MCQs

Civil Engineering MCQs with Explanations

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2731Civil EngineeringMedium

The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are________?

A2 and 5

B2 and V6

Cnone of the above

D3 and 1 kg

EV5andV5

Correct answer

E. V5andV5

Explanation

The correct answer is V5andV5.

2732Civil EngineeringMedium

In a colar beam roof________?

Athere is a horizontal tie at the feet of rafters only

Bthere are two horizontal ties, one at the feet and other at the middle of the rafters

Cthere is a horizontal tie at almost the middle of rafters only

Dthere is no horizontal tie beam

Correct answer

C. there is a horizontal tie at almost the middle of rafters only

Explanation

The correct answer is there is a horizontal tie at almost the middle of rafters only.

2733Civil EngineeringMedium

Gypsum consists of________?

ACaS04 and H20

BC02 and calcium

CH2S and C02

DLime and H20

Correct answer

A. CaS04 and H20

Explanation

The correct answer is CaS04 and H20.

2734Civil EngineeringMedium

Examine the following statements ________?

A(1) and(4)

B(2) and (4)

C(2) and (3)

D(1) and (3)

Correct answer

A. (1) and(4)

Explanation

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

2735Civil EngineeringMedium

The algebraic sum of moments of the forces forming couple about any point in their plane is________?

Anone of the above

Bequal to the moment of the couple

Cconstant

Dboth of above are correct

Eboth of above are wrong

Correct answer

B. equal to the moment of the couple

Explanation

The correct answer is equal to the moment of the couple.

2736Civil EngineeringMedium

In prestressed concrete________?

Aforces of tension and compression change but lever arm remains unchanged

Bboth forces of tension and compres-sion as well as lever arm remain unchanged

Cforces of tension and compressions remain unchanged but lever arm changes with the moment

Dboth forces of tension and compres-sion as well as lever arm change

Correct answer

C. forces of tension and compressions remain unchanged but lever arm changes with the moment

Explanation

The correct answer is forces of tension and compressions remain unchanged but lever arm changes with the moment.

2737Civil EngineeringMedium

Berms are provided in canals if these are________?

AFully in excavation

BFully in embankment

CAll the above

DPartly in excavation and partly in embankment

Correct answer

D. Partly in excavation and partly in embankment

Explanation

The correct answer is Partly in excavation and partly in embankment.

2738Civil EngineeringMedium

The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, are________?

A(1), (2) and (3)

B(1), (2) and (4)

COnly (2)

D(1), (2), (3) and (4)

Correct answer

C. Only (2)

Explanation

The correct answer is Only (2).

2739Civil EngineeringMedium

Principle of similitude forms the basis of________?

Acomparing two identical equipments

Bcomparing similarity between design and actual equipment

Cperforming acceptance tests

Dhydraulic designs

Edesigning models so that the result can be converted to prototypes

Correct answer

E. designing models so that the result can be converted to prototypes

Explanation

The correct answer is designing models so that the result can be converted to prototypes.

2740Civil EngineeringMedium

What method is often used in municipal project evaluations where benefits and costs accrue to different segments of the community?

AAnnual cost method

BRate of return method

CEUAC

DBenefit-cost ratio

Correct answer

D. Benefit-cost ratio

Explanation

The correct answer is Benefit-cost ratio.

In a colar beam roof________?

Athere is a horizontal tie at the feet of rafters only

Bthere are two horizontal ties, one at the feet and other at the middle of the rafters

Cthere is a horizontal tie at almost the middle of rafters only

Dthere is no horizontal tie beam

Correct answer

C. there is a horizontal tie at almost the middle of rafters only

Explanation

The correct answer is there is a horizontal tie at almost the middle of rafters only.

In prestressed concrete________?

Aforces of tension and compression change but lever arm remains unchanged

Bboth forces of tension and compres-sion as well as lever arm remain unchanged

Cforces of tension and compressions remain unchanged but lever arm changes with the moment

Dboth forces of tension and compres-sion as well as lever arm change

Correct answer

C. forces of tension and compressions remain unchanged but lever arm changes with the moment

Explanation

The correct answer is forces of tension and compressions remain unchanged but lever arm changes with the moment.

Principle of similitude forms the basis of________?

Acomparing two identical equipments

Bcomparing similarity between design and actual equipment

Cperforming acceptance tests

Dhydraulic designs

Edesigning models so that the result can be converted to prototypes

Correct answer

E. designing models so that the result can be converted to prototypes

Explanation

The correct answer is designing models so that the result can be converted to prototypes.