An R-22 refrigeration system requires a superheat of 8F. If the evaporator saturation pressure is 43 psig, what should the bulb temperature be?
A) 51F B) 8F C) 35F D) 28F
Question 2
What is the material inside the filter drier called?
A) Wadding B) Hydrogen peroxide
C) Desiccant D) Alcohol