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NEET 2020 Physics: Thermodynamics - 04 Quiz (08.12.2019)
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Question 1
The temperatures of source and sink of a heat engine are 127o C and 27o C respectively. An inventor claims its efficiency to be 26% then:
Question 2
The efficiency of Carnot engine is 50% and temperature of sink is 500 K. If the temperature of source is kept constant and its efficiency is to be raised to 60%, then the required temperature of the sink will be:
Question 3
An ideal gas heat engine operates in a Carnot cycle between 227oC and 127oC. It absorbs 6 kcal at the higher temperature. The amount of heat (in kcal) converted into work is equal to:
Question 4
The efficiency of an ideal heat engine working between the freezing point and boiling point of water, is :-
Question 5
Look at the image
Which of the following statements hold good for the above image?
Which of the following statements hold good for the above image?
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Dec 8NEET & AIIMS
