macsw air conditioning certification test
with complete solutions
CFC-12 recovery equipment has SAE 3/8 inch service fittings. HFC-134a recovery
equipment has - ANSWER-quick couple design
HFC-134a has a global warming potential of - ANSWER-1430
if a large amount of lubricant is removed from a system during refrigerant recovery -
ANSWER-the system likely contained too much lubricant
is it acceptable and legal to vent HFC-134a - ANSWER-no
it is not recommended by the US EPA, but adding refrigerant to a leaking system is -
ANSWER-permitted, unless local or state laws prohibit it
mobile A/C system design changes new service procedures and equipment have been
developed for what reason - ANSWER-to reduce lifetime refrigerant emissions
on effect of some refrigerant gases in the atmosphere is that they - ANSWER-contribute
to trapping heat
paid technicians who service or repair mobile A/C systems using HCFC-22 as
refrigerant or service cargo refrigerant equipment - ANSWER-must be section 608 type
ii certified
proper way to recharge system - ANSWER-remove charge,evacuate system, add
correct amount of refrigerant
select the statement that best describes the chemical and operating characteristics of
HFO1234yf - ANSWER-HFO1234yf is similar to, but not the same as,HFC134a
the transportation industry is moving to new refrigerants that have lower - ANSWER-
global warming potential
what can happen if refrigerant storage tank is overfilled - ANSWER-tank may explode
what is not identified in the manual as a concern with field coupled hoses - ANSWER-
length of hose
what is the advantage of using refrigerant identification equipment - ANSWER-allows
the ability to determine what type of refrigerant is in system
with complete solutions
CFC-12 recovery equipment has SAE 3/8 inch service fittings. HFC-134a recovery
equipment has - ANSWER-quick couple design
HFC-134a has a global warming potential of - ANSWER-1430
if a large amount of lubricant is removed from a system during refrigerant recovery -
ANSWER-the system likely contained too much lubricant
is it acceptable and legal to vent HFC-134a - ANSWER-no
it is not recommended by the US EPA, but adding refrigerant to a leaking system is -
ANSWER-permitted, unless local or state laws prohibit it
mobile A/C system design changes new service procedures and equipment have been
developed for what reason - ANSWER-to reduce lifetime refrigerant emissions
on effect of some refrigerant gases in the atmosphere is that they - ANSWER-contribute
to trapping heat
paid technicians who service or repair mobile A/C systems using HCFC-22 as
refrigerant or service cargo refrigerant equipment - ANSWER-must be section 608 type
ii certified
proper way to recharge system - ANSWER-remove charge,evacuate system, add
correct amount of refrigerant
select the statement that best describes the chemical and operating characteristics of
HFO1234yf - ANSWER-HFO1234yf is similar to, but not the same as,HFC134a
the transportation industry is moving to new refrigerants that have lower - ANSWER-
global warming potential
what can happen if refrigerant storage tank is overfilled - ANSWER-tank may explode
what is not identified in the manual as a concern with field coupled hoses - ANSWER-
length of hose
what is the advantage of using refrigerant identification equipment - ANSWER-allows
the ability to determine what type of refrigerant is in system