Author Question: Heat flows from the product into the evaporator because: A) The evaporator is at a lower pressure ... (Read 33 times)

burton19126 · **on:** Jul 24, 2018

Heat flows from the product into the evaporator because:

A) The evaporator is at a lower pressure than the product.
B) The refrigerant in the evaporator has fewer BTU/lb than the product.
C) The evaporator is at a lower temperature than the product.
D) The refrigerant in the evaporator has a lower specific heat than the product.

Question 2

What is the purpose of a gauge manifold valve?

A) To control refrigerant flow to the gauge's center
B) To allow for a permanent opening for refrigerant flow
C) To cut off refrigerant flow from the center of the gauge
D) To limit the flow of refrigerant to the outside of the valve