Building Materials - Section 6 Multiple Questions and Answers.




36.The commonly used base for iron and steel work, is
A. red lead
B. zinc white
C. white lead
D. titanium white.

37.Laterite is found in
A. U.P.
B. Punjab
C. West Bengal
D. Kerala.

38.Lacquer is
A. oil paint
B. distemper
C. spirit varnish
D. none to these.

39.Upto a maximum of 72% of iron, is available in
A. Magnetite
B. Red haemetite
C. Limonite
D. Siderite

40.For lime concrete,
A. slump is 50 to 75 mm
B. flexural strength at 90 days is 0.2 N/mm2
C. compressive strength at 90 days is 1.5 N/mm2
D. all the above.

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