102G Flashcards
The mechanical refrigeration code and Canadian code of practice is under
B52
The ozone layer is in the stratosphere between what kilometers above earth
18-32 kilometers
Ozone Depleting Act was made in
2000
ASHRAE
American society of heating refrigeration and air conditioning engineers society
Low toxicity refrigerants are ranked
A
High toxicity refrigerants are ranked
B
Do you throttle ball valves
No
What valve has the highest pressure drop
Globe valve
Four types of valve ports
Disc
Ball
Needle
Diaphragm
Main control valve types
One way valve
Two way valve
Three way valve
Four way valve
PRV are
Safety
Four way reversing valve is used for
Heat pump or defrost
Ferrous material is
Magnetic
EPR is a
Open on rise of inlet
CPR are used to
Regulated the pressure going back into the compressor so the RLA is higher than the FLA