Building Materials - Section 3 | Multiple Questions and Answers

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Building Materials - Section 3 Multiple Questions and Answers.

31.	Pick up correct statement from the following:

	A.	Fibre boards are used for thermal and acoustic control
	B.	Fibre boards are used for light weight standing members
	C.	Fibre boards are obtained by impregnating a resin product on fibres
	D.	all the above.

32.	Quartzite, a metamorphic stone is

	A.	hard
	B.	brittle
	C.	crystalline
	D.	compact

33.	Pick up the correct statement from the following:

	A.	Plastics have generally low melting point
	B.	The coefficient of thermal expansion of plastics is about three times than that of steel
	C.	The acoustical boards prepared by impregnating fibre-glass with phenolic resins has absorption coefficient of about 0.67
	D.	All the above.

34.	Dextrin is

	A.	animal glue
	B.	starch glue
	C.	albumin glue
	D.	rubber based adhesive

35.	Formula for quick lime, is

	A.	CaCO3
	B.	CaO
	C.	CO3CO2
	D.	none to these.

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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