MCQs

Civil Engineering MCQs with Explanations

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2241Civil EngineeringMedium

The screens are fixed________?

AParallel to the direction of flow

BAt an angle 30° to 60° to the direction of flow

CNone of these

DPerpendicular to the direction of flow

Correct answer

B. At an angle 30° to 60° to the direction of flow

Explanation

The correct answer is At an angle 30° to 60° to the direction of flow.

2242Civil EngineeringMedium

The correct relation between curve lead (CL), switch lead (SL) and lead of cros¬sing (L) is given by________?

AL =CL-SL

BSL = L + CL

CL = (CL+SL)/2

DCL = L – SL

Correct answer

A. L =CL-SL

Explanation

The correct answer is L =CL-SL.

2243Civil EngineeringMedium

The coagulant which is generally not used for treating the sewage, is________?

AFerric sulphate

BChlorinated copperas

CAlum

DFerric chloride

Correct answer

C. Alum

Explanation

The correct answer is Alum.

2244Civil EngineeringMedium

The drainage water intercepting the canal can be disposed of by passing the canal below the drainage in________?

Aaqueduct and super passage

Bsuper passage and canal syphon

Clevel crossing

Daqueduct and syphon aqueduct

Correct answer

B. super passage and canal syphon

Explanation

The correct answer is super passage and canal syphon.

2245Civil EngineeringMedium

Center of gravity of a solid cone lies on the axis at the height________?

Anone of the above

Bone-fourth of the total height above base

Cone-half of the total height above base

Dthree-eighth of the total height above the base

Eone-third of the total height above base

Correct answer

B. one-fourth of the total height above base

Explanation

The correct answer is one-fourth of the total height above base.

2246Civil EngineeringMedium

For supersonic transport aircraft, the minimum turning radius of taxiway is________?

A240 m

B120 m

C60 m

D180 m

Correct answer

D. 180 m

Explanation

The correct answer is 180 m.

2247Civil EngineeringMedium

The units of moment of inertia of an area are________?

Akg m2

Bm3

Cm4

Dkg/m4

Correct answer

C. m4

Explanation

The correct answer is m4.

2248Civil EngineeringMedium

running partially full with central angle, For a circular sewer of diameter________?

AAll the above

Bd/D = 1⁄2 (1 – –

Cr/R = [1 –

Da/A

Correct answer

A. All the above

Explanation

The correct answer is All the above.

2249Civil EngineeringMedium

Runway threshold is indicated by a series of parallel lines starting from a distance of________?

A10 m from runway end

B3 m from runway end

C15m from runway end

D6 m from runway end

Correct answer

D. 6 m from runway end

Explanation

The correct answer is 6 m from runway end.

2250Civil EngineeringMedium

If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is________?

ASquare

BRectangular

CTriangular

DTrapezoidal

Correct answer

B. Rectangular

Explanation

The correct answer is Rectangular.

Center of gravity of a solid cone lies on the axis at the height________?

Anone of the above

Bone-fourth of the total height above base

Cone-half of the total height above base

Dthree-eighth of the total height above the base

Eone-third of the total height above base

Correct answer

B. one-fourth of the total height above base

Explanation

The correct answer is one-fourth of the total height above base.