MCQs

Civil Engineering MCQs with Explanations

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2441Civil EngineeringMedium

Bottom openings 15 cm × 15 cm in the standing baffle wall are provided________?

A30 cm c/c

B50 cm c/c

C22.5 cm c/c

D15 cm c/c

Correct answer

C. 22.5 cm c/c

Explanation

The correct answer is 22.5 cm c/c.

2442Civil EngineeringMedium

Which one of the following attributes is not associated with digital maps________?

ALegends

BSymbology

CSouth arrow

DColour

Correct answer

C. South arrow

Explanation

The correct answer is South arrow.

2443Civil EngineeringMedium

For the upstream face of an earthen dam, the most adverse condition for stability of slope is________?

Aduring construction

Bsteady seepage

Csloughing of slope

Dsudden drawdown

Correct answer

D. sudden drawdown

Explanation

The correct answer is sudden drawdown.

2444Civil EngineeringMedium

The most dangerous pollutant in vehicular emissions is________?

ASO2

BCO2

CCO

DO3

Correct answer

C. CO

Explanation

The correct answer is CO.

2445Civil EngineeringMedium

Which of the following errors cannot be eliminated by taking both face observations?

Aerror due to non-parallelism of the axis of telescope level and line of collimation

Bnone of the above

Cerror due to horizontal axis not being perpendicular to the vertical axis

Dindex error i.e. error due to imperfect adjustment of the vertical circle vernier

Correct answer

B. none of the above

Explanation

The correct answer is none of the above.

2446Civil EngineeringMedium

Bulking of sand is maximum if moisture content is about________?

A4%

B6%

C10%

D2 %

Correct answer

A. 4%

Explanation

The correct answer is 4%.

2447Civil EngineeringMedium

When a wave strikes a vertical breakwater in deep water, it is reflected back and on meeting another advancing wave of similar amplitude merges and rises vertically in a wall of water. This phenomenon is called________?

AFetch

BClapotis

CSwell

DSurf

Correct answer

B. Clapotis

Explanation

The correct answer is Clapotis.

2448Civil EngineeringMedium

The buoyancy depends on________?

Adepth of immersion

Bpressure of the liquid displaced

Cmass of liquid displaced

Dviscosity of the liquid

Enone of the above.

Correct answer

C. mass of liquid displaced

Explanation

The correct answer is mass of liquid displaced.

2449Civil EngineeringMedium

What is the present worth of a P500 annuity starting at the end of the third year and continuing to the end of the fourth year, if the annual interest rate is 10 %?

AP 717.17

BP 727.17

CP 731.17

DP 714.71

Correct answer

A. P 717.17

Explanation

The correct answer is P 717.17.

2450Civil EngineeringMedium

Assertion A : Airport capacity during IFR conditions is usually less than that during VFR conditions. Reason R: During clear weather condition (VFR), the aircrafts on final approach to runway can be spaced closer during poor visibility conditions?

AA is true but R is false

BA is false but R is true

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

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

Correct answer

C. Both A and R are true and R is the correct explanation of A

Explanation

The correct answer is Both A and R are true and R is the correct explanation of A.

Which of the following errors cannot be eliminated by taking both face observations?

Aerror due to non-parallelism of the axis of telescope level and line of collimation

Bnone of the above

Cerror due to horizontal axis not being perpendicular to the vertical axis

Dindex error i.e. error due to imperfect adjustment of the vertical circle vernier

Correct answer

B. none of the above

Explanation

The correct answer is none of the above.

Assertion A : Airport capacity during IFR conditions is usually less than that during VFR conditions. Reason R: During clear weather condition (VFR), the aircrafts on final approach to runway can be spaced closer during poor visibility conditions?

AA is true but R is false

BA is false but R is true

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

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

Correct answer

C. Both A and R are true and R is the correct explanation of A

Explanation

The correct answer is Both A and R are true and R is the correct explanation of A.