Structural Design Specifications - Section 1 (4)

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Structural Design Specifications - Section 1

You will get many problematic MCQs related to
structural design specification and you can solve these to test your aptitude in this field.

25.

For the plain reinforcing bars in compression, the permissible design bond stress in tension, is increased by

A.	10%
B.	15%
C.	20%
D.	25%
E.	30%

Answer: Option D

Explanation:

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26.

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

Answer: Option D

Explanation:

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27.

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

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

Answer: Option A

Explanation:

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28.

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°

Answer: Option E

Explanation:

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29.

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.

Answer: Option C

Explanation:

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30.

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)

Answer: Option C

Explanation:

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31.

Pick up the correct statement regarding columns.

A.	The cross sectional area of longitudinal reinforcement, should not be less than 0.8% nor more than 4% of its gross sectional area
B.	The minimum of longitudinal bars provided in rectangular and circular columns are 4 and 6 respectively
C.	In helically reinforced column, the minimum number of longitudinal reinforcement should be six
D.	If the effective length of a column is less than three times its lateral dimension, it is generally called a pedestal
E.	All the above.

Answer: Option E

Explanation:

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32.

The maximum deflection of a structure should not normally exceed lesser of the span/350 or

A.	10 mm
B.	15 mm
C.	20 mm
D.	25 mm

Answer: Option C

Explanation:

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