MCQs

Civil Engineering MCQs with Explanations

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701Civil EngineeringMedium

According to IS classification, the range of silt size particles is________?

A0.425 mm to 0.075 mm

B2.00 mm to 0.425 mm

C0.075 mm to 0.002 mm

D4.75 mm to 2.00 mm

Correct answer

C. 0.075 mm to 0.002 mm

Explanation

The correct answer is 0.075 mm to 0.002 mm.

702Civil EngineeringMedium

Valid range for S, the degree of saturation of soil in percentage is________?

A0<S<100

BS>0

Correct answer

A. 0<S<100

Explanation

The correct answer is 0<S<100.

703Civil EngineeringMedium

To generate the j the column of the flexibility matrix________?

Aa unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates

Ba unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates

Ca unit force is applied at coordinate j and the displacements are calculated at all coordinates

Da unit force is applied at coordinate j and the forces are calculated at all coordinates

Correct answer

C. a unit force is applied at coordinate j and the displacements are calculated at all coordinates

Explanation

The correct answer is a unit force is applied at coordinate j and the displacements are calculated at all coordinates.

704Civil EngineeringMedium

According to IS : 456-1978, the cblumn or the strut is the member whose effective length is greater than________?

A2 times the least lateral dimension

Bthe least lateral dimension

C3 times the least lateral dimension

D4 times the least lateral dimension

Correct answer

C. 3 times the least lateral dimension

Explanation

The correct answer is 3 times the least lateral dimension.

705Civil EngineeringMedium

The maximum degree of curvature for Meter Gauge is limited to________?

A30°

B40°

C10°

D16°

Correct answer

D. 16°

Explanation

The correct answer is 16°.

706Civil EngineeringMedium

For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is________?

A0.25 L

B0.234 L

C0.211 L

D0.5 L

Correct answer

C. 0.211 L

Explanation

The correct answer is 0.211 L.

707Civil EngineeringMedium

The eccentricity (e) of a hollow circular column, external diameter 25 cm, internal diameter 15 cm for an eccentric load 100 t for non-development of tension, is________?

A3.50 cm

B2.75 cm

C3.00 cm

D4.25 cm

Correct answer

D. 4.25 cm

Explanation

The correct answer is 4.25 cm.

708Civil EngineeringMedium

Whenever an activity has zero total float, then________?

Afree float and independent float both must be zero

Bindependent float must be zero but free float need not be zero

Cfree float of the activity must be zero but independent float need not be zero

Dfree float and independent float both need not be zero

Correct answer

A. free float and independent float both must be zero

Explanation

The correct answer is free float and independent float both must be zero.

709Civil EngineeringMedium

The minimum width of clearway is________?

A100 m

B50 m

C250 m

D150 m

Correct answer

D. 150 m

Explanation

The correct answer is 150 m.

710Civil EngineeringMedium

a uniform circular bar of diameter d and length, which extends by an The deflection of amount under a tensile pull, when it carries the same load at its mid-span, is________?

Ae2l2/3d2

Be2l/3d2

Cel/2d

Del2/3d2

Correct answer

D. el2/3d2

Explanation

The correct answer is el2/3d2.

To generate the j the column of the flexibility matrix________?

Aa unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates

Ba unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates

Ca unit force is applied at coordinate j and the displacements are calculated at all coordinates

Da unit force is applied at coordinate j and the forces are calculated at all coordinates

Correct answer

C. a unit force is applied at coordinate j and the displacements are calculated at all coordinates

Explanation

The correct answer is a unit force is applied at coordinate j and the displacements are calculated at all coordinates.

Whenever an activity has zero total float, then________?

Afree float and independent float both must be zero

Bindependent float must be zero but free float need not be zero

Cfree float of the activity must be zero but independent float need not be zero

Dfree float and independent float both need not be zero

Correct answer

A. free float and independent float both must be zero

Explanation

The correct answer is free float and independent float both must be zero.