Q.1.

The material of construction of pressure mills used for squeezing out the juice from sugar cane is

Q.2.

__________ is used for examining the macro-structure of a material.

Q.3.

Out of the following, copper vessels are the most suitable for the storage of

Q.4.

Pick out the wrong statement.

Q.5.

Ability of a material to absorb energy in deformation in the plastic range is characterised as its

Q.6.

Silicon percentage in iron castings to have maximum hardness should be about

Q.7.

Corrosion resisting properties of cast iron are significantly improved by the addition of-of

Q.8.

Muntz metal is a/an alloys of

Q.9.

Which of the following is a low melting point metal ?

Q.10.

Monel alloy is

Q.11.

Nickel as a material of construction

Q.12.

Pick out the wrong statement

Q.13.

Rotary kilns in cement industry are lined with____bricks.

Q.14.

Trough of an apron conveyor is made of

Q.15.

Pick out the wrong statement.

Q.16.

Tin coating on metals is not done by

Q.17.

Amount of energy that a material can absorb before its fracture is a measure of its

Q.18.

Molybdenum steels containing 0.to 0.molybdenum

Q.19.

Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the __________ stress.

Q.20.

Carbon is present in the combined form (carbide) in case of

Q.21.

__________ moulding process can not be used for thermoplastic plastics.

Q.22.

Duriron is

Q.23.

Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is __________ percent.

Q.24.

Which of the following finds the least commercial use ?

Q.25.

Which of the following is the most widely used insulating material for steam carray-ing pipelines ?

Q.26.

Gun metal is an alloy of

Q.27.

The softest material just next to talc in the Mho's scale is

Q.28.

18/8 stainless steel means, that it contains

Q.29.

Anodic material used for the cathodic protection of underground buried steel pipeline is

Q.30.

Bush bearings are made of

Q.31.

Kel-F is a material, which is

Q.32.

Which of the following is the hardest material ?

Q.33.

Chilled iron castings are

Q.34.

Which of the following crystal structures characterises the ferritic stainless steel ?

Q.35.

'Semi steel' is

Q.36.

Pick out the correct statement.

Q.37.

Which of the following will have the highest melting point ?

Q.38.

Graphite is a good

Q.39.

Phenol is not shipped in

Q.40.

Carbon content in steel is __________ percent.

Q.41.

Aqueous nitric acid is stored in

Q.42.

Glass is corroded by

Q.43.

Alinco, which is a aluminium-cobalt-nickel steel, is used for making

Q.44.

Slow plastic deformation of metals under a constant stress is termed as __________ failure.

Q.45.

Which of the following material of construction may be recommended by a chemical engineer for handling a gaseous chlorine (dry or wet) stream in a fluid flow system ?

Q.46.

Biological shield in a nuclear power reactor is made of

Q.47.

A hardness depth of about 3 mm can be achieved by induction hardness in __________ seconds.

Q.48.

Presence of nitrogen in steel

Q.49.

Ceramic materials

Q.50.

Which of the following is the easiest to bend?