ISRO Scientist or Engineer Mechanical 2008

Instructions

For the following questions answer them individually

ISRO Scientist or Engineer Mechanical 2008 - Question 1


The ultimate tensile strength and yield strength of most of the metals, when temperature falls from $$0$$ to $$-150^\circ C$$ will

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ISRO Scientist or Engineer Mechanical 2008 - Question 2


“Troosite” is obtained when

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ISRO Scientist or Engineer Mechanical 2008 - Question 3


Induction hardening is the process of

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ISRO Scientist or Engineer Mechanical 2008 - Question 4


Heavy water is used in atomic powerplants as

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ISRO Scientist or Engineer Mechanical 2008 - Question 5


Which one is not the purpose of heat treatmentof steels?

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ISRO Scientist or Engineer Mechanical 2008 - Question 6


A cold chisel is made of

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ISRO Scientist or Engineer Mechanical 2008 - Question 7


A body which is permanently deformedis said to have undergone

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ISRO Scientist or Engineer Mechanical 2008 - Question 8


The defect responsible for the phenomenaofslip, by which most metals deform plastically, is known as

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ISRO Scientist or Engineer Mechanical 2008 - Question 9


With a punch for which the maximum crushingstress is 4 times the maximum shearing stress of the plate, the biggest hole that can be punchedin the plate would be of diameter equal to

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ISRO Scientist or Engineer Mechanical 2008 - Question 10


For traction applications, the type of motor best suited is

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