EPA Section 608 Type 1 Exam | Complete
Study Guide with Questions and Verified
Answers | 100% Correct | Graded A+
‣ When using nitrogen in repairing a sealed refrigeration system, what
should the nitrogen tank always be equipped with?
A. Regulator
B. Float sensor
C. Red top
D. Hand valve -✓✓A. Regulator
‣ When recovering refrigerant into a non-pressurized container from a
refrigerator with an improper compressor it is;
A. Helpful to heat and strike the compressor with a rubber mallet
B. Only necessary to recover as much refrigerant as will naturally flow
out
C. Not necessary to recover since the refrigerant is probably
contaminated
D. Necessary to chase refrigerant from the oil with pressurized dry
nitrogen -✓✓A. Helpful to heat and strike the compressor with a rubber
mallet
, ‣ What type of certification is required for persons recovering CFC's,
HCFC's, or HFC''s during maintenance, service, or repair of small
appliances?
A. Type 2
B. Type 3
C. Type 1 or universal
D. Tech who has passed the core exam -✓✓C. Type 1 or universal
‣ What can CFC and HCFC refrigerants decompose into at high
temperatures, glowing metal surfaces etc...
A. Boric and chromic acids
B. Sulfuric and phosphoric acids
C. Hydrochloric and hydrofluoric acids
D. Phosphoric and dodecylbenzenesulfonic acid -✓✓C. Hydrochloric
and hydrofluoric acids
‣ For which of the following refrigeration systems/appliances would it
be permissible to use passive recovery device for recovery of CFC's,
HCFC's, and HFC's?
A. A centrifugal air conditioner
B. A reciprocating liquid chiller
C. A single compressor, large commercial walk in freezer
D. A domestic refrigerator -✓✓D. A domestic refrigerator
Study Guide with Questions and Verified
Answers | 100% Correct | Graded A+
‣ When using nitrogen in repairing a sealed refrigeration system, what
should the nitrogen tank always be equipped with?
A. Regulator
B. Float sensor
C. Red top
D. Hand valve -✓✓A. Regulator
‣ When recovering refrigerant into a non-pressurized container from a
refrigerator with an improper compressor it is;
A. Helpful to heat and strike the compressor with a rubber mallet
B. Only necessary to recover as much refrigerant as will naturally flow
out
C. Not necessary to recover since the refrigerant is probably
contaminated
D. Necessary to chase refrigerant from the oil with pressurized dry
nitrogen -✓✓A. Helpful to heat and strike the compressor with a rubber
mallet
, ‣ What type of certification is required for persons recovering CFC's,
HCFC's, or HFC''s during maintenance, service, or repair of small
appliances?
A. Type 2
B. Type 3
C. Type 1 or universal
D. Tech who has passed the core exam -✓✓C. Type 1 or universal
‣ What can CFC and HCFC refrigerants decompose into at high
temperatures, glowing metal surfaces etc...
A. Boric and chromic acids
B. Sulfuric and phosphoric acids
C. Hydrochloric and hydrofluoric acids
D. Phosphoric and dodecylbenzenesulfonic acid -✓✓C. Hydrochloric
and hydrofluoric acids
‣ For which of the following refrigeration systems/appliances would it
be permissible to use passive recovery device for recovery of CFC's,
HCFC's, and HFC's?
A. A centrifugal air conditioner
B. A reciprocating liquid chiller
C. A single compressor, large commercial walk in freezer
D. A domestic refrigerator -✓✓D. A domestic refrigerator
