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Engineering Materials

Engineering Materials
Cupola produces following material

Malleable iron
Cast iron
Pig iron
Wrought iron

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Engineering Materials
If a refractory contains high content of silicon, it means refractory is

Brittle
Acidic
Neutral
Basic

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Engineering Materials
The surface hardness of the following order is achieved by nitriding operation

600 VPN
250 VPN
1000 to 1100 VPN
1500 VPN

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Engineering Materials
Closed packed hexagonal space lattice is found in

Gamma-iron, aluminium, copper, lead, silver and nickel
Alpha-iron, tungsten, chromium and molybdenum
None of these
Zinc, magnesium, cobalt, cadmium, antimony and bismuth

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Engineering Materials
Manganese in steel increases its

Ductility
Hardness
Fluidity
Tensile strength

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

Tungsten
Vanadium
Chromium
Nickel

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MORE MCQ ON Engineering Materials

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