What can vacuum readings from an operating engine tell us?
What will be an ideal response?
Engine vacuum measurements can tell a technician quite a bit about the engine's health. Anything that causes the engine's vacuum to drop below specifications will result in lower performance.
You might also like to view...
Ductile iron flanged joints should not be used in areas of excessive _____.
a. heat b. pressure c. vibration d. flow
The work a person has done in the past is referred to as that person’s _____
a. educational background c. work ethic b. job interests d. experience
If oil is being trapped in a refrigeration system will an oil separator solve the problem? Why or why not?
a. Yes, because the oil separator will return all the oil back into the crankcase. b. No, because an oil separator does not return all the oil to the crankcase. c. Yes, because the compressor does not need all the oil returned anyway. d. No, because the separators can lock up with too much oil.
The outdoor air-cooled condensing unit consists of:
A) A compressor, condenser coil, a condenser fan, evaporator coil, and the necessary electrical control box assembly. B) A compressor, condenser coil, a condenser fan, and the necessary electrical control box assembly. C) Copper tubing surrounded by aluminum fins and a condenser fan, a refrigerant expansion device, and the necessary electrical control box assembly. D) Copper tubing surrounded by aluminum fins and a condenser fan, and the necessary electrical control box assembly.