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MP Sub-Engineer ME: Second Law of Thermodynamics Quiz 3
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Question 1
Kelvin Planck’s law deals with the ____________.
Question 2
Two Sources are 1 and 2 supplies energy respectively at the rate of 11500 kJ/min at 350 °C & 115000 kJ/min at 85 °C. What source would supply energy to an ideal reversible heat engine that is to produce large amount of power if the temp of the surroundings is 32 °C?
Question 3
A 800-MW steam power plant, which is cooled by a nearby river, has a thermal efficiency of 40% Rate of heat transfer to the river water is _______ MW.
Question 4
A Carnot engine discharges 3kJ of heat into low temperature reservoir for every 2kJ of work output. If sink temperature is 27 °C then the value of source temperature is
Question 5
Two Carnot engines work in series between the sources and sink temperatures of 600 K and 400 K respectively and both engines develop equal power.The intermediate temperature (in K) is ____.
Question 6
Which of the following is true with relative to basic thermodynamics?
Question 7
Which of the following kind of devices complies with Clausius statement?
Question 8
Which Thermodynamics law predicts correctly, about the feasibility/directionality of the process __________?
Question 9
Isentropic flow is __________.
Question 10
If the COP of Carnot refrigerator is 4, then the thermal efficiency of the Carnot engine would be __________.
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