SSC JE Mechanical Engineering 22nd Jan 2018 Shift-1

Instructions

For the following questions answer them individually

Question 151

_______ does not certain tin as an alloying element.

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Question 152

Under microscope ferrite appears as

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Question 153

_______ structure is obtained by austempering process of heat treatment.

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Question 154

Preheating is essential in welding

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Question 155

The melting point is the lowest for

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Question 156

_______ is commonly used for making household utensils.

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Question 157

Ball bearings are generally made up of

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Question 158

______ has high tendency to get work hardened.

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Question 159

______ is the hardest known material

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Question 160

______ is obtained by isothermal hardening operation.

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