What should a technician do with a DOT 39 non-refillable cylinder when it is empty?
A) The cylinder should be returned to the refrigerant manufacturer to be re-used.
B) Knock out the relief disk to remove the residual refrigerant and label the cylinder EMPTY.
C) once most of the refrigerant has been used, the residual may be released to the air
D) Recover any remaining refrigerant, open the valve, knock out the relief disk, and label it EMPTY.
D
You might also like to view...
?Technician A says that drill sizes are classified by letters. Technician B says that drill sizes are classified by numbers. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
Common bermudagrass is more likely to be injured during its first winter if the seeding rate is too ____________________
Fill in the blank(s) with correct word
Which of the following is not a part of a high-intensity discharge lamp?
A. base B. filament C. glass envelope D. arc tube
The __________ is the difference between the condition of the controlled variable and the set point.
A. measured variable B. feedback signal C. error signal