Question: Q7. Carnot engine has theoretically highest efficiency. If we increase the source temperature, how will the efficiency be affected? A) Increases B) Decreases C) Remains

Q7. Carnot engine has theoretically highest efficiency. If we increase the

Q7. Carnot engine has theoretically highest efficiency. If we increase the source temperature, how will the efficiency be affected? A) Increases B) Decreases C) Remains unaffected D) Not enough information. Q8. In refrigerator, which component consumes work? A) Evaporator B) Condenser C) Compressor D) Expansion valve

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