"If you remove 2,280 btu's from 32 degree water, how many pounds of water would you
freeze?"
15 lbs
The main reason for purging a Freon refrigerating centrifugal system is to remove
, noncondensable gases
"A refrigeration plant absorbs 6,624,000 btus of heat per day. How many tons per hour of
refrigeration is that?"
23 tons
How should properly installed refrigeration lines be pitched?
Towards The Direction of Flow
What absorbs the ammonia in an absorption system?
Water (R-718)
Where is oiling required on a centrifugal refrigeration system?
, At the shaft end bearings
Define the term refrigerant reclaiming
All of the above
"You work in a refrigeration plant that utilizes refrigerant R-717 and absorbs 6,624,000 btu
s of heat per hr; does this plant require a blue seal operator?"
Yes
PV = nRT
Ideal Gas Law