Test: Production Engineering- 1


25 Questions MCQ Test Mechanical Engineering SSC JE (Technical) | Test: Production Engineering- 1


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Attempt Test: Production Engineering- 1 | 25 questions in 50 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study Mechanical Engineering SSC JE (Technical) for Mechanical Engineering Exam | Download free PDF with solutions
QUESTION: 1

The co-ordination number for fcc crystal structure is

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QUESTION: 2

For Rhombohedral space lattice which one of the following is correct

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QUESTION: 3

Which of the following is a point imperfection;
1. vacency
2. frenkel defect
3. interstitialcy
4. Schottky defect

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QUESTION: 4

Isothermal annealing is mainly used in alloy steel to improne.

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QUESTION: 5

The process of reheating to reduce brittleness without any significant loss in hardness is

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QUESTION: 6

The main purpose of chaplets is

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QUESTION: 7

Green sand mould indicates that

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QUESTION: 8

Disposable patterns are made of

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QUESTION: 9

The gating ratio 2 : 8 : 1. for copper in gating system refers to the ratio of arae of

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QUESTION: 10

Two streams of liquid metal which are not hot enough to fuse properly result into a casting defect known as :-

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QUESTION: 11

Shell moulding can be used for.

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QUESTION: 12

An expandable pattern is used in

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QUESTION: 13

In which of the following metal moulds are used

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QUESTION: 14

Which of the following is true for centrifugal casting

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QUESTION: 15

If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures, the pressure type of locator used is

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QUESTION: 16

The major difficulty during welding of aluminium is

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QUESTION: 17

The ratio of acetelene to oxygen is approximately _______ for a neutral flame used in gas welding.

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QUESTION: 18

In oxy acetelene gas welding the temperature at the inner core of flame is about

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QUESTION: 19

In are welding, penetration is minimum for

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QUESTION: 20

The coating material of an arc welding electrode contains which of the following
1. Deoxidising agent
2. Arc stabilizing agent
3. Slag forming agent

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QUESTION: 21

Arc Blow is more common in

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QUESTION: 22

 In an inert gas welding, the commonly used gas is

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QUESTION: 23

Which of the following are welding process does not used consumable electrodes.

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QUESTION: 24

In resistance welding, heat is produced due to resistance between

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QUESTION: 25

According to Chvorinov’s equation, the solidification time of a casting is proportional to (V is volume of casting):

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