Civil Engineering - RCC Structures Design

31. 

The Young's modulus of elasticity of steel, is

A. 150 KN/mm2
B. 200 KN/mm2
C. 250 KN/mm2
D. 275 KN/mm2

Answer: Option B

Explanation:

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32. 

The maximum permissible size of aggregates to be used in casting the ribs of a slab, is

A. 5 mm
B. 7.5 mm
C. 10 mm
D. 15 mm
E. 20 mm

Answer: Option C

Explanation:

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33. 

In a simply supported slab, alternate bars are curtailed at

A. 1/4th of the span
B. 1/5th of the span
C. 1/6th of the span
D. 1/7th of the span
E. none of these.

Answer: Option D

Explanation:

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34. 

The diameter of main bars in R.C.C. columns, shall not be less than

A. 6 mm
B. 8 mm
C. 10 mm
D. 12 mm

Answer: Option D

Explanation:

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35. 

The breadth of a ribbed slab containing two bars must be between

A. 6 cm to 7.5 cm
B. 8 cm to 10 cm
C. 10 cm to 12 cm
D. 12 cm to 15 cm
E. none of these.

Answer: Option B

Explanation:

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