Building Materials - Section 4 Multiple Questions and Answers.




1.Mastic asphalt is normally used for
A. sound insulation
B. water proofing
C. fire proofing
D. none to these.

2.Lime stone is not a
A. sedimentary rock
B. stratified rock
C. aqueous rock
D. metamorphic rock.

3.The size of modular bricks, is
A. 10 x 10 x 9 cm
B. 19 x 9 x 9 cm
C. 22.5 x 10 x 8.5 cm
D. 22.5 x 8.0 x 9 cm.

4.A piece of timber whose thickness and width are respectively 5 cm and 10 cm is called
A. slate
B. plank
C. board
D. strip.

5.Pig iron is manufactured from the ores by
A. dressing
B. calcination and roasting
C. smelting
D. all the above.

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