Explore topic-wise MCQs in Engineering.

Which of the following has a very high carbide forming tendency in steels ?

The most distinguished property of malleable cast iron is its high

Corrosion resisting properties of cast iron are significantly improved by the addition of 12 - 15% of

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

Nickel as a material of construction

__________ moulding process can not be used for thermoplastic plastics.

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

'Semi steel' is

Tin coating on metals is not done by

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

Pick out the wrong statement

18/8 stainless steel means, that it contains

Glass is corroded by

Iron alloyed with carbon upto 2% is called

Duriron is

Cast iron detachable joint is used in __________ pipes.

Generally __________ are subjected to galvanising (i.e., zinc coating).

When the steel is subjected to normalising, its __________ decreases.

Brinell Hardness Number (BHN) for talc is approximately in the range of

Dies for wire drawing are generally made of

Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of

A material no longer behaves elastically beyond

Which of the following contains maximum percentage of carbon ?

Silicon percentage in acid resistant cast iron is about

Concentrated HCl at 30 C can be stored in a vessel made of

Which of the following stainless steels is non-magnetic ?

A magnetic material becomes __________ above the Curie temperature.

Which of the following is not a non-ferrous alloy ?

Dilute sulphuric acid is transported in __________ pipes.

__________ alloys have the highest specific strength of all the structural materials out of the following.

100% H₂SO₄ at 30 C can't be stored in a vessel made/lined with

Carbon content in plain carbon steel is __________ percent.

Duralumin is an alloy of

The ability of a material to offer resistance to scratching or indentation is a measure of its

Tempering of steel is done to make it

Which of the following is the most elastic material ?

Water gas generator is made of

The digester of a Gobar gas plant is a

Brine (15% concentration) can be stored in a vessel made of

The most commonly used resin for making reinforced plastic is

Most suitable material for high pressure vessel operating at 500 atm. and 500 C is

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

Bush bearings are made of

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

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

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

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

Chilled iron castings are

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

Very high sulphur in pig iron makes