SSC JE Mechanical Engineering 4th March 2017 Shift-1

Instructions

For the following questions answer them individually

Question 71

In arc welding, eyes need to be protected against:-

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Question 72

The main criterion for selection of electrode diameter in arc welding is:-

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Question 73

Open circuit voltage for arc welding is of the order of:-

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Question 74

Which of the following is not a casting defect?

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Question 75

The chief advantage of die casting is:-

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Question 76

For mounting several patterns at a time, which of the following type of pattern is used?

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Question 77

Casting process is preferred for parts having ______.

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Question 78

Holes in parts which have been hardened by heat treatment can be finished to accurate size only by:-

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Question 79

A grinding wheel gets glazed due to:-

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Question 80

Which of the following is the not a natural abrasive?

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