Author Question: Technicians should be careful when brazing lines to evaporator coils that have preinstalled ... (Read 133 times)

Destiiny22 · **on:** Jul 24, 2018

Technicians should be careful when brazing lines to evaporator coils that have preinstalled thermostatic expansion valves because the heat from brazing the lines:

A) Alters the chemical makeup of the bulb charge and changes its physical properties.
B) Can catch the refrigerant on fire.
C) Can weld the sensing bulb to the suction line.
D) Can overheat the TEV bulb and destroy the valve.

Question 2

Small domestic refrigerators and freezers use:

A) Flooded evaporators. B) A-coils.
C) Plate evaporators. D) Tube-in-tube evaporators.