EPA 608 Certification Questions With Revised Correct Answers BEST UPDATED!!
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Course
EPA certification
Institution
EPA Certification
EPA 608 Certification Questions
With Revised Correct Answers
BEST UPDATED!!
What is EPA 608 Universal certification? - ANSWER
Persons who maintain, service, repair, or dispose of both low
and high pressure equipment, as well as appliances.
What is EPA 608 Type I certification? - A...
EPA 608 Certification Questions
With Revised Correct Answers
BEST UPDATED!!
What is EPA 608 Universal certification? - ANSWER
Persons who maintain, service, repair, or dispose of both low
and high pressure equipment, as well as appliances.
What is EPA 608 Type I certification? - ANSWER Persons
who maintain, service, repair, or dispose of small appliances
(containing 5 pounds of refrigerant (or less).
What is EPA 608 Type II certification? - ANSWER Persons
who maintain, service, repair, or dispose of high and very high
pressure appliances. Except small appliances and motor vehicle
air conditioning systems.
What is EPA 608 Type III certification? - ANSWER Persons
who maintain, service, repair, or dispose of low pressure
appliances.
,HCFC's - ANSWER HydroChloroFluoroCarbons
What are HydroChloroFluoroCarbons? - ANSWER
Commonly known as HCFC's, they are a group of man-made
compunds containing hydrogen, chlorine, fluorine, and carbon.
A recovery cylinder must not be filled more than ___ % of it's
capacity by weight? - ANSWER 80%
How should refrigerant cylinders be shipped? - ANSWER
Up-right with proper DOT classification tags.
What oil MUST be used with ALL HFC's for HVAC/Refrigeration
but will also work with CFC's and HCFC's. - ANSWER
Polyolester
HCFC's have very low atmospheric concentrations measured in
parts per? - ANSWER Trillion
,All cooling systems containing more than 50 lbs. of refrigerant
must be repaired when the annual leak rate exceeds___? -
ANSWER 15%
Mineral Oils are used with? - ANSWER All CFC's
Alkebenzene is used alone or as an additive for? - ANSWER
HCFC's (Will also work with CFC's)
POE - ANSWER Polyolester
What is the definition of a Type I Appliance? - ANSWER A
small appliance that is manufactured, charged, and
hermetically sealed in a factory with 5 lbs. of refrigerant or less.
What is the definition of a Type II Appliance? - ANSWER
High pressure or very high pressure appliances except for small
appliances and motor vehicle air conditioning. Refrigeration
systems containing more than 5 Lbs. of high or very high
pressure refrigerants.
, What is the definition of a Type III Appliance? - ANSWER
Low pressure equipment like low pressure chillers.
All refrigerants are assumed to be a single chemical if they are
numbered what? - ANSWER 1-399 and 600 and above.
What is an Azeotrope? - ANSWER A mixture of two or
more liquids in such a ratio that it's composition cannot be
changed by vaporizing it.
Azeotrope's are numbered what? - ANSWER 500 to 599
What is fractionation? - ANSWER When the refrigerant
leaks, it leaks out in different rates due to the different
pressures.
What is Temperature Glide? - ANSWER When the
temperature of the vaporizing refrigerant changes, even though
the pressure remains the same.
What are the two basic types of recovery devices? - ANSWER
Self-Contained and System-Dependent.
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