalcium alumino ferrite D. All the above.

Answer: Option D

Curing

A. reduces the shrinkage of concrete B. preserves the properties of concrete C. prevents the loss of water by evaporation D. all of the above.

Answer: Option D

Curing a concrete for long period ensures better

A. volume stability B. strength C. water resistance D. water tightness and durability E. all the above.

Answer: Option E

Pick up the correct statement from the following:

A. Insufficient quantity of water makes the concrete mix harsh B. Insufficient quantity of water makes the concrete unworkable C. Excess quantity of water makes the concrete segregated D. Excess quantity of water causes bleeding in concrete E. All the above

Answer: Option E

Workability of concrete is measured by

A. Vicat apparatus test B. Slump test C. Minimum void method D. Talbot Richard test.

Answer: Option B

Shrinkage in concrete can be reduced by using

A. low water cement ratio B. less cement in the concrete C. proper concrete mix D. presaturated aggregates E. all the above.

Answer: Option E

A construction joint is provided where

A. bending moment is small B. shear force is small C. the member is supported by other member D. all the above.

Answer: Option D

Pick up the correct statement from the following:

A. According to the petrological characteristics, concrete aggregates are classified as heavy weight, normal weight and light weight B. According to the shape of the particles, concrete aggregates are classified as rounded irregular, angular and flaky C. According to the surface texture of the particles, the concrete aggregates are classified as glassy, smooth, granular, rough, crystalline, honey combed and porous D. All the above.

Answer: Option D

	Pick up the incorrect statement from the following:
	A. The degree of grinding of cement, is called fineness B. The process of changing cement paste into hard mass, is known as setting of cement C. The phenomenon by virtue of which cement does not allow transmission of sound, is known as soundness of cement D. The heat generated during chemical reaction of cement with water, is known as heat of hydration E. None of these.

Answer: Option C

Permissible compressive strength of M 150 concrete grade is

A. 100 kg/cm2 B. 150 kg/cm2 C. 200 kg/cm2 D. 250 kg/cm2 E. 300 kg/cm2

Answer: Option C

Slump test of concrete is a measure ofits

A. consistency B. compressive strength C. tensile strength D. impact value.

Answer: Option A

Water cement ratio is

A. volume of water to that of cement B. weight of water to that of cement C. weight of concrete to that of water D. volume of concrete to that of water E. both (a) and (b) of the above.

Answer: Option E

Separation of water or water sand cement from a freshly concrete, is known

A. bleeding B. creeping C. segregation D. flooding E. none of these.

Answer: Option A

According to Water-Cement Ratio Law, the strength of workable plastic concrete

A. depends upon the amount of water used in the mix B. does not depend upon the quality of cement mixed with aggregates C. does not depend upon the quanity of cement mixed with aggregates D. all the above

Answer: Option D

High temperature

A. increases the strength of concrete B. decreases the strength of concrete C. has no effect on the strength of concrete D. none of these.

Answer: Option B

Allowable shear strength of concrete, depends upon

A. shear strength B. tensile strength C. compressive strength D. none of these.

Answer: Option A

Workability of concrete mix with low water cement ratio is determined by

A. tensile strength test B. slump test C. compaction factor test D. flexural strength test E. none of these

Answer: Option C

While designing an air entrained concrete

A. water cement ratio is reduced B. proportion of aggregates is reduced C. an allowance for the entrained air is made D. strength of the concrete, is reduced E. all the above

Answer: Option E

Concrete gains strength due to

A. chemical reaction of cement with sand and coarse aggregates B. evaporation of water from concrete C. hydration of cement D. All the above.

Answer: Option C

Expansion joints are provided if the length of concrete structures exceeds

A. 10 m B. 15 m C. 15 m D. 35 m E. 45 m

Answer: Option E

Workability improved by adding

A. fly ash B. hydrated lime C. calcium chloride D. bentonite E. all the above.

Answer: Option E

	If the slump of a concrete mix is 60 mm, its workability is
	A. very low B. low C. medium D. high E. none of these.

Answer: Option C

Pick up the correct statement from the following:

A. Construction joints in columns are provided a few cm below the junction of beam B. Construction joints in columns are provided at the bottom haunching C. Construction joints in beams and slabs are provided within middel third D. Constructionjoints are generally provided in positions subjected to least shear force E. All the above.

Answer: Option E

The shortest distance between two places measured along the surface of the earth, is

A. length of the equator between their longitudes B. length of the parallel between their longitudes C. length of the arc of the great circle passing through them D. none of these.

Answer: Option C

In the cantilever truss as shown in below figure, the horizontal component of the reaction at A, is

A. 30 tonnes B. 60 tonnes C. 90 tonnes D. 120 tonnes E. 150 tonnes.

Answer: Option A

For a simply supported beam with a central load, the bending moment is

A. least at the centre B. least at the supports C. maximum at the supports D. maximum at the centre.

Answer: Option D

A simply supported beam carrying a uniformly distributed load over its whole span, is propped at the centre of the span so that the beam is held to the level of the end supports. The reaction of the prop will be

A. half the distributed load B. 3/8th the distributed load C. 5/8th the distributed load D. distributed load. E. none of these.

Answer: Option C

	The range within which a load can be applied on a rectangular column, to avoid any tensile stress, is
	A. one-half of the base B. one-fifth of the base C. one-fourth of the base D. one-fifth of the base E. one sixth of the base on either side of centroid.

Answer: Option B

The shear stress at any section of a shaft is maximum

A. at the centre of the section B. at a distance r/2 from the centre C. at the top of the surface D. at a distance 3/4 r from the centre E. none of these.

Answer: Option C

The region of the cross-section of a column in which compressive load may be applied without producing any tensile stress, is known as the core of the cross-section. In circular columns the radius of the core, is

A. one-half of the radius B. one-third of the radius C. one-quarter of the radius D. one-fifth of the radius E. one-sixth of the radius.

Answer: Option C

The maximum bending moment due to a moving load on a simply supported beam, occurs

A. at the mid span B. at the supports C. under the load D. anywhere on the beam E. none of these.

Answer: Option C

A simply supported beam of span L carries a uniformly distributed load W. The maximum bending moment M is

A. B. C. D. E.

Answer: Option C

A cantilever beam rectangular in cross-section is subjected to an isolated load at its free end. If the width of the beam is doubled, the deflection of the free end will be changed in the ratio of

A. 8 B. 1/8 C. 1/2 D. 2 E. 3

Answer: Option C

When equal and opposite forces applied to a body, tend to elongate it, the stress so produced, is called

A. shear stress B. compressive stress C. tensile stress D. transverse stress

Answer: Option C

Stress in a beam due to simple bending, is

A. directly proportional B. inversely proportional C. curvilinearly related D. none of these.

Answer: Option A

The bending moment is maximum on a section where shearing force

A. is maximum B. is minimum C. is equal D. changes sign.

Answer: Option D

A district road with a bituminous pavement has a horizontal curve of 1000 m for a design speed of 75 km ph. The super-elevation is

A. 1 in 40 B. 1 in 50 C. 1 in 60 D. 1 in 70 E. none of these.

Answer: Option A

The total length of a valley formed by two gradients - 3% and + 2% curve between the two tangent points to provide a rate of change of centrifugal acceleration 0.6 m/sec2, for a design speed 100 km ph, is

A. 16.0 m B. 42.3 m C. 84.6 m D. none of these

Answer: Option A

The advantage of providing superelevation on roads, is

A. higher speed of vehicles B. increased volume of traffic C. reduced maintenance cost of the roads D. draining off rain water quickly E. all the above.

Answer: Option E

For a vehicle moving with a speed of 80 km per hour, the brake reaction time, in ordinary cases, is

A. 1 sec B. 1.5 sec C. 2.0 sec D. 2.5 sec E. 3.0 sec

Answer: Option D