A. zero
B. ±0.2p
C. ± 0.5 p
D. ±0.7p
where p is basic wind pressure
Related Mcqs:
- The internal pressure coefficient on walls for buildings with large permeability is taken as_______________?
A. ± 0.2
B. ±0.5
C. ± 0.7
D. 0 - 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 - 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 relation between intensity of wind pressure p and velocity of wind V is taken as_______________?
A. pa V
B. paV2
C. p a (1/V)
D. paV”2 - Area of openings for buildings of large permeability is more than_________________?
A. 10% of wall area
B. 20% of wall area
C. 30% of wall area
D. 50% of wall area - Normally, the angle of roof truss with asbestos sheets should not be less than_______________?
A. 26’/2°
B. 30°
C. 35°
D. 40° - To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be_______________?
A. 1
B. 2
C. 3
D. 4 - The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is________________?
A. 150
B. 180
C. 250
D. 350 - 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 - 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
