A Steam Engine Operates Between a High and Low Temperature $\circ$

question 12

Multiple Choice

A steam engine operates between a high and low temperature of 550 ^$\circ$ C and 180 ^$\circ$ C.If the steam engine operates at 40% of its theoretical maximum efficiency and does work at a rate of 1000 W,calculate how much heat is discharged per hour.

• A)0.8 MJ/hr
• B)2.8 MJ/hr
• C)3.4 MJ/hr
• D)16 MJ/hr
• E)12 MJ/hr

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