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Materials and Construction

Materials and Construction
Ball bearings are generally made of

Plain carbon steel
Malleable cast iron
Chrome carbon steel
Stainless steel

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Materials and Construction
__________ steel is widely used for the manufacture of motor car crankshafts.

Chrome
High speed
Silicon
Nickel

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Materials and Construction
Alpha iron is stable __________ °C.

Upto 910
Above 1403
Above 1800
Between 910 & 1403

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Materials and Construction
Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the

Ultimate tensile strength (U.T.S.)
Elastic limit
None of these
Endurance limit

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Materials and Construction
Nitriding of steel is a process for

Annealing
Case hardening
Spheroidising
Normalising

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Materials and Construction
Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower

Price
Thermal conductivity
Corrosion resistance
Abundant availability

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MORE MCQ ON Materials and Construction

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