Building Materials - Section 5 | Multiple Questions and Answers

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Building Materials - Section 5 Multiple Questions and Answers.

6.	Pick up the correct statement from the following:

	A.	The average crushing strength of hand moulded bricks is 6000 t/m2
	B.	The average tensile strength of hand moulded brick is 200 t/m2
	C.	The average shearing strength of hand moulded brick is 600 t/m2
	D.	All the above.

7.	The cracks which extend from bark towards the sap wood in the cross section of a tree, are called

	A.	radial shakes
	B.	star shakes
	C.	heart shakes
	D.	cup shakes.

8.	Sea sand used in structures causes

	A.	dampness
	B.	efflorescence
	C.	disintegration
	D.	All of these.

9.	The compound of Portland cement which reacts immediately with water and also sets first is

	A.	Tri-calcium silicate
	B.	Di-calcium silicate
	C.	Tri-calcium aluminate
	D.	Tetra calcium alumino ferrite.

10.	Refractory bricks resist

	A.	high temperature
	B.	chemical action
	C.	dampness
	D.	all the above.

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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