Questions and answers for exam Preparation

MCQs

Total Questions : 292 | Page 3 of 30 pages

Question 21. For the proportions

1 : 1.5 the maximum size of aggregates, is 10 mm
1 : 2 the maximum size of aggregates, is 20 mm
1 : 2.5 the maximum size of aggregates, is 40 mm
All the above.

Discuss Question

Answer: Option D. -> All the above.
Answer: (d).All the above.

Question 22. Columns are designed for a minimum eccentricity equal to 1/30 (unsupported length ofthe column), subject to a minimum of

5 mm
10 mm
15 mm
20 mm

Discuss Question

Answer: Option D. -> 20 mm
Answer: (d).20 mm

Question 23. The minimum area of cross section of reinforcement in either direction of a slab should not be less than ...... of the slab cross section

0.75%
0.10%
0.15%
0.20%

Discuss Question

Answer: Option C. -> 0.15%
Answer: (c).0.15%

Question 24. If fck is the characteristic cube strength of concrete in N/mm², the modulus of elasticity of structural concrete Ec = a√fck where the value of a, is

5900
5800
5700
5600

Discuss Question

Answer: Option C. -> 5700
Answer: (c).5700

Question 25. The effective depth of a shallow beam is the distance between

maximum compression and tension fibres
neutral axis and maximum compression fibre
neutral axis and maximum tension fibre
maximum compression fibre and the centroid of the tension reinforcement

Discuss Question

Answer: Option D. -> maximum compression fibre and the centroid of the tension reinforcement
Answer: (d).maximum compression fibre and the centroid of the tension reinforcement

Question 26. Pick up the correct statement from the following:

The effective span of a simply supported beam is clear span plus its effective depth or centre to centre of supports whichever is less
The effective span of a simply supported slab is clear span plus its effective depth or centre to centre of supports whichever is less
The effective span of a continuous beam or slab is the clear span plus its effective depth or centre to centre of supports whichever is less, provided the width of the support is less than 1/2 of clear span
All the above.

Discuss Question

Answer: Option D. -> All the above.
Answer: (d).All the above.

Question 27. Pick up the correct statement for the web stiffeners.

vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d
d is the distance between flange angles or the clear distance between flanges
for horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange
all the above.

Discuss Question

Answer: Option D. -> all the above.
Answer: (d).all the above.

Question 28. The pitch of transverse reinforcement of a column is taken as

least lateral diamension of the compression member
sixteen times the smallest diameter of the longitudinal reinforcement of the column
forty eight times the diameter of the transverse reinforcement
least value of the above.

Discuss Question

Answer: Option D. -> least value of the above.
Answer: (d).least value of the above.

Question 29. The structure which is subjected to an imposed load after 72 hours for a period of 24 hours, is deemed to be unacceptable if it fails to recover the net deflection less than

Discuss Question

Answer: Option C. -> 80%
Answer: (c).80%

Question 30. The pH value of water to be used in concrete shall generally be