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Engineering Materials

Engineering Materials
The transistor is made of

Germanium
Copper
Silver
Gold

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Engineering Materials
Maximum percentage of carbon in austenite is

0.008
0.00025
0.0026
0.017

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Engineering Materials
Age-hardening is related with

Stainless steel
Duralumin
Gun metal
German silver

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Engineering Materials
Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities?

Silicon
Phosphorus
Sulphur
Manganese

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Engineering Materials
Large forgings, crank shafts, axles normally contain carbon up to

0.20 to 0.45%
0.05 to 0.20%
0.45 to 0.55%
0.55 to 1.0%

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Engineering Materials
Induction hardening is the process of

Hardening surface of work-piece to obtain hard and wear resistant surface
Heating and cooling rapidly
Inducing hardness by continuous process
Increasing hardness throughout

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MORE MCQ ON Engineering Materials

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