A hygroscopic lubricant:
A) Is an oil whose composition is based on water. B) Is used primarily with water-cooled systems.
C) Is water repellant. D) Absorbs water readily.
Question 2
Positive shutoff fittings allow technicians to reduce the amount of which of the following?
A) Refrigerant spray when disconnecting from a refrigeration system
B) Liquid in the unit during evacuation
C) The amount of refrigerant coming into the hoses
D) Refrigerant spray when connecting to a refrigeration system