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GATE 2023 II Thermodynamics II Rank Booster Quiz 42

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Question 1

The word “Exergy” means _________?

Question 2

What will be the work potential wasted if entropy change of the system and surroundings are -5 KJ/Kg.K and 10 KJ/Kg.K respectively. Given that the surrounding temperature is 300 K

Question 3

100 kJ of energy is transferred from a heat reservoir at 1000 K to a heat reservoir T 500 K. The ambient temperature is 300 K. The loss of available energy due to heat transfer process is

Question 4

Maximum useful work can be represented by

Question 5

Determine the loss in available energy if the 1000W heat flows through the wall whose one side temperature is 400K and other side is at 300K.? Surrounding temperature is 300K.

Question 6

For a steady flow process in a turbine from state 1 to state 2, h₁= 450 kJ/kg, h₂= 150 kJ/kg and entropy changes from s₁= 1.2 kJ/kgK to s₂= 0.8 kJ/kgK. Ambient temperature is 300 K. Find the change in availability (kJ) _________.

Question 7

A Carnot cycle is working between the temperature limits 27⁰C and 327⁰C. Heat supplied through the source is 600kJ. Determine the unavailable energy

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ESE & GATE ME Thermodynamics

Jan 24ESE & GATE ME