Civil Engineering - Building Materials

16. 

Pick up the correct statement from the following:

A. Solder material is an alloy which melts at a temperature above 400°C
B. Brazing is done at temperature above 600°C to 1100°C
C. Brazing joint is stronger than the solder joint
D. all the above.

Answer: Option D

Explanation:

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17. 

Lime concrete is generally used for

A. wall foundations
B. flooring at ground level
C. both (a) and (b)
D. neither (a) nor (b).

Answer: Option B

Explanation:

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18. 

Bituminous fells are used for

A. covering A.C. sheets
B. covering sloping roofs
C. D.P.C.
D. none to these.

Answer: Option A

Explanation:

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19. 

The minimum compressive strength of Ilnd class bricks should be

A. 75 kg/cm2
B. 90 kg/cm2
C. 100 kg/cm2
D. 120 kg/cm2
E. 150 kg/cm2.

Answer: Option A

Explanation:

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20. 

Stuco paints are suitable for

A. stone masonry
B. brick walls
C. both (a) and (b)
D. neither (a) nor (b).

Answer: Option C

Explanation:

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