Author Question: A gasoline engine absorbs 2500 J of heat and performs 1000 J of mechanical work in each cycle. The ... (Read 176 times)

WWatsford · **on:** Jul 28, 2018

A gasoline engine absorbs 2500 J of heat and performs 1000 J of mechanical work in each cycle. The amount of heat expelled in each cycle is
a. 1000 J
b. 1500 J
c. 2000 J
d. 500 J
e. 3000 J

Question 2

A gasoline engine absorbs 2500 J of heat and performs 1000 J of mechanical work in each cycle. The efficiency of the engine is
a. 80.
b. 40.
c. 60.
d. 20.
e. 50.