RTUS A2L CORE 3 QUESTIONS WITH ACCURATE ANSWERS

RTUS A2L CORE 3 QUESTIONS WITH ACCURATE
ANSWERS
____ are designed and installed to prevent accumulation and/or ignition of
flammable refrigerant vapors should a leak occur correct answer Mitigation
Strategies


____ can activate mechanical ventilation systems, activate a solenoid to force the
system into a pump down, de-energize the system completely, or a combination
of mitigation responses using control logic electronics correct answer Active
Sensors


____ can form when any fluorine containing refrigerant undergoes complete or
incomplete combustion or thermal decomposition correct answer Hydrogen
Fluoride


____ is a measurement of the amount of heat released when a substance, in this
case a refrigerant, burns correct answer Heat of Combustion (HOC)


Accumulation of a flammable refrigerant in a confined space can lead to a ___ or
____ correct answer Fire/Explosion or Severe Ignition Event


After installation, the refrigerant piping must be correct answer Pressurized to
perform a leak test


Currently the charge limit for systems containing an A3 refrigerant is correct
answer 150 Grams or 5.3 Ounces