Building Materials - Section 6 | Multiple Questions and Answers

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Building Materials - Section 6 Multiple Questions and Answers.

31.	The most valuable timber may be obtained from

	A.	chir
	B.	shisham
	C.	sal
	D.	teak.

32.	Pick up the correct statement from the following:

	A.	Blisters in the finished wrought iron, are caused due to the reaction between oxide of iron and carbon
	B.	The edges of a finished wrought iron, are rough due to red shortage
	C.	Pig iron (charcoal) is manufactured from magnetic ore (Fe3O4)
	D.	All the above.

33.	Pick up the compound responsible for early strength of cement from the following:

	A.	Tetra-calcium alumino-ferrite
	B.	Tricalcium silicate
	C.	Tricalcium aluminate
	D.	Dicalcium silicate.

34.	Mastic asphalt is

	A.	acid resisting material
	B.	non-corrosive material
	C.	corrosive material
	D.	heating-resisting material.

35.	Which one of the following is used for preparing porcelain

	A.	clay
	B.	feldspar
	C.	quartz
	D.	All of 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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