RETA CARO EXAM LATEST 2025/2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
Air cooled condensers usually have - ANSWER-higher head
pressures than evaporative condensers
What are the two types high pressure receivers based on ho
w liquid flows into them ? - ANSWER-Surge and through type
It is good practice to only fill a vessel how full with liquid ? -
ANSWER-80 %
Bottling is defined as - ANSWER-refrigerant held in the condenser
due to the pressure difference at the outlet of the condenser
caused by active and inactive condenser circuits
What is a non condensable gas in a refrigeration system ? -
ANSWER-A gas that cannot be condensed at the temperatures
and pressures in the system
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In refrigeration , what does purging refer to ? - ANSWER-
Removing non condensables from the system
What effect does the presence of non condensable gas have on
the power required to produce refrigeration ? - ANSWER-Non
condensables cause an increase in power consumption
What is the primary advantage of using a refrigerated auto purger
over manually purging directly from the system - ANSWER-Less
refrigerant lost per pound of non condensable gas removed
What are the main advantages of axial fan condensers ? -
ANSWER-It is more energy efficient
A shortage of water in a shell and tube condenser will cause the -
ANSWER-head pressure to increase
Desuperheating coils are effective in - ANSWER-reducing
discharge gas temperature entering the condenser
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Before the formation of liquid occurs in the condenser , the
refrigerant vapor must be - ANSWER-desuperheated
Which of the following expansion devices would not normally be
used as a part of a small refrigeration system ? - ANSWER-Hand
expansion valve
Gravity feed flooded evaporators - ANSWER-provide the
maximum heat transfer for given evaporator size .
The pumped recirculated type evaporator - ANSWER-does not
have to be close to the vessel that feeds it liquid
Which of the following secondary cooling devices operates as a
thermal storage device ? - ANSWER-Ice builder
Plate freezers achieve fast freezing because of - ANSWER-close
package contact with the plates and close refrigerant contact with
the plates