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Out of 40,000 Btu Supplied, Only 1,000 Btu Are Actually

Question 4

Multiple Choice

Out of 40,000 Btu supplied, only 1,000 Btu are actually used in doing work. What is the thermal efficiency?

A) 2.5%
B) 4.5%
C) 6.5%
D) 7.5%

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