Author Question: One principle that makes heat pump operation possible is that A) Air velocity over a coil will ... (Read 30 times)

ashley · **on:** Jul 26, 2018

One principle that makes heat pump operation possible is that

A) Air velocity over a coil will create friction, raising the temperature of the coil
B) the temperature at which a material boils depends on its pressure
C) Heat will flow uphill when subjected to a strong magnetic field
D) Moving heat quickly through a cold object will create thermal induction, drawing in heat from the colder surroundings

Question 2

What component is responsible for reversing the flow of refrigerant in a heat pump?

A) The reversing valve B) The compressor
C) The check valves D) The heating charge compensator