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HVAC Certification - Type III Questions and Answers with 100%
Complete Solutions UPDATED!!!
Technicians maintaining, servicing, repairing or disposing of
low-pressure appliances must be certified as... - ANSWER Type
III or Universal (technician)
The owner and/or operator of the equipment is responsible
for... - ANSWER records of all leak inspections, leak repair
verification tests, all service records
Sale of HFC's and HFO's restricted to certified technicians on... -
ANSWER January 1, 2018
Sale of CFCs and HCFCs restricted to certified techs on... -
ANSWER November 14, 1994
Low-pressure systems are __________ and operate below
__________ pressure; leaks in __________ or __________ will
cause air and moisture to enter the system. - ANSWER semi-
hermetic, atmospheric, gaskets, fittings
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Most efficient method of leak checking a charged, low-pressure
refrigeration unit is to... - ANSWER pressurize the system using
controlled hot water or heater blankets
When controlled hot water or heater blankets are not available
(for leak testing), use __________ to increase system pressure.
When pressurizing a system, do not exceed __________ psig.
Exceeding this limit will cause the __________ to fail. - ANSWER
nitrogen, 10, rupture disc
When leak testing a water box, be certain the water has been
__________ before placing the leak detector probe through the
__________ valve. - ANSWER removed, drain
Controlled hot water or heating blankets cans be used to
__________ the pressure in a low-pressure system for the
purpose of opening the system for a __________ repair. -
ANSWER raise, non-major
Any maintenance, service or repair involving the removal of any
or all of the following components, the compressor, condenser,
HVAC Certification - Type III Questions and Answers with 100%
Complete Solutions UPDATED!!!
Technicians maintaining, servicing, repairing or disposing of
low-pressure appliances must be certified as... - ANSWER Type
III or Universal (technician)
The owner and/or operator of the equipment is responsible
for... - ANSWER records of all leak inspections, leak repair
verification tests, all service records
Sale of HFC's and HFO's restricted to certified technicians on... -
ANSWER January 1, 2018
Sale of CFCs and HCFCs restricted to certified techs on... -
ANSWER November 14, 1994
Low-pressure systems are __________ and operate below
__________ pressure; leaks in __________ or __________ will
cause air and moisture to enter the system. - ANSWER semi-
hermetic, atmospheric, gaskets, fittings
, 2|Page
Most efficient method of leak checking a charged, low-pressure
refrigeration unit is to... - ANSWER pressurize the system using
controlled hot water or heater blankets
When controlled hot water or heater blankets are not available
(for leak testing), use __________ to increase system pressure.
When pressurizing a system, do not exceed __________ psig.
Exceeding this limit will cause the __________ to fail. - ANSWER
nitrogen, 10, rupture disc
When leak testing a water box, be certain the water has been
__________ before placing the leak detector probe through the
__________ valve. - ANSWER removed, drain
Controlled hot water or heating blankets cans be used to
__________ the pressure in a low-pressure system for the
purpose of opening the system for a __________ repair. -
ANSWER raise, non-major
Any maintenance, service or repair involving the removal of any
or all of the following components, the compressor, condenser,
