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Materials and Construction

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

Ferroalloys
All of these
Steel
Pig iron

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Materials and Construction
Carbon content in steel is __________ percent.

0.001-0.01
0.1-2
43927
43865

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Materials and Construction
Presence of silicon in steel

Indicates that steel is not deoxidised properly
None of these
Decreases the blow holes formation tendency in castings
Is in the form of free Si

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Materials and Construction
An alloy of iron containing 4% carbon is called

None of these
High carbon steel
Wrought iron
Mild steel

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Materials and Construction
Constituents of stellite are

Zinc, copper and nickel
Nickel, cobalt and vanadium
Cobalt, chromium and tungsten
Zinc, aluminium and nickel

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Materials and Construction
Fermenter used in the production of pen-cillin by deep fermentation proces is a __________ lined steel vessel

Glass
Nickel
Rubber
Monel

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