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Engineering Materials

Engineering Materials
Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons.

Equal to
None of these
Less than
More than

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Engineering Materials
Permalloy is a

Nickel and iron alloy having high permeability
None ferrous alloy
Polymer
Kind of stainless steel

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Engineering Materials
Pig iron is the name given to

Iron containing huge quantities of carbon
Product of blast furnace made by reduction of iron ore
Raw material for blast furnace
Iron in molten form in the ladles

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Engineering Materials
Mild steel belongs to the following category

Medium carbon steel
High carbon steel
Low carbon steel
Alloy steel

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Engineering Materials
Which of the following element results in presence of free graphite in C.I.?

Carbon
Silicon
Sulphur
Manganese

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Engineering Materials
Admiralty gun metal contains

63 to 67% nickel and 30% copper
Iron scrap and zinc
Alloy of tin, lead and cadmium
88% copper, 10% tin and rest zinc

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