# Civil Engineering - Structural Design Specifications

### Exercise :: Structural Design Specifications - Section 1

21.

For heavily reinforced concrete member, the nominal maximum size of the aggregates should be restricted to

 A. 5 mm less than the minimum clear distance between the main bars B. 5 mm less than the minimum cover to the reinforcement C. smaller of (a) and (b) D. greater of (a) and (b)

Explanation:

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22.

The minimum pitch i.e., the distance between centres of rivet holes is not less than

 A. 1.5 times the hole diameter B. 2.0 times the hole diameter C. 2.5 times the hole diameter D. 3.0 times the hole diameter E. None of these.

Explanation:

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23.

Dispersion of load through the flange to web is considered as dispersed uniformly at an angle θ° is

 A. 10° B. 15° C. 20° D. 25° E. 30°

Explanation:

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24.

The grade of concrete generally not used in the reinforced concrete, is

 A. M 10 B. M 15 C. M 20 D. M 40

Explanation:

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25.

The outstand of stiffeners should be (where t is the thickness of flat).

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