Author Question: Compared to hot water heating coils, steam heating coils are A) Mostly plastic materials rather ... (Read 123 times)

crobinson2013 · **on:** Jul 26, 2018

Compared to hot water heating coils, steam heating coils are

A) Mostly plastic materials rather than metal B) More complicated in construction
C) Physically smaller D) Physically larger

Question 2

When adding a specific amount of refrigerant to a new system, how do you measure the amount of refrigerant added?

A) Use a digital scale to remove refrigerant until a negative number registers.
B) Use a digital scale to register change as the refrigerant exits the cylinder.
C) Use a digital scale to register change as you add refrigerant to the cylinder.
D) Use a digital scale to weigh the refrigerant cylinder.