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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
Basic constituents of Monel metal are

Nickel, lead and tin
Nickel, copper
Zinc, tin, lead
Nickel, molybdenum

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Engineering Materials
Shock resistance of steel is increased by adding

Sulphur, lead and phosphorus
Chromium
Nickel
Nickel and chromium

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Engineering Materials
Which of the following property is desirable in parts subjected to shock and impact loads?

Stiffness
Brittleness
Toughness
Strength

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Engineering Materials
Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio

30 : 20 : 30 : 20
40 : 30 : 20 : 10
50 : 20 : 20 : 10
50 : 20 : 10 : 20

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Engineering Materials
Heavy duty leaf and coil springs contain carbon of the following order

0.01
0.005
0.002
0.008

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