In the virtual work method, the virtual quantity is_________________?
(A) displacement
(B) load
(C) slope
(D) moment
For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as__________________?
(A) zero
(B) ±0.2p
(C) ± 0.5 p
(D) ±0.7p where p is basic wind pressure
The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as_______________?
(A) 0.65 kN/m2
(B) 0.75 kN/m2
(C) 1.35 kN/m2
(D) 1.50 kN/m2
The basic wind speed is specified at a height ‘h’ above mean ground level in an open terrain. The value of’h’ is__________________?
(A) 10 m
(B) 20 m
(C) 25 m
(D) 50 m
The external wind pressure acting on a roof depends on__________________?
(A) degree of permeability of roof
(B) slope of roof
(C) both (A) and (B)
(D) none of the above
As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into_____________________?
(A) 4 zones
(B) 5 zones
(C) 6 zones
(D) 7 zones
Minimum pitch provided in riveted steel tanks is________________?
(A) 1.5 d
(B) 2.0 d
(C) 2.5 d
(D) 3.0 d
Steel tanks are mainly designed for_______________________?
(A) weight of tank
(B) wind pressure
(C) water pressure
(D) earthquake forces
The capacity of the smallest pressed steel tank is__________________?
(A) 1000 litre
(B) 1650 litre
(C) 1950 litre
(D) 2450 litre
The diameter of base of conical flare of a steel stack is_____________________?
(A) less than d
(B) equal to d
(C) more than d
(D) any of the above