Engineering :: Concrete Technology

@ : Home > Civil Engineering > Concrete Technology

101.

According to IS : 383 - 1970, a good a aggregate for concrete construction should be

A.	chemically inert	B.	sufficiently strong
C.	sufficiently hard and durable	D.	all of these

102.

For reinforced concrete, the aggregate used is

A.	sand	B.	gravel
C.	crushed rock	D.	all of these

103.

For the manufacture of concrete of low density, the aggregate used is

A.	furnace clinker	B.	coke breeze
C.	saw dust	D.	all of these

104.

The material having particle size varying from 0.002 to 0.06 mm is termed as

A.	silt	B.	clay
C.	sand	D.	none of these

105.

An aggregate is said to be

A.	coarse	B.	fine
C.	cyclopean

106.

The aggregate which pass through 75 mm IS sieve and entirely retain on 4.75 mm IS sieve is known as

A.	cyclopean aggregate	B.	coarse aggregate
C.	fine aggregate	D.	all-in-aggregate

107.

The maximum particle size of coarse aggregate is

A.	45 mm	B.	55 mm
C.	65 mm	D.	75 mm

108.

The maximum particle size of fine aggregate is

A.	2.5 mm	B.	4.75 mm
C.	5.85 mm	D.	6.5 mm

109.

The aggregate which pass through 4.75 mm IS sieve and entirely retain on 75 micron IS sieve is called

A.	cyclopean aggregate	B.	coarse aggregate
C.	fine aggregate	D.	all-in-aggregate

110.

The minimum particle size of coarse aggregate is

A.	2.5 mm	B.	4.75 mm
C.	5.85 mm	D.	6.5 mm