A manufacturer claims that the heat engine can do a work of 80 kJ by absorbing the heat of 250 kJ from the source. The provided heat engine is working between the temperatures is shown below. Source 237°C Heat Engine sink 127 °C W Statement (A): The claim of the manufacturer is incorrect. Reason (R): The actual efficiency of the heat engine is always less than the Carnot efficiency. (a) Both (A) and (R) true and (R) is the correct explanation of (A) (b) Both(A) and (R) true and (R) is not the correct explanation of (A) (c) (A) is false but (R) is true. (d) (A) is true but (R) is false.
A manufacturer claims that the heat engine can do a work of 80 kJ by absorbing the heat of 250 kJ from the source. The provided heat engine is working between the temperatures is shown below. Source 237°C Heat Engine sink 127 °C W Statement (A): The claim of the manufacturer is incorrect. Reason (R): The actual efficiency of the heat engine is always less than the Carnot efficiency. (a) Both (A) and (R) true and (R) is the correct explanation of (A) (b) Both(A) and (R) true and (R) is not the correct explanation of (A) (c) (A) is false but (R) is true. (d) (A) is true but (R) is false.
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Transcribed Image Text:A manufacturer claims that the heat engine can do a work of 80 kJ by absorbing the
heat of 250 kJ from the source. The provided heat engine is working between the
temperatures is shown below.
Source
237°C
Heat Engine
sink
127 °C
W
Statement (A): The claim of the manufacturer is incorrect.
Reason (R): The actual efficiency of the heat engine is always less than the Carnot
efficiency.
(a) Both (A) and (R) true and (R) is the correct explanation of (A)
(b) Both(A) and (R) true and (R) is not the correct explanation of (A)
(c) (A) is false but (R) is true.
(d) (A) is true but (R) is false.
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