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DMRC 2018 Mechanical Engineering Quiz 7

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Question 1

According to Kelvin-Plank’s statement, a perpetual motion machine of ______.

Question 2

Bernoulli’s theorem deals with the conservation of

Question 3

All the failure theories give nearly the same result _________.

Question 4

Different types of flow have different velocity distribution. Thus the turbulent layer follows which of the following law;

Question 5

Which of the following statements is INCORRECT?

Question 6

If the ratio G/E (G = modulus of rigidity, E = young’s modulus of elasticity) is 0.35 then what is the value of the poission’s ratio ?

Question 7

The below fig. shows a flow meter, it is _________ .

Question 8

The case hardening of gear components of machine tools is done by

Question 9

A streamline and an equipotential line in a flow field

Question 10

Critical damping is a function of ___________.

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Dec 31ESE & GATE ME