Author Question: All heat engines: a. move heat from colder regions to hotter regions. b. convert some of the heat ... (Read 120 times)

Ebrown · **on:** Jul 28, 2018

All heat engines:
a. move heat from colder regions to hotter regions.
b. convert some of the heat into work.
c. add work to the movement of heat.
d. can potentially extract nearly limitless energy from the thermal energy of their environment.
e. are too large and cumbersome to be used in automobiles.

Question 2

What medium changes in temperature and exerts the forces that operate James Watt's engine?
a. steam
b. coal
c. hot carbon dioxide and water vapor from burning gasoline
d. air
e. warm water