EPA SECTION 608 TYPE 1 EXA UPDATED ACTUAL EXAM QUESTIONS CORRECT ANSWERS
GRADED A PLUS
Question:
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
Answer:
A. Regulator
Question:
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
Answer:
A. Helpful to heat and strike the compressor with a rubber mallet
Question:
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
Answer:
C. Type 1 or universal
Question:
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
, Answer:
C. Hydrochloric and hydrofluoric acids
Question:
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
Answer:
D. A domestic refrigerator
Question:
What is the maximum normal charge of HCFC or HFC refrigerant in an appliance that is allowed to
use system dependent recovery equipment? A. 5 pounds B. 10 pounds C. 15 pounds D. 50 pounds
Answer:
C. 15 pounds
Question:
Recovery devices for us with small appliances containing CFC's, HCFC's, and HFC's must meet
which of the following requirements? A. Recovering 90% of the refrigerant when the compressor is
operating B. Recovering 80% of the refrigerant when the compressor is operating C. Recovering
95% of the refrigerant when the compressor is operating D. Recovering 75% of the refrigerant when
the compressor is operating
Answer:
A. Recovering 90% of the refrigerant when the compressor is operating
Question:
What type of appliances are techs certified to charge and open after passing the examination? A.
Appliances containing 5lb or less of refrigerant that have been hermetic and charged at the factory
B. Split systems containing 5lb or less C. Appliances containing 5lb or less that have an open drive
GRADED A PLUS
Question:
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
Answer:
A. Regulator
Question:
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
Answer:
A. Helpful to heat and strike the compressor with a rubber mallet
Question:
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
Answer:
C. Type 1 or universal
Question:
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
, Answer:
C. Hydrochloric and hydrofluoric acids
Question:
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
Answer:
D. A domestic refrigerator
Question:
What is the maximum normal charge of HCFC or HFC refrigerant in an appliance that is allowed to
use system dependent recovery equipment? A. 5 pounds B. 10 pounds C. 15 pounds D. 50 pounds
Answer:
C. 15 pounds
Question:
Recovery devices for us with small appliances containing CFC's, HCFC's, and HFC's must meet
which of the following requirements? A. Recovering 90% of the refrigerant when the compressor is
operating B. Recovering 80% of the refrigerant when the compressor is operating C. Recovering
95% of the refrigerant when the compressor is operating D. Recovering 75% of the refrigerant when
the compressor is operating
Answer:
A. Recovering 90% of the refrigerant when the compressor is operating
Question:
What type of appliances are techs certified to charge and open after passing the examination? A.
Appliances containing 5lb or less of refrigerant that have been hermetic and charged at the factory
B. Split systems containing 5lb or less C. Appliances containing 5lb or less that have an open drive
