MCQs

Civil Engineering MCQs with Explanations

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2941Civil EngineeringMedium

A force P of 50 N and another force Q of unknown magnitude act at 90° to each other. They are balanced by a force of 130 N. The magnitude of Q is________?

A100 N

B60 N

C120 N

D80 N

Correct answer

C. 120 N

Explanation

The correct answer is 120 N.

2942Civil EngineeringMedium

The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone________?

Ashear stress

Bbond stress

Ctensile stress

Dcompressive stress

Correct answer

B. bond stress

Explanation

The correct answer is bond stress.

2943Civil EngineeringMedium

A portion of an embankment having a uniform up-gradient 1 in 500 is circular with radius 1000 m of the centre line. It subtends 180° at the centre. If the height of the bank is 1 m at the lower end, and side slopes 2:1, the earth work involved?

A26,000 m3

B26,500 m3

C27,500 m3

D27,000 m3

Correct answer

C. 27,500 m3

Explanation

The correct answer is 27,500 m3.

2944Civil EngineeringMedium

If ‘A’ is the angle formed by two gauge faces, the crossing number will be________?

Acot A

Btan A

Csec A

DArad

Correct answer

A. cot A

Explanation

The correct answer is cot A.

2945Civil EngineeringMedium

Dead weight tonnage of a ship________?

Ai) and ii) are correct

Bi) and iii) are correct

COnly iii) is correct

Dii) and iii) are correct

Correct answer

B. i) and iii) are correct

Explanation

The correct answer is i) and iii) are correct.

2946Civil EngineeringMedium

In sewers the highest non-scouring velocity is achieved in________?

AStone ware sewers

BGlazed bricks sewers

CCement concrete sewers

DCast iron sewers

Correct answer

B. Glazed bricks sewers

Explanation

The correct answer is Glazed bricks sewers.

2947Civil EngineeringMedium

An artesian aquifer is the one where________?

Anone of the above

Bwater is under pressure between two impervious strata

Cwater table serves as upper surface of zone of saturation

Dwater surface under the ground is at atmospheric pressure

Correct answer

B. water is under pressure between two impervious strata

Explanation

The correct answer is water is under pressure between two impervious strata.

2948Civil EngineeringMedium

Ultimate strength of cold drawn high steel wires________?

Aincreases with increase in diameter of bar

Bdoes not depend on diameter of bar

Cnone of the above

Ddecreases with increase in diameter of bar

Correct answer

D. decreases with increase in diameter of bar

Explanation

The correct answer is decreases with increase in diameter of bar.

2949Civil EngineeringMedium

The amount of coagulant needed for coagulation of water increases with________?

A(2) and (3)

B(2) and (4)

C(1)and (4)

D(1) and (2)

Correct answer

C. (1)and (4)

Explanation

The correct answer is (1)and (4).

2950Civil EngineeringMedium

A balloon lifting in air follows the following principle________?

Alaw of gravitation

Bprinciple of buoyancy

Ccontinuity equation

Dall of the above

EArchimedes principle

Correct answer

D. all of the above

Explanation

The correct answer is all of the above.

An artesian aquifer is the one where________?

Anone of the above

Bwater is under pressure between two impervious strata

Cwater table serves as upper surface of zone of saturation

Dwater surface under the ground is at atmospheric pressure

Correct answer

B. water is under pressure between two impervious strata

Explanation

The correct answer is water is under pressure between two impervious strata.