ISRO Scientist or Engineer Mechanical 2010

Instructions

For the following questions answer them individually

ISRO Scientist or Engineer Mechanical 2010 - Question 31


Hardness of steel depends on

ISRO Scientist or Engineer Mechanical 2010 - Question 32


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

ISRO Scientist or Engineer Mechanical 2010 - Question 33


Hardnes of martensite is about

ISRO Scientist or Engineer Mechanical 2010 - Question 34


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

ISRO Scientist or Engineer Mechanical 2010 - Question 35


In drop forging the forging is done by

ISRO Scientist or Engineer Mechanical 2010 - 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

ISRO Scientist or Engineer Mechanical 2010 - Question 37


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

ISRO Scientist or Engineer Mechanical 2010 - Question 38


High carbon steel carries carbon percentage of

ISRO Scientist or Engineer Mechanical 2010 - Question 39


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

ISRO Scientist or Engineer Mechanical 2010 - Question 40


Shock resisting steels should have

cracku

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