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71.

The damp-proof course

A.	may be horizontal or vertical	B.	should be continuous
C.	should be good impervious material	D.	all of these

72.

Which of the following statement is correct?

A.	The cavity should start near the ground level.	B.	The cavity should terminate near eaves level in case of sloping roof.
C.	The cavity should terminate near coping in case of flat roof with parapet wall.	D.	all of the above

73.

The damp-proof course for the two leaves of the cavity wall is laid separately although at the same level.

Correct

Incorrect

74.

The cavity wall is generally provided for

A.	preventing dampness	B.	heat insulation
C.	sound insulation

75.

In horizontal D.P.C. at plinth level, the thickness of cement concrete of 1 : 2 : 4 mix, is kept as minimum of 400 mm.

Correct

Incorrect

76.

A flexible material used for D.P.C. is

A.	bitumen sheeting	B.	plastic sheeting
C.	mastic asphalt	D.	cement concrete

77.

The construction of a temporary structure required to support an unsafe structure, is called

A.	underpinning	B.	scaffolding
C.	shoring	D.	jacking

78.

A temporary rigid structure having platforms raised up as the building increases in height, is called

A.	underpinning	B.	scaffolding
C.	shoring	D.	jacking

79.

The arrangement of supports provided underneath the existing structure without disturbing its stability, is known as

A.	underpinning	B.	scaffolding
C.	shoring	D.	jacking

80.

A raking shore is a system of

A.	giving temporary lateral support to an unsafe wall	B.	providing temporary support to the party walls of two buildings where the intermediate building is to be pulled down and rebuilt
C.	providing vertical support to walls and roofs, floors etc. when the lower part of a wall has to be removed for the purpose of providing an opening in the wall	D.	all of the above