ESCO Light Commercial Refrigeration EXAM Questions And Answers Rated A+.
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ESCO Light Commercial Refrigeration
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ESCO Light Commercial Refrigeration
ESCO Light Commercial Refrigeration EXAM Questions And Answers Rated A+.
In a dry type (direct expansion) evaporator, liquid refrigerant must boil away as close to the end of the coil as possible in order to: - correct answer.
The difference between the temperature of the refriger...
ESCO Light Commercial Refrigeration
EXAM Questions And Answers Rated A+.
In a dry type (direct expansion) evaporator, liquid refrigerant must boil away as close to
the end of the coil as possible in order to: - correct answer.
The difference between the temperature of the refrigerant boiling in the evaporator and
the temperature at theevaporator outlet is known as: - correct answer.
An expansion device that is stuck open will cause: - correct answer.
When measuring evaporator superheat on a commercial system that has a long suction
line, the pressure reading should be taken at the: - correct answer.
Superheat measurements are best taken: - correct 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: -
correct answer.
A TEV with an external equalizer is used on: - correct answer.
Dry type evaporators operate most efficiently with a superheat setting of approximately:
- correct 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? - correct answer.
What time interval is required between each superheat adjustment? - correct answer.
Alow temperature evaporator used for cooling space or product refrigeration: - correct
answer.
Some special applications use aflooded evaporator (operated full of refrigerant). nI
order to maintain the proper level of liquid refrigerant, a
, type metering device is used. - correct answer.
A properly functioning condenser will first; - correct answer.
The effect of an inefficient water cooled condenser will; - correct answer.
The refrigerant condensing temperature in a water cooled condenser is normally about
higher than the leaving water. - correct answer.
The refrigerant in an air cooled condenser will normally condense at approximately
higher temperature than the air passing over it. - correct answer.
Workable head pressure during periods of lowambient temperature can be achieved by
using; - correct answer.
Cooling towers that pass air over water to remove system heat are limited in capacity
by: - correct answer.
Parallel compressors often referred to as a rack system may use; - correct answer.
The major difference between a cooling tower and an evaporative condenser is: -
correct answer.
Multiple compressors provide: - correct answer.
Adirty evaporator and subsequent low evaporator pressures will cause: - correct
answer.
he thermostatic expansion valve (TV) maintains a constant__________ in the
evaporator. - correct answer.
What type of ice si made with a commercial cie maker that uses a gear motor and
auger? - correct answer.
Some capillary tube systems take advantage of heat exchange by soldering the
capillary tube to the suction line. In order to obtain the correct superheat reading, it must
be taken: - correct answer.
A_____________is usually required for ultra-low temperature applications. - correct
answer.
A hot gas defrost cycle can be initiated by a: - correct answer.
When the defrost cycle is terminated, the evaporator fans will: - correct answer.
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