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Civil Engineering MCQs with Explanations

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61Civil EngineeringMedium

Period of cleaning of slow sand filters is about________?

A1-2 year

B10-12 days

C2-3 months

D24 – 48 hours

Correct answer

C. 2-3 months

Explanation

The correct answer is 2-3 months.

62Civil EngineeringMedium

A bond without any security behind them except a promise to pay by the issuing corporation is called ________?

ATrust bond

BDebenture bond

CCommon bond

DJoint bond

Correct answer

B. Debenture bond

Explanation

The correct answer is Debenture bond.

63Civil EngineeringMedium

The difference of pressure between the inside and outside of a liquid drop is________?

Ap = 2T/r

Bp = T/2r

Cp = T/r

Dnone of the above

Ep = Txr

Correct answer

A. p = 2T/r

Explanation

The correct answer is p = 2T/r.

64Civil EngineeringMedium

Forces are called coplanar when all of them acting on body lie in________?

Aone point

Bone plane

Cdifferent points

Dperpendicular planes

Edifferent planes

Correct answer

B. one plane

Explanation

The correct answer is one plane.

65Civil EngineeringMedium

In which of the following directions, the strength of timber is maximum?

A45° to grains

Bperpendicular to grains

Cparallel to grains

Dsame in all directions

Correct answer

C. parallel to grains

Explanation

The correct answer is parallel to grains.

66Civil EngineeringMedium

Gypsum is a________?

Achemically precipitated sedimentary rock

Bigneous rock

Cmetamorphic rock

Dmechanically formed sedimentary rock

Correct answer

A. chemically precipitated sedimentary rock

Explanation

The correct answer is chemically precipitated sedimentary rock.

67Civil EngineeringMedium

In the triaxial compression test, the application of additional axial stress (i.e. deviator stress) on the soil specimen produces shear stress on________?

Ahorizontal plane only

Bboth horizontal and vertical planes

Call planes except horizontal and vertical planes

Dvertical plane only

Correct answer

C. all planes except horizontal and vertical planes

Explanation

The correct answer is all planes except horizontal and vertical planes.

68Civil EngineeringMedium

House connections to the laterals is generally made by________?

AGlazed stonewares

BR.C.C.

CP.C.C.

DCast iron

Correct answer

A. Glazed stonewares

Explanation

The correct answer is Glazed stonewares.

69Civil EngineeringMedium

At points and crossings, the total number of sleepers for 1 in 12 turnouts in Broad Gauge is________?

A51

B62

C78

D70

Correct answer

D. 70

Explanation

The correct answer is 70.

70Civil EngineeringMedium

Assertion A : Normally turpentine oil is recommended as thinner for indoor painting. Reason R : Turpentine oil is costlier than other thinners. Select your answer according to the coding system given below?

ABoth A and R are true but R is not the correct explanation of A

BA is false but R is true

CBoth A and R are true and R is the correct explanation of A

DA is true but R is false

Correct answer

A. Both A and R are true but R is not the correct explanation of A

Explanation

The correct answer is Both A and R are true but R is not the correct explanation of A.

Assertion A : Normally turpentine oil is recommended as thinner for indoor painting. Reason R : Turpentine oil is costlier than other thinners. Select your answer according to the coding system given below?

ABoth A and R are true but R is not the correct explanation of A

BA is false but R is true

CBoth A and R are true and R is the correct explanation of A

DA is true but R is false

Correct answer

A. Both A and R are true but R is not the correct explanation of A

Explanation

The correct answer is Both A and R are true but R is not the correct explanation of A.