RETA CARO Exam Review Set Exam || Most Recent Exam Actual
Complete Real Exam Questions And Correct Answers (Verified
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Hydrostatic expansion
Fill in the blank: When liquid ammonia is trapped in a vessel or pipe that is
completely full, a temperature rise can cause an effect called _.
Sulfur stick and pH or litmus paper
What are the two primary ways of finding small ammonia leaks?
15
Fill in the blank: An operator must flush the body or eyes for a minimum of __
minutes when exposed to ammonia.
heat transfer in BTUs per time
What is tonnage?
PSIA
What pressure scale must be used to calculate a compression ratio?
3 groups (CFCs, HCFCs, HFCs)
How many groups of halocarbons are there?
, Carbon
Fill in the blank: Organic compounds are structured around the molecule.
Inorganic
Fill in the blank ____ compounds are usually non carbon based.
True
True or False: Inorganic/organic compounds fall under the natural group and
usually are classified with the refrigerant series 700.
400, 2
Zeotropic refrigerants are the ___ series refrigerants that are a blend of more than _
refrigerants.
500
Azeotropic refrigerants are the ___ series refrigerants that are a blend of usually 2
refrigerants.
Isobutene, propane, ethane
Fill in the blank: _________, _______ and __ are also considered natural refrigerants but are
classified under hydrocarbon refrigerants and are considered extremely
flammable.
King valve
The type of valve that is considered a critical isolation valve.
Complete Real Exam Questions And Correct Answers (Verified
Answers) Already Graded A+ | Guaranteed Success!! Newest Exam
| Just Released!! 2026-2027
Hydrostatic expansion
Fill in the blank: When liquid ammonia is trapped in a vessel or pipe that is
completely full, a temperature rise can cause an effect called _.
Sulfur stick and pH or litmus paper
What are the two primary ways of finding small ammonia leaks?
15
Fill in the blank: An operator must flush the body or eyes for a minimum of __
minutes when exposed to ammonia.
heat transfer in BTUs per time
What is tonnage?
PSIA
What pressure scale must be used to calculate a compression ratio?
3 groups (CFCs, HCFCs, HFCs)
How many groups of halocarbons are there?
, Carbon
Fill in the blank: Organic compounds are structured around the molecule.
Inorganic
Fill in the blank ____ compounds are usually non carbon based.
True
True or False: Inorganic/organic compounds fall under the natural group and
usually are classified with the refrigerant series 700.
400, 2
Zeotropic refrigerants are the ___ series refrigerants that are a blend of more than _
refrigerants.
500
Azeotropic refrigerants are the ___ series refrigerants that are a blend of usually 2
refrigerants.
Isobutene, propane, ethane
Fill in the blank: _________, _______ and __ are also considered natural refrigerants but are
classified under hydrocarbon refrigerants and are considered extremely
flammable.
King valve
The type of valve that is considered a critical isolation valve.
