66.

67.

68.

69.

70.

71.

72.

73.

What is the minimum stripping period to remove the prop of a beam of span 5.8 m as per
IS 456-2000 is

(^) 12 days (B) 14 days
(0) 7 १8४8 (1) 11011 of above

What is the minimum tension reinforcement in mm? for a beam having effective depth
415 mm and width 300 mm. Use M20 concrete and Fe 415 steel

(^) 300 (B) 415
(C) 255 (D) 150
The modulus of Elasticity of M25 Concrete may be taken as ‏لل‎ N/mm:?.
(A) 25000 (B) 20000
(C) 28500 (D) 30000

Torsional reinforcement is required at the corners of rectangular slab whose edges are :

(A) continuous ൯) discontinuous

(C) free (D) curved
Normally structures exceeding ‏م‎ in length are designed with one or more
expansion joints as per IS 456-2000.

(¢^) 25 (B) 35

(C) 45 (D) 60
The value of development length should be taken as ‏ب‎ times the bar diameter if
M20 concrete and Fe 415 steel is used.

(A) 57 (B) 37

(C) 47 (1) ௩௦௦ of above

The maximum spacing of shear reinforcement measured along the axis of the member shall

not exceed ‏لل‎ for vertical stirrups (त is the effective depth of the member)
(A) 0.75 प्‌ (B) 0.58
(൧ 08 (D) 1.0१

When a concrete is subjected to uniform compression as in the case of a concentrically loaded
short column, the ultimate strain is limited to 0.002 and corresponding design stress is

(A) 0.87 fax 0) 0.447 fox
(© fac 0) 0.67 fx

085/2022 14 A