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Mechanical J.E Quiz-21 (App update required to attempt this test)

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Question 1

Pearlite is a mixture of _____.

Question 2

Which one of the fluid upon mixing will results in increase in viscosity.

Question 3

In order to determine the convection problems, which of the following equations is used?

Question 4

Heat exchanger is a device that is used to transfer thermal energy between ______.

Question 5

Middle part of three box mould is known as

Question 6

A heat engine working in a cycle exchanges heat and work within the cycle. It performs two work interactions: 30kJ to the fluid and 60kJ from the fluid and three heat interaction out of which only two are known 80kJ to the fluid and 45kJ from the fluid. Find the magnitude and direction of third heat transfer.

Question 7

Which one of the following statement is correct for a superheated vapour?

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