HVAC CORE EPA

  1. How can ice be removed from a sight glass?
    Sight glasses can be cleaned with an alcohol spray
  2. What must be done with a badly corroded relief valve ?
    Anytime a relief valve is damaged or corroded it must be replaced
  3. Where can you find the allowable test pressure on a system?
    Equipment test pressures must not exceed the maximum design rating on the unit dataplate 
  4. Can oxygen be used to check for leaks?if not,why not?
    Explosions may occur from leak checking with oxygen or compressed air
  5. If both test pressure are given on the equipment data plate which should be used?
    If both high side and low side ratings are given,the low side rating should be used for pressure test
Author
blackcat
ID
213522
Card Set
HVAC CORE EPA
Description
HVAC FLASHCARDS
Updated