Industrial ammonia Refrigeration Final
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2025/2026 Complete 170 Questions And
Correct Detailed Answers (Verified
Answers) |Already Graded A+||Brand
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Convection is the transfer of ____ - 🧠 ANSWER ✔✔heat through a material
or substance
Radiation is the ____ - 🧠 ANSWER ✔✔projection of heat like the heat
radiated by the sun or by an open flame
T or F: Heat is always on the move, traveling only in one direction and
always from hot to cold - 🧠 ANSWER ✔✔false
What are two methods of heat transfer? - 🧠 ANSWER ✔✔conduction and
convection
,What are two basic forms of refrigeration systems? - 🧠 ANSWER ✔✔direct
expansion and gravity flooded
T or F: Conduction is the heat transferred due to the temperature being
different on one side of a room than the other like the heat rising in a room -
🧠 ANSWER ✔✔true
T or F: A basic refrigeration system consists of an expansion device, an
evaporator, a compressor, and a condenser connected by a series of pipes
- 🧠 ANSWER ✔✔true
T or F: Compression occurs as the ammonia refrigerant passes through the
evaporator - 🧠 ANSWER ✔✔false
T or F: The high side includes all components between the pressure
reduction device outlet to a point inside the compressor - 🧠 ANSWER
✔✔false
Heat contained in the area to be cooled and absorbed by the ammonia
refrigerant as it passes through the evaporator is called? - 🧠 ANSWER
✔✔the load
, The low side of an ammonia refrigeration system consists of ... - 🧠
ANSWER ✔✔the pressure reduction device and the condenser
T or F: Expansion occurs as the refrigerant flows through the compressor -
🧠 ANSWER ✔✔false
T or F: When a hand expansion valve is opened, pressure behind the valve
forces liquid ammonia through a small opening causing a deliberate
pressure drop to occur - 🧠 ANSWER ✔✔false
T or F: Evaporation takes place as the ammonia refrigerant flows through
the compressor - 🧠 ANSWER ✔✔false
T or F: The evaporation process is completed when the ammonia has
passed through the evaporator - 🧠 ANSWER ✔✔true
Absolute pressure is the pressure read by a gauge, plus the ____
atmospheric pressure - 🧠 ANSWER ✔✔ambient
T or F: A pumped liquid, or re-circulation single stage system consists of a
receiver, a king valve, a pressure reduction device, an evaporator, a
compressor, a condenser, a vessel, a pump and an additional flow
metering device - 🧠 ANSWER ✔✔true
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
Exam GUARANTEED PASS!!/Newest
2025/2026 Complete 170 Questions And
Correct Detailed Answers (Verified
Answers) |Already Graded A+||Brand
New Version!!
Convection is the transfer of ____ - 🧠 ANSWER ✔✔heat through a material
or substance
Radiation is the ____ - 🧠 ANSWER ✔✔projection of heat like the heat
radiated by the sun or by an open flame
T or F: Heat is always on the move, traveling only in one direction and
always from hot to cold - 🧠 ANSWER ✔✔false
What are two methods of heat transfer? - 🧠 ANSWER ✔✔conduction and
convection
,What are two basic forms of refrigeration systems? - 🧠 ANSWER ✔✔direct
expansion and gravity flooded
T or F: Conduction is the heat transferred due to the temperature being
different on one side of a room than the other like the heat rising in a room -
🧠 ANSWER ✔✔true
T or F: A basic refrigeration system consists of an expansion device, an
evaporator, a compressor, and a condenser connected by a series of pipes
- 🧠 ANSWER ✔✔true
T or F: Compression occurs as the ammonia refrigerant passes through the
evaporator - 🧠 ANSWER ✔✔false
T or F: The high side includes all components between the pressure
reduction device outlet to a point inside the compressor - 🧠 ANSWER
✔✔false
Heat contained in the area to be cooled and absorbed by the ammonia
refrigerant as it passes through the evaporator is called? - 🧠 ANSWER
✔✔the load
, The low side of an ammonia refrigeration system consists of ... - 🧠
ANSWER ✔✔the pressure reduction device and the condenser
T or F: Expansion occurs as the refrigerant flows through the compressor -
🧠 ANSWER ✔✔false
T or F: When a hand expansion valve is opened, pressure behind the valve
forces liquid ammonia through a small opening causing a deliberate
pressure drop to occur - 🧠 ANSWER ✔✔false
T or F: Evaporation takes place as the ammonia refrigerant flows through
the compressor - 🧠 ANSWER ✔✔false
T or F: The evaporation process is completed when the ammonia has
passed through the evaporator - 🧠 ANSWER ✔✔true
Absolute pressure is the pressure read by a gauge, plus the ____
atmospheric pressure - 🧠 ANSWER ✔✔ambient
T or F: A pumped liquid, or re-circulation single stage system consists of a
receiver, a king valve, a pressure reduction device, an evaporator, a
compressor, a condenser, a vessel, a pump and an additional flow
metering device - 🧠 ANSWER ✔✔true
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
