Q. What is the work done by saturated water which evaporates to 20 kPa atmosphere to form 1.5 m³ of water vapor?

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Q. What is the work done by saturated water which evaporates to 1 kPa atmosphere to form 2 m³ of water vapor?

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Q. What is the work done by 0.1 m³ saturated ethanol which evaporates to 10 kPa atmosphere to form 1 m³ of water vapor?

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Q. What is the work done by 0.5 m³ saturated ethanol which evaporates to 20 kPa atmosphere to form 2 m³ of water vapor?

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Q. Energy out and Energy in of a system are 10 J and 25 J respectively, what is the efficiency of the system?

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Q. Energy out and Energy in of a system are 5 J and 25 J respectively, what is the efficiency of the system?

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Q. Energy out and Energy in of a system are 10 J and 20 J respectively, what is the efficiency of the system?

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Q. Energy out and Energy in of a system are 40 J and 25 J respectively, what is the efficiency of the system?

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Q. Energy out and Energy in of a system are 15 J and 25 J respectively, what is the efficiency of the system?

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Q. What is the efficiency of the system, if the actual work output from the process is 10 J and work output for a reversible process is 40 J?

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Q. What is the efficiency of the system, if the actual work output from the process is 20 J and work output for a reversible process is 25 J?

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Q. What is the efficiency of the system, if the actual work output from the process is 15 J and work output for a reversible process is 20 J?

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Q. What is the efficiency of the system, if the actual work input from the process is 10 J and work input for a reversible process is 20 J?

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Q. What is the efficiency of the system, if the actual work input from the process is 20 J and work input for a reversible process is 25 J?

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Q. What is the efficiency of a heat engine with heat input 10 J and work output 7 J?

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Q. What is the efficiency of a heat engine with heat input 20 J and work output 5 J?

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Q. What is the efficiency of a heat engine with heat input 5 J and work output 8 J?

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Q. What is the coefficient of performance of a system, if its work input is 50 J and heat removed is 35 J?

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Q. What is the coefficient of performance of a system, if its work input is 75 J and heat removed is 45 J?

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Q. Mechanical energy satisfy which of the following?

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