Question 1

Mechanical refrigerant recovery equipment must meet specifications established by the 1993 AHRI 740 standard.

Accepted Answer

A) True 
 B)False

Question 2

Which type of refrigerant has the highest Ozone Depletion Potential (ODP) ?

Accepted Answer

A)   HFC.
B)   HCFC.
C)   CFC.
D)   All have the same ODP.

Question 3

Production of CFC refrigerants became illegal on January 1, ____________________.

Accepted Answer

The answer of Production of CFC refrigerants became illegal on...

Question 4

The DOT-approved cylinder used for recovering refrigerant is gray and yellow.

Accepted Answer

A) True 
 B)False

Question 5

When did it become illegal to "intentionally" vent CFC refrigerants to the atmosphere? Give the month, day, and year.

Accepted Answer

The date w...

Question 6

The abbreviation for refrigerants containing chlorine, fluorine, and carbon is ____.

Accepted Answer

A)   HFC
B)   HCFC
C)   CFC
D)   HFAC

Question 7

What is the difference between an azeotropic mixture and a near-azeotropic mixture?

Accepted Answer

An azeotropic mixture will not separate ...

Question 8

To clean refrigerant by the use of filter dryers is called ____.

Accepted Answer

A)   recovery
B)   renew
C)   reclaim
D)   recycle

Question 9

The _____ takes into consideration both the direct and indirect global warming effects of refrigerants.

Accepted Answer

A)   GWI
B)   GWP
C)   ODP
D)   TEWI

Question 10

Which of the following is an example of an HCFC refrigerant?

Accepted Answer

A)   R-12.
B)   R-22.
C)   R-32.
D)   R-134a.

Question 11

The DOT-approved cylinder in which refrigerant may be recovered has a mechanism for shutting the recovery system off when it reaches approximately ____________________% full.

Accepted Answer

The answer of The DOT-approved cylinder in which refrigerant may...

Question 12

A refrigerant reclaimed from a system may be charged back into the system from which it came.

Accepted Answer

A) True 
 B)False

Question 13

As of July 1, 1992, it is illegal to intentionally vent ____ refrigerants into the atmosphere .

Accepted Answer

A)   CFC
B)   HCFC
C)   Polyvinylether (PV
E)  
D)   Both a and b.

Question 14

The small amount of refrigerant released when removing gauge hoses from the system is called ____________________.

Accepted Answer

The answer of The small amount of refrigerant released when...

Question 15

Refrigerants that are made up of two or more liquids are called ____.

Accepted Answer

A)   fluorocarbons
B)   azeotropes
C)   chlorofluorocarbons
D)   isotopes

Question 16

The abbreviation for refrigerants containing fluorine, carbon, and hydrogen is ____.

Accepted Answer

A)   HFC
B)   HCFC
C)   CFC
D)   HFAC

Question 17

Ozone is produced mainly by a process called ____________________.

Accepted Answer

The answer of Ozone is produced mainly by a process...

Question 18

On what does Type III EPA certification allow a service technician to work?

Accepted Answer

Low-pressure systems...

Question 19

The trapping of the Earth's heat in the atmosphere which is causing global warming is called the ____________________.

Accepted Answer

The answer of The trapping of the Earth's heat in...

Exam 9: Refrigerant and Oil Chemistry and Managementrecovery, Recycling, Reclaiming, and Retrofitting

The small amount of refrigerant released when removing gauge hoses from the system is called ____________________.

Correct Answer
verified

To clean refrigerant by the use of filter dryers is called ____.

Correct Answer
verified

The abbreviation for refrigerants containing fluorine, carbon, and hydrogen is ____.

Correct Answer
verified

The DOT-approved cylinder in which refrigerant may be recovered has a mechanism for shutting the recovery system off when it reaches approximately ____________________% full.

Correct Answer
verified

A refrigerant reclaimed from a system may be charged back into the system from which it came.

Correct Answer
verified

As of July 1, 1992, it is illegal to intentionally vent ____ refrigerants into the atmosphere .

Correct Answer
verified

What is the difference between an azeotropic mixture and a near-azeotropic mixture?

Correct Answer
verified
An azeotropic mixture will not separate ...
View Answer

The trapping of the Earth's heat in the atmosphere which is causing global warming is called the ____________________.

Correct Answer
verified

The abbreviation for refrigerants containing chlorine, fluorine, and carbon is ____.

Correct Answer
verified

Mechanical refrigerant recovery equipment must meet specifications established by the 1993 AHRI 740 standard.

Correct Answer
verified

The DOT-approved cylinder used for recovering refrigerant is gray and yellow.

Correct Answer
verified

Production of CFC refrigerants became illegal on January 1, ____________________.

Correct Answer
verified

Refrigerants that are made up of two or more liquids are called ____.

Correct Answer
verified

When did it become illegal to "intentionally" vent CFC refrigerants to the atmosphere? Give the month, day, and year.

Correct Answer
verified
The date w...
View Answer

Which of the following is an example of an HCFC refrigerant?

Correct Answer
verified

Which type of refrigerant has the highest Ozone Depletion Potential (ODP) ?

Correct Answer
verified

On what does Type III EPA certification allow a service technician to work?

Correct Answer
verified
Low-pressure systems...
View Answer

The _____ takes into consideration both the direct and indirect global warming effects of refrigerants.

Correct Answer
verified

Ozone is produced mainly by a process called ____________________.

Correct Answer
verified

Exam 9: Refrigerant and Oil Chemistry and Managementrecovery, Recycling, Reclaiming, and Retrofitting

The small amount of refrigerant released when removing gauge hoses from the system is called ____________________.

Correct AnswerverifiedShow Answer

To clean refrigerant by the use of filter dryers is called ____.

Correct AnswerverifiedShow Answer

The abbreviation for refrigerants containing fluorine, carbon, and hydrogen is ____.

Correct AnswerverifiedShow Answer

The DOT-approved cylinder in which refrigerant may be recovered has a mechanism for shutting the recovery system off when it reaches approximately ____________________% full.

Correct AnswerverifiedShow Answer

A refrigerant reclaimed from a system may be charged back into the system from which it came.

Correct AnswerverifiedShow Answer

As of July 1, 1992, it is illegal to intentionally vent ____ refrigerants into the atmosphere .

Correct AnswerverifiedShow Answer

What is the difference between an azeotropic mixture and a near-azeotropic mixture?

Correct AnswerverifiedAn azeotropic mixture will not separate ...View AnswerShow Answer

The trapping of the Earth's heat in the atmosphere which is causing global warming is called the ____________________.

Correct AnswerverifiedShow Answer

The abbreviation for refrigerants containing chlorine, fluorine, and carbon is ____.

Correct AnswerverifiedShow Answer

Mechanical refrigerant recovery equipment must meet specifications established by the 1993 AHRI 740 standard.

Correct AnswerverifiedShow Answer

The DOT-approved cylinder used for recovering refrigerant is gray and yellow.

Correct AnswerverifiedShow Answer

Production of CFC refrigerants became illegal on January 1, ____________________.

Correct AnswerverifiedShow Answer

Refrigerants that are made up of two or more liquids are called ____.

Correct AnswerverifiedShow Answer

When did it become illegal to "intentionally" vent CFC refrigerants to the atmosphere? Give the month, day, and year.

Correct AnswerverifiedThe date w...View AnswerShow Answer

Which of the following is an example of an HCFC refrigerant?

Correct AnswerverifiedShow Answer

Which type of refrigerant has the highest Ozone Depletion Potential (ODP) ?

Correct AnswerverifiedShow Answer

On what does Type III EPA certification allow a service technician to work?

Correct AnswerverifiedLow-pressure systems...View AnswerShow Answer

The _____ takes into consideration both the direct and indirect global warming effects of refrigerants.

Correct AnswerverifiedShow Answer

Ozone is produced mainly by a process called ____________________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
An azeotropic mixture will not separate ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The date w...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Low-pressure systems...
View Answer

Correct Answer
verified

Correct Answer
verified