Civil Engineering - Building Construction

26. 

The entrained concrete is used in lining walls and roofs for making

A. heat insulated
B. sound insulated
C. neither (a) nor (b)
D. both (a) and (b).

Answer: Option D

Explanation:

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27. 

The pile which is provided with a bulb filled with concrete at its lower end, is known as

A. Simplex pile
B. Mac-Arthur pile
C. Raymond pile
D. Franki pile
E. none of these.

Answer: Option B

Explanation:

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28. 

In case of multi-storeyed buildings, the forms to be removed first are

A. sides of beams and girders
B. column forms
C. bottom of beams and girders
D. all the above at the same time.

Answer: Option A

Explanation:

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29. 

For providing a raft foundation, the following activities are involved

  1. ramming the foundation bed
  2. excavation of the soil upto required depth
  3. laying the reinforcement over the foundation bed
  4. curing the cement concrete placed over reinforcement
  5. pouring the cement concrete over the reinforcement.

The correct sequence is

A. 1, 2, 3, 4, 5
B. 5, 4, 3, 2, 1
C. 2, 1, 3, 5, 4
D. 3, 2, 5, 1, 4.

Answer: Option C

Explanation:

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30. 

The maximum permissible deflection of a timber beam supporting a roof, is

A. L/100
B. L/150
C. L/260
D. L/360
E. none of these.

Answer: Option D

Explanation:

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