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Engineering Materials

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

0.002
0.01
0.008
0.005

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Engineering Materials
Balls for ball bearings are made of

Stainless steel
Mild steel
Carbon-chrome steel
Cast iron

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Engineering Materials
Which of the following is not the correct method of increasing fatigue limit?

Shot peening
Surface decarburisation
Cold working
Nitriding of surface

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Engineering Materials
The steel widely used for motor car crankshafts is

Nickel steel
Chrome steel
Silicon steel
Nickel-chrome steel

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Engineering Materials
The hardness and tensile strength in austenitic stainless steel can be increased by

Normalizing
Martempering
Hardening and cold working
Full annealing

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Engineering Materials
Cast iron is manufactured in

Cupola
Open hearth furnace
Bessemer converter
Blast furnace

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