ISRO Scientist or Engineer Mechanical 2010

Instructions

For the following questions answer them individually

Question 31

Hardness of steel depends on

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Question 32

The modulus of $$1 + \cos \alpha + i \sin \alpha$$ is

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Question 33

Hardnes of martensite is about

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Question 34

Materials after cold working are subjected to following process to relieve stresses

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Question 35

In drop forging the forging is done by

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Question 36

Which of the machine tools can be used for boring
1. Lathe
2. Drilling machine
3. Vertical milling machine
4. Horizontal milling machine

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Question 37

The vernier reading should not be taken at its face value before an actual check has been taken for

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Question 38

High carbon steel carries carbon percentage of

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Question 39

In order to measure/detect materials by non-destructive testing the method generally used is

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Question 40

Shock resisting steels should have

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