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ESCO Light Commercial Refrigeration Exam With 100% Correct Answers Latest Update
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ESCO Light Commercial Refrigeration Exam With 100% CorrectAnswers Latest Update 2024-2025
Dry Type/Direct Expansion Evaporator The liquid refrigerant must boil away as close to
the end of the coil as possible to: - Answer
The temperature difference between the refrigerant boiling in the evaporator and the
temperature at the evaporator outlet is called: - Answer
A stuck open expansion device will: - Answer
When checking evaporator superheat on a commercial system that has a long suction
line, the pressure reading should be measured at the: - Answer
Superheat measurements are best taken at: - Answer
A technician is testing the superheat of a multiple circuit evaporator. The technician
finds one of the circuits having a higher superheat than others. This could be caused by:
- Answer
An external equalizer is used on a TEV on: - Answer
Dry type evaporators operate most efficiently with a superheat setting of about: -
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 period should be allowed to elapse between each superheat adjustment?
-Answer
A low temperature evaporator is used to cool either space or product refrigeration:
-Answer
Several special applications employ a aflooded evaporator (an evaporator that is
operated full of the refrigerant). nI order to maintain proper liquid refrigerant level in the
evaporator, a
type metering device is used. -Answer
A properly operating condenser will first; -Answer
The effect of an inefficient water cooled condenser will; - Answer
The refrigerant condensing temperature in a water cooled condenser is normally about
higher than the leaving water. - Answer
The refrigerant in an air cooled condenser will normally condense at approximately
higher temperature than the air passing over it. - Answer
Workable head pressure during periods of lowambient temperature can be achieved by
using; - Answer
Cooling towers that pass air over water to remove system heat are limited in capacity
by: - Answer
Parallel compressors often referred to as a rack system may use; - Answer
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