ESCO LIGHT COMMERCIAL
REFRIGERATION ACTUAL EXAM PAPER
2026 QUESTIONS WITH SOLUTIONS
GRADED A+
◉ The difference between the temperature of the refrigerant boiling
in the evaporator and the temperature at theevaporator outlet is
known as:
Answer:
◉ An expansion device that is stuck open will cause:
Answer:
◉ When measuring evaporator superheat on a commercial system
that has a long suction line, the pressure reading should be taken at
the:
Answer:
◉ Superheat measurements are best taken:
Answer:
, ◉ Atechnician is checking the superheat on a multi-circuit
evaporator and finds one of the circuits has a superheat that is
higher than the others. This could be caused by:
Answer:
◉ A TEV with an external equalizer is used on:
Answer:
◉ Dry type evaporators operate most efficiently with a superheat
setting of approximately:
Answer:
◉ An evaporator used to chill liquids si operating with a normal
superheat setting, but the system is not cooling the product properly.
Which of the following is the most likely cause?
Answer:
◉ What time interval is required between each superheat
adjustment?
Answer:
◉ Alow temperature evaporator used for cooling space or product
refrigeration:
Answer:
REFRIGERATION ACTUAL EXAM PAPER
2026 QUESTIONS WITH SOLUTIONS
GRADED A+
◉ The difference between the temperature of the refrigerant boiling
in the evaporator and the temperature at theevaporator outlet is
known as:
Answer:
◉ An expansion device that is stuck open will cause:
Answer:
◉ When measuring evaporator superheat on a commercial system
that has a long suction line, the pressure reading should be taken at
the:
Answer:
◉ Superheat measurements are best taken:
Answer:
, ◉ Atechnician is checking the superheat on a multi-circuit
evaporator and finds one of the circuits has a superheat that is
higher than the others. This could be caused by:
Answer:
◉ A TEV with an external equalizer is used on:
Answer:
◉ Dry type evaporators operate most efficiently with a superheat
setting of approximately:
Answer:
◉ An evaporator used to chill liquids si operating with a normal
superheat setting, but the system is not cooling the product properly.
Which of the following is the most likely cause?
Answer:
◉ What time interval is required between each superheat
adjustment?
Answer:
◉ Alow temperature evaporator used for cooling space or product
refrigeration:
Answer: