1000+ Building Materials Multiple Choice Questions and Answers - 1
Question: 1
Galvanising means covering iron with a thin coat of
(A) coal tar
(B) glaze
(C) tin
(D) zinc
Ans: D
zinc
Question: 2
Brass is an alloy of
(A) zinc and nickel
(B) tin and silver
(C) zinc and lead
(D) copper and zinc
Ans: D
copper and zinc
Question: 3
The silica is used for preparing
(A) lining for glass furnaces
(B) silica bricks
(C) coke oven
(D) all of these
Ans: D
all of these
Question: 4
The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called
(A) twisted fibres
(B) wind cracks
(C) heart shakes
(D) radial shakes
Ans: B
wind cracks
Question: 5
Gypsum is a
(A) chemically precipitated sedimentary rock
(B) igneous rock
(C) metamorphic rock
(D) mechanically formed sedimentary rock
Ans: A
chemically precipitated sedimentary rock
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