EPA 608 Core Study Guide
A "compound gauge": - ANS-Can most effective be used for low pressures - Has distinctive unit
scales
A CFC - eleven cylinder is: - ANS-Orange
A CFC consists of: - ANS-Chlorine, fluorine, carbon
A chlorine atom will combine with an ozone molecule to form: - ANS-Chlorine Monoxide
A recovery cylinder is: - ANS-Gray with yellow pinnacle
A refillable cylinder can be filled to a maximum of: - ANS-eighty% of its liquid weight
A refrigerant heated above its boiling factor is: - ANS-Superheated
A refrigeration machine need to no longer be recovered except a gauge suggests a minimum
pressure of _________ Psig in the system. - ANS-15 Psig
A machine can be said to be nicely dehydrated when: - ANS-The vacuum indicator has reached
and held the desired vacuum for a time frame
A technician who violates provisions of the CAA: - ANS-May be fined - May lose certification -
May be required to seem in court docket
According to EPA rules, whilst gadget flushing is required following a compressor burnout, the
subsequent refrigerant need to be used: - ANS-System flushing with refrigerants is illegal
Alkylbenzene lubricants are related to: - ANS-Ternary blends
All appliances currently manufactured or imported into the United States ought to be equipped
with: - ANS-A carrier aperture or tool to enable the elimination of refrigerant
An award of __________________ can be paid to someone supplying information which leads
to a penalty against a technician for violating CAA regulations. - ANS-$10,000
An HCFC incorporates: - ANS-Hydrogen, chlorine, fluorine, carbon
An HFC includes the subsequent chemical substances: - ANS-Hydrogen, fluorine, carbon
, An HFC-134a cylinder is: - ANS-Sky blue or pale blue
Any vapor refrigerant vented from the top of a graduated charging cylinder at the same time as
filling the charging cylinder with liquid: - ANS-Must be recovered
As of January 1st, 1996: - ANS-It is unlawful to import or manufacture CFCs in the United States
As of November 15, 1993, all recovery gadget ought to: - ANS-Be geared up with low loss
fittings - Be certified by means of an EPA authorized employer
As of November 15, 1993, recuperation machines: - ANS-Must be certified to fulfill EPA
standards
Before using a recuperation unit, you need to: - ANS-Check provider valves positions - Check
oil level Evacuate
Before using an empty healing cylinder, you should: - ANS-Evacuate the cylinder
Blended refrigerants leak from a gadget: - ANS-In uneven amounts due to different vapor
pressures
CAA is the acronym for: - ANS-Clean Air Act
Can ester primarily based oils be blended with other oils? - ANS-No
Can combined refrigerants be reclaimed? - ANS-No
Can nation or nearby laws governing refrigerant be less strict than federal legal guidelines? -
ANS-No
Can you operate a open flame to heat a refrigerant bottle? - ANS-No
CFCs are taken into consideration more harmful to the ozone layer than HCFCs because: -
ANS-They aren't water soluble, and do now not wash out of the atmosphere
Currently, nearly all residential air conditioners use refrigerant ______________: -
ANS-HCFC-22
For protection, a technician should always wear_____________ and ____________ when
working around refrigerants: - ANS-Butyl gloves and goggles
HCFC-123 is: - ANS-Toxic
A "compound gauge": - ANS-Can most effective be used for low pressures - Has distinctive unit
scales
A CFC - eleven cylinder is: - ANS-Orange
A CFC consists of: - ANS-Chlorine, fluorine, carbon
A chlorine atom will combine with an ozone molecule to form: - ANS-Chlorine Monoxide
A recovery cylinder is: - ANS-Gray with yellow pinnacle
A refillable cylinder can be filled to a maximum of: - ANS-eighty% of its liquid weight
A refrigerant heated above its boiling factor is: - ANS-Superheated
A refrigeration machine need to no longer be recovered except a gauge suggests a minimum
pressure of _________ Psig in the system. - ANS-15 Psig
A machine can be said to be nicely dehydrated when: - ANS-The vacuum indicator has reached
and held the desired vacuum for a time frame
A technician who violates provisions of the CAA: - ANS-May be fined - May lose certification -
May be required to seem in court docket
According to EPA rules, whilst gadget flushing is required following a compressor burnout, the
subsequent refrigerant need to be used: - ANS-System flushing with refrigerants is illegal
Alkylbenzene lubricants are related to: - ANS-Ternary blends
All appliances currently manufactured or imported into the United States ought to be equipped
with: - ANS-A carrier aperture or tool to enable the elimination of refrigerant
An award of __________________ can be paid to someone supplying information which leads
to a penalty against a technician for violating CAA regulations. - ANS-$10,000
An HCFC incorporates: - ANS-Hydrogen, chlorine, fluorine, carbon
An HFC includes the subsequent chemical substances: - ANS-Hydrogen, fluorine, carbon
, An HFC-134a cylinder is: - ANS-Sky blue or pale blue
Any vapor refrigerant vented from the top of a graduated charging cylinder at the same time as
filling the charging cylinder with liquid: - ANS-Must be recovered
As of January 1st, 1996: - ANS-It is unlawful to import or manufacture CFCs in the United States
As of November 15, 1993, all recovery gadget ought to: - ANS-Be geared up with low loss
fittings - Be certified by means of an EPA authorized employer
As of November 15, 1993, recuperation machines: - ANS-Must be certified to fulfill EPA
standards
Before using a recuperation unit, you need to: - ANS-Check provider valves positions - Check
oil level Evacuate
Before using an empty healing cylinder, you should: - ANS-Evacuate the cylinder
Blended refrigerants leak from a gadget: - ANS-In uneven amounts due to different vapor
pressures
CAA is the acronym for: - ANS-Clean Air Act
Can ester primarily based oils be blended with other oils? - ANS-No
Can combined refrigerants be reclaimed? - ANS-No
Can nation or nearby laws governing refrigerant be less strict than federal legal guidelines? -
ANS-No
Can you operate a open flame to heat a refrigerant bottle? - ANS-No
CFCs are taken into consideration more harmful to the ozone layer than HCFCs because: -
ANS-They aren't water soluble, and do now not wash out of the atmosphere
Currently, nearly all residential air conditioners use refrigerant ______________: -
ANS-HCFC-22
For protection, a technician should always wear_____________ and ____________ when
working around refrigerants: - ANS-Butyl gloves and goggles
HCFC-123 is: - ANS-Toxic
