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Engineering Materials

Engineering Materials
Shock resistance of steel is increased by adding

Chromium
Nickel and chromium
Sulphur, lead and phosphorus
Nickel

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Engineering Materials
Compressive strength of grey cast iron in tonnes/cm is of the order of

1015
710
57
35

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Engineering Materials
Machining properties of steel are improved by adding

Silicon, aluminium, titanium
Vanadium, aluminium
Chromium, nickel
Sulphur, lead, phosphorous

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Engineering Materials
The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is

Vanadium
Chromium
Cobalt
Nickel

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Engineering Materials
Shock resisting steels should have

Low wear resistance
Low tensile strength
Toughness
Low hardness

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Engineering Materials
The crystal structure of brass is

Orthorhombic crystalline structure
F.C.C.
C.C.
H.C.P.

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