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Civil Engineering - Structural Design Specifications

Exercise : Structural Design Specifications - Section 3
16.
Pick up the correct statement from the following:
The cover of a longitudinal reinforcing bar in a column is kept not less than the diameter of the bar or 40 mm
The cover of a longitudinal reinforcing bar in beam is kept not less than the diameter of the bar or 25 mm
The end cover of a longitudinal reinforcing bar in a beam is kept not less than twice the diameter or 25 mm
The cover for tensile reinforcement in a slab is kept not less than diameter of the bar or 15 mm
All the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The minimum thickness of the web plate for a crane gantry plate girder with a lifting load exceeding 15 tonnes, is
4 mm
5 mm
6 mm
8 mm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The greater clear dimension of web of thickness't' should not exceed
180 t
200 t
240 t
270 t
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The thickness of the rectangular plate for the cap or base of a solid round steel columns, is calculated from the formula where d is
the reduced diameter of the column
the dimension of the base
the diameter of the base
the diameter of the top.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
For under water concreting.
at least 10 percent more cement is required as compared to dry conditions
the volume of coarse aggregates shall not be less than one and half times and not more than twice that of fine aggregate
the slump should not be less than 100 mm and not more than 180 mm
dewatering by pumping is not done or until 24 hours thereafter
All the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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