Civil Engineering - Building Construction

11. 

The strength of brick masonry in 1:6 cement mortar, is

A. 20 tonnes/m2
B. 40 tonnes/m2
C. 50 tonnes/m2
D. 60 tonnes/m2
E. 75 tonnes/m2.

Answer: Option C

Explanation:

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12. 

The dimensions of a half queen closer, are

A. 9 cm x 9 cm x 9 cm
B. 9 cm x 9 cm x 4.5 cm
C. 9 cm x 4.5 cm x 9 cm
D. 1.8 cm x 4.5 cm x 9 cm.

Answer: Option C

Explanation:

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13. 

In case of foundations on sandy soil, maximum permissible differential settlement, is usually limited to

A. 15 mm
B. 25 mm
C. 35 mm
D. 45 mm
E. 55 mm.

Answer: Option B

Explanation:

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14. 

For heavy embankments and dams, of height h, the depth of exploration of soil should not be less than

A. h/4
B. 1/2 h
C. h
D. 2 h.

Answer: Option D

Explanation:

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15. 

For different layers of cement concrete floor. Pick up the incorrect statement from the following :

A. The lowest layer consists of consolidated ground
B. A 10 cm thick clean sand is laid on consolidated ground
C. A 10 cm lime concrete (1 : 4 : 8) is laid on clean sand
D. A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer.

Answer: Option D

Explanation:

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