Category: Design of Concrete Structures

A. Elastic modulus of high tensile steel is nearly the same as that of mild steel
B. Elastic modulus of high tensile steel is more than that of mild steel
C. Carbon percentage in high carbon steel is less than that in mild steel
D. High tensile steel is cheaper than mild steel

A. 1/3
B. 1/5
C. 1/7
D. 1/10
where 1 is the span

A. one cantilever
B. two cantilevers
C. three cantilevers
D. four cantilevers

A. 50 mm
B. 100 mm
C. 150 mm
D. 200 mm

A. wR / 4d
B. wR/2d
C. wR/d
D. 2wR/d

where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome

A. 10 to 15% more
B. 15 to 20% more
C. 20 to 25% more
D. 25 to 50% more

A. less than 12
B. less than 18
C. between 18 and 24
D. more than 24

1. bottom face near counterfort
2. top face near counterfort
3. bottom face near centre of span
4. top face near centre of span The correct answer is
A. only (1)
B. only (2)
C. both (1) and (4)
D. both (2)and (3)

A. 20 m
B. 30 m
C. 45 m
D. 60 m

A. 0.35 d
B. 0.40 d
C. 0.45 d
D. dependent on grade of concrete also