Building Materials - Section 3 Multiple Questions and Answers.




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.

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).

18.Bituminous fells are used for
A. covering A.C. sheets
B. covering sloping roofs
C. D.P.C.
D. none to these.

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

20.Stuco paints are suitable for
A. stone masonry
B. brick walls
C. both (a) and (b)
D. neither (a) nor (b).

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