63.

64.

65.

66.

67.

68.

69.

70.

71.

Modulus of rigidity of structural steel irrespective of its grade may be taken as:
(A) 7.69 x 105 MPa (8) 0769 x 105 N/m?
(C) 0.769 x 10? kKN/m? (D) 7.69 x 10° kKN/m?

Minimum grade of concrete that has to be used for post tensioned concrete structures

(A) M20 (B) M30 (C) M25 (D) M40
Which of the following is not a time dependent loss in pre-stressed concrete system ?
(^) Creep (B) Relaxation

(0) Shrinkage (D) Elastic shortening

The external wind pressure acting on a roof depends on
(^) Permeability of Roof (B) Slope of roof
(ಲ) Both (A) & (8) (D) None of the above

Angle of inclination to axis of member for lacing bars shall not be less than

(A) 30° (B) 40° (C) 60° (D) 70°
Lacing and Battens are designed to take care of

(A) Bending moment (B) Compression

(C) Bearing (D) Shear force

Maximum effective slenderness ratio for compression flanges of beam subjected to
lateral torsional buckling 15
(^) 180 (B)

In beams designed for seismic detailing criteria, the tension steel ratio on any face
shall not be less than
[= (B) 0.36 fe

fy

250 (൭ 300 (D) 350

(A) 0.24
7

(C) 0.66 fe
7

Consider the singly reinforced beam shown in the figure below : At cross-section XX,
which of the following statement is TRUE at the Limit State ?
7 7

(D) None of these

ह ‏ا جا‎ L/2 L

The variation of stress is linear and that of strain is non-linear
The variation of strain is linear and that of stress is non-linear
The variation of both stress and strain is linear

The variation of both stress and strain is non-linear

11

002022

[P.T.O.]