In One Cycle of Operation, the Thermal Energy Input to a Particular

question 1

Multiple Choice

In one cycle of operation, the thermal energy input to a particular heat engine is 200 joules and the exhaust is 80 joules. The efficiency of this engine is

• A) impossible to determine from the given information.
• B) 40 percent.
• C) 80 percent.
• D) 20 percent.
• E) 60 percent.

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