Building Materials - Section 7 Multiple Questions and Answers.




36.The steel used for the manufacture of rails, is
A. Bessemer steel
B. mild steel
C. cast steel
D. stainless steel.

37.Slump test for concrete is carried out, to determine
A. strength
B. durability
C. workability
D. water content.

38.Basalt is
A. sedimentary rock
B. metamorphic rock
C. extrusive igneous rock
D. intrusive igneous rock.

39.The frog of a brick is normally made on its
A. top face
B. bottom face
C. longer face
D. shorter side.

40.The most important constituent of an oil paint, is
A. thinner
B. vehicle
C. pigment
D. all the above.

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