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Civil Engineering MCQs with Explanations

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481Civil EngineeringMedium

On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be________?

Azero at its upper end

Bperpendicular to the wall at its upper end

Cdownwards at its upper end

Dupwards at its upper end

Enone of the above

Correct answer

A. zero at its upper end

Explanation

The correct answer is zero at its upper end.

482Civil EngineeringMedium

Co-efficient of wind resistance of a circular surface, is________?

A2/3

B3/2

C1/2

D1/3

Correct answer

A. 2/3

Explanation

The correct answer is 2/3.

483Civil EngineeringMedium

The damp proof course (D.P.C.) is measured in________?

ACub. m

BMetres

CNone of these

DSq. m

Correct answer

D. Sq. m

Explanation

The correct answer is Sq. m.

484Civil EngineeringMedium

While estimating a reinforced cement structure, the omitted cover of concrete is assumed________?

AIn thin slabs, 12 mm minimum or diameter of the bar whichever is more

BAt the end of reinforcing bar, not less than 25 mm or twice the diameter of the bar

CAll the above

DFor reinforcing longitudinal bar in a beam 25 mm minimum or diameter of the largest bar which is more

Correct answer

C. All the above

Explanation

The correct answer is All the above.

485Civil EngineeringMedium

The horizontal component of force on a curved surface is equal to the________?

Aproduct of pressure intensity at its centroid and area

Bweight of liquid vertically above the curved surface

Cforce on the horizontal projection of the curved surface

Dforce on a vertical projection of the curved surface

Correct answer

D. force on a vertical projection of the curved surface

Explanation

The correct answer is force on a vertical projection of the curved surface.

486Civil EngineeringMedium

Infiltration capacity________?

Ais a constant factor

Bchanges with both time and location

Cchanges with time

Dchanges with location

Correct answer

B. changes with both time and location

Explanation

The correct answer is changes with both time and location.

487Civil EngineeringMedium

Which of the following angles can be set out with the help of French cross staff?

Aany angle

Beither 45° or 90°

C45° only

D90° only

Correct answer

B. either 45° or 90°

Explanation

The correct answer is either 45° or 90°.

488Civil EngineeringMedium

Which of the following is an example of failure in flexible pavements?

AMud pumping

BWarping cracks

CAlligator cracking

DShrinkage cracks

Correct answer

C. Alligator cracking

Explanation

The correct answer is Alligator cracking.

489Civil EngineeringMedium

For designing the dock, the proportion of ship load assumed to be borne by keel blocks is________?

A3/8

B3/16

C5/16

D5/8

Correct answer

D. 5/8

Explanation

The correct answer is 5/8.

490Civil EngineeringMedium

The code based GPS receivers are generally used for________?

ALand navigation

BVehicle tracking

CAll of these

DTrans movement

Correct answer

C. All of these

Explanation

The correct answer is All of these.

While estimating a reinforced cement structure, the omitted cover of concrete is assumed________?

AIn thin slabs, 12 mm minimum or diameter of the bar whichever is more

BAt the end of reinforcing bar, not less than 25 mm or twice the diameter of the bar

CAll the above

DFor reinforcing longitudinal bar in a beam 25 mm minimum or diameter of the largest bar which is more

Correct answer

C. All the above

Explanation

The correct answer is All the above.

The horizontal component of force on a curved surface is equal to the________?

Aproduct of pressure intensity at its centroid and area

Bweight of liquid vertically above the curved surface

Cforce on the horizontal projection of the curved surface

Dforce on a vertical projection of the curved surface

Correct answer

D. force on a vertical projection of the curved surface

Explanation

The correct answer is force on a vertical projection of the curved surface.