Question: An example of a pressure vessel is

Answer: A cylinder containing refrigernat for a refrigeration system

Question: If you were a technician about to service an air conditioning system using R-22 refrigerant and the temperature of the refrigerant in the cylinder in your truck was 105*F what would be the pressure of the refrigerant psig in the cylinder

Answer: 210.8

Question: A fusible plug is made from

Answer: A material with a low melting temperature

Question: It is possible that your hand will suffer frostbite if it comes in contact with liquid R-22 when accidentally real eased in to the atmosphere

Answer: True

Question: When transferring refrigerant from a cylinder to a refrigeration system you should always wear

Answer: Gloves and goggles

Question: Oil must never be used around a oxygen

Answer: Oxygen

Question: Before using your voltmeter always

Answer: Set the range selector to a setting higher than the voltage you will be reading

Question: Properly grounded power tools should be used

Answer: So that if the motor or other electrical part of the tool becomes shorted to the frame the electric current will follow the grounding circuit

Question: A double insulated electric drill

Answer: Generally has a plastic case with the electrical connections and motor insulated within the tool

Question: When soldering a replacement fitting in a refrigeration circuit it is important that

Answer: Related valves or Schrader ports are open