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Engineering Materials

Engineering Materials
Depth of hardness of steel is increased by addition of

Nickel
Chromium
Vanadium
Tungsten

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Engineering Materials
Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements?

Phosphor bronze
Nichrome
Babbitt metal
Monel metal

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Engineering Materials
The ratio of the volume occupied by the atoms to the total volume of the unit cell is called

None of these
Space lattice
Coordination number
Atomic packing factor

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Engineering Materials
Basic solution is one which has pH value

Equal to 7
pH value has nothing to do with basic solution
Greater than 7
Less than 7

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Engineering Materials
Age hardening is related to

Copper
Brass
Silver
Duralumin

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Engineering Materials
White metal contains

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

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