Building Materials - Section 6 | Multiple Questions and Answers

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Building Materials - Section 6 Multiple Questions and Answers.

1.	Pick up the correct statement from the following:

	A.	The percentage of absorption for firebricks varies from 5 to 10
	B.	The percentage of silica in silica bricks is to the extent of about 95 to 97 percent
	C.	Roughly 1 to 2 percent of lime in silica bricks is added to act as binding material
	D.	All the above.

2.	Spirit varnish generally consists of

	A.	oil, wax and resin
	B.	alcohol, wax and turpentine
	C.	pigment and synthetic resin
	D.	spirit and shellac

3.	Pick up the correct statement from the following:

	A.	Roasting is not necessary if iron ore is an oxide
	B.	Impurities float on the molten iron as slag
	C.	The slag contains lime about 45%
	D.	All the above.

4.	The tendency of a stone is, to split along:

	A.	texture
	B.	fracture
	C.	cleavage
	D.	structure

5.	Acrylic is the name of

	A.	cellulose resin
	B.	alkyd resin
	C.	methyl metha crylate
	D.	cumarone-indene.

Read More :

» Building Materials - Section 1

» Building Materials - Section 2

» Building Materials - Section 3

» Building Materials - Section 4

» Building Materials - Section 5

» Building Materials - Section 6

» Building Materials - Section 7

» Building Materials - Section 8

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