Question

Which of the following statements correctly describes a heat engine?

A. Work is used to transfer thermal energy from a hot reservoir to a cold one.

B. Work is done by transferring thermal energy from a hot reservoir to a cold one.

C. Work is used to transfer thermal energy from a cold reservoir to a hot one.

D. Work is done by transferring thermal energy from a cold reservoir to a hot one.

**not sure! thank you:D

Answer 1

I'm pondering...

Answer 2

:)

Answer 3

a typical heat engine is a turbomachine, by means of that turbomachine, an amount of work W, is done, transferring an amount Q of heat from a hot reservoir to a cold one

Answer 4

ohh okay! so choice B? :O

Answer 5

yes! I think so!

Answer 6

okay yay!! thanks!! :)

Answer 7

thanks!! :)