For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than_______________?
(A) 15 mm
(B) 25 mm
(C) 30 mm
(D) 40 mm
The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than________________?
(A) 0.15
(B) 0.12
(C) 0.30
(D) 1.00
The ratio of the diameter of reinforcing bars and the slab thickness is_______________?
(A) 1/4
(B) 1/5
(C) 1/6
(D) 1/8
The minimum cover in a slab should neither be less than the diameter of bar nor less than_______________?
(A) 10 mm
(B) 15 mm
(C) 25 mm
(D) 13 mm
According to IS : 456- 1978, minimum slenderness ratio for a short column is_______________?
(A) less than 12
(B) less than 18
(C) between 18 and 24
(D) more than 24
For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be________________?
(A) 600 mm
(B) 750 mm
(C) 900 mm
(D) more than 1 m
A higher modular ratio shows____________?
(A) higher compressive strength of con-crete
(B) lower compressive strength of concrete
(C) higher tensile strength of steel
(D) lower tensile strength of steel
Maximum distance between expansion joints in structures as per IS : 456 – 1978 is________________?
(A) 20 m
(B) 30 m
(C) 45 m
(D) 60 m
The average permissible stress in bond for plain bars in tension is_______________?
(A) increased by 10% for bars in compression
(B) increased by 25% for bars in compression
(C) decreased by 10% for bars in compression
(D) decreased by 25% for bars in compression
Critical section for shear in case of flat slabs is at a distance of_______________?
(A) effective depth of slab from periphery of column/drop panel
(B) d/2 from periphery of column/capital/ drop panel
(C) at the drop panel of slab
(D) at the periphery of column