Solution Found!
Answer: A diesel engine performs 2200 J of mechanical work
Chapter 20, Problem 1E(choose chapter or problem)
QUESTION:
Problem 1E
A diesel engine performs 2200 J of mechanical work and discards 4300 J of heat each cycle. (a) How much heat must be supplied to the engine in each cycle? (b) What is the thermal efficiency of the engine?
Questions & Answers
QUESTION:
Problem 1E
A diesel engine performs 2200 J of mechanical work and discards 4300 J of heat each cycle. (a) How much heat must be supplied to the engine in each cycle? (b) What is the thermal efficiency of the engine?
ANSWER:
Solution 2E
Step 1:
Mechanical work output is
Hence we have
Total mechanical work is s\
W=
Mechanical output is