Civil Engineering Mcqs

If Sb, is the average bond stress on a bar of diameter subjected to maximum stress , the length of the embedment is given by_____________?

(A) l = dt/Sb
(B) l = dt/2Sb
(C) l = dt/3Sb
(D) l = dt/4Sb

Submitted By :Ali Uppal

The minimum cube strength of concrete used for a pre-stressed member, is________________?

(A) 50 kg/cm2
(B) 150 kg/cm 2
(C) 250 kg/cm2
(D) 350 kg/cm2

Submitted By :Ali Uppal

The amount of reinforcement for main bars in a slab, is based upon___________________?

(A) Minimum bending moment
(B) Maximum bending moment
(C) Maximum shear force
(D) Minimum shear force

Submitted By :Ali Uppal

A simply supported beam 6 m long and of effective depth 50 cm, carries a uniformly distributed load 2400 kg/m including its self weight. If the lever arm factor is 0.85 and permissible tensile stress of steel is 1400 kg/cm2, the area of steel required, is___________________?

(A) 14 cm 2
(B) 15 cm2
(C) 16 cm2
(D) 17 cm2

Submitted By :Ali Uppal

Pick up the incorrect statement from the following?

(A) In the stem of a retaining wall, reinforcement is provided near the earth side
(B) In the toe slab of a retaining wall, reinforcement is provided at the bottom of the slab
(C) In the heel slab of a retaining wall, reinforcement is provided at the top of the slab
(D) None of these

Submitted By :Ali Uppal

In a simply supported slab, alternate bars are curtailed at________________?

(A) 1/4th of the span
(B) 1/5th of the span
(C) 1/6th of the span
(D) 1/7th of the span

Submitted By :Ali Uppal

If the modular ratio is , steel ratio is and overall depth of a beam is , the depth of the critical neutral axis of the beam, is___________________?

(A) [m/(m – r)] d
(B) [m/(m + r)] d
(C) [(m + r)/ m] d
(D) [(r – m)/m] d

Submitted By :Ali Uppal

For a number of columns constructed in a rcjw, the type of foundation provided, is_______________?

(A) Footing
(B) Raft
(C) Strap
(D) Strip

Submitted By :Ali Uppal

As the percentage of steel increases________________?

(A) Depth of neutral axis decreases
(B) Depth of neutral axis increases
(C) Lever arm increases
(D) Lever arm decreases

Submitted By :Ali Uppal

The length of lap in tension reinforcement should not be less than the bar diameter × (actual tension / four times the permissible average bond stress) if it is more than_______________?

(A) 18 bar diameters
(B) 24 bar diameters
(C) 30 bar diameters
(D) 36 bar diameters

Submitted By :Ali Uppal