Index number expressing the relative sizes of both coarse and fine aggregates, is called

Diesel index.(an alternative index for expressing the quality of diesel) is

A

Determined by using a test engine

B

Not related to aniline point

C

Equal to cetane number plus 3

D

All of the above

For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is

A

dry rolling, wet rolling, application of screening and application of filler

B

dry rolling, application of filler, wet rolling and application of screening

C

dry rolling, application of screening, wet rolling and application of filler

D

dry rolling, application of screening, application of filler and wet rolling

Which of the following represents a carpet of sand-bitumen mix without coarse aggregates ?

A

mastic asphalt

B

sheet asphalt

C

bituminous carpet

D

bituminous concrete

Which of the following terminology is not used for size reduction of materials to fine sizes or powders?

A

Comminution

B

Dispersion

C

Pulverisation

D

Compression

For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as

A

dry of OMC and wet of OMC

B

wet of OMC and dry of OMC

C

wet of OMC and wet of OMC

D

dry of OMC and dry of OMC where OMC is optimum moisture content

__________ are used for the separation of coarse particles from a slurry of fine particles.

A

Thickeners

B

Classifiers

C

Hydrocyclones

D

Decanters

Which functional feeding groups are involved in the process of in-stream physical breakdown of coarse material into fine particulate organic matter?

A

Collector filterers

B

Shredders

C

Grazers

D

Collector gatherers

A song expressing grief is called-

A

Ballad

B

Elegy

C

Hymn

D

Dirge

Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres.

A

Acrylic

B

Polyester

C

Nylon 6:6

D

Polypropylene

In each of the following questions, out of the four alternative, choose the one which can be substituted for the given words/sentence : A formal composition or speech expressing high praise of somebody---

A

elegy

B

eulogy

C

caricature

D

exaggeration

Index number expressing the relative sizes of both coarse and fine aggregates, is called

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