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GATE ME 2021: Thermodynamics and Applications Rapid Quiz 2

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Question 1

The Mollier diagram of a pure substance is a

Question 2

Air is flowing steadily through a thermally insulated duct. The pressure and temperature of the air measured at two different stations are as follows:

Considering air as an ideal gas, the direction of flow of air in the duct is ____.

Question 3

For same maximum pressure, Temperature & heat rejection, correct sequence of efficiency is

Question 4

A steam plant has the boiler efficiency of 82%, turbine efficiency (mechanical) of 84%, generator efficiency of 85%. If 6% of the generated power is used to run the auxiliaries, the overall plant efficiency is ___________.

Question 5

A solar collector having an area of 80 m² receives solar radiation and transforms it to the internal energy of fluid at an overall efficiency (η) of 50%. Now this high energy fluid is supplied to a heat engine having an efficiency of 40%. If the heat rejected to sink is 30kW. Then power developed by the engine (in kW) and irradiation to solar collector (in kw/m²) respectively are __________.

Question 6

When two systems are in thermal equilibrium with a third system, they are in thermal equilibrium with each other, this law is known as

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ESE & GATE ME Thermodynamics

Dec 7ESE & GATE ME