An evaporative condenser - Study guides, Class notes & Summaries
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HVAC EXCELLENCE ALREADY GRADED A
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HVAC EXCELLENCE ALREADY GRADED A 
Heat which causes a change in temperature of a substance is called ️sensible heat, 
Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this 
process la called? ️latent heat 
Heat added to the refrigerant in vapor state after the evaporation process is called, ️superheat 
A scroll compressor moves refrigerant by means of; ️involute spirals 
The movement of heat by way of fluid or is called; air ️convectio...
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Reta Test 1 Questions and Answers Graded A+
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Reta Test 1 Questions and Answers Graded A+ what does temperature indicate intensity of heat energy in an object 
what is required to move heat from one object to another temperature difference 
which of these is required to obtain a valid reading from a pressure temperature chart the refrigerant must be in a saturated condition 
which of these is an essential component of a mechanical refrigeration system expansion device 
what is a function of a compressor in a mechanical refrigeration system ...
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HVAC Air Condition Esco | 100% Correct Answers | Verified | Latest 2024 Version
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Heat which causes a change in temperature of a substance is called - Sensible Heat 
Heat added to a substance without a rise in temperature is called - Latent Heat 
Heat added to refrigerant in a vapor state after the evaporation process is called - Superheat 
A scroll compressor moved refrigerant by means of - Involute spirals 
The movement of heat by way of fluid is called - Convection 
The movement of heat through a solid object is called - Conduction 
The standard unit for measuring the quan...
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ABSA 4TH CLASS PART A REVIEW
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ABSA 4TH CLASS PART A REVIEW 
When applying to write a Power Engineer certificate of competency examination, the candidate must: Select one: 
a. Undergo mandatory drug testing 
b. Hold the next lower class of qualification 
c. Pass a criminal records check 
d. Pass both a written and oral examination 
b. Hold the next lower class of qualification 
 
 
A machine lifts a load of 12kN with an applied effort of 4kN. What distance will the load move if the effort moves a distance of 8m and the effici...
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ESCO Light Commercial Refrigeration EXAM Questions And Answers Rated A+.
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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 measurin...
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HVAC EXAM 3 QUESTIONS AND ANSWERS
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What is the purpose of an expansion tank? 
 
Remove air from the water 
Filter the water 
Allow for the introduction of make-up water 
Provide high and low limits on pressure 
Allow the water to cool - Answer- Provide high and low limits on pressure 
 
T or F 
 
A boiler room should be maintained at a negative pressure with respect to atmospheric conditions - Answer- False 
 
What is the name of the device used to remove foreign materials from a piping system? 
 
Union 
Pressure trap 
F...
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Hvac Journeyman Exam Questions and Answers Updated 2024/2025 | 100% Verified.
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Hvac Journeyman Exam Questions and Answers Updated 2024/2025 | 100% Verified. Defects on gas piping or fittings shall be _____.(A) repaired(B) replaced or repaired and 
retested(C) repaired by a certified welder(D) ignored, as the operating pressure is much 
less than the air test. - ANSWER-B. Fitting shall be replaced or repaired and retested. 
UMC Section 1316.4.3 
Every absorption refrigerating system supported from the ground shall rest on a 
concrete slab extending not less than _____ the a...
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HVAC Air Condition Esco | 100% Correct Answers | Verified | Latest 2024 Version
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HVAC Air Condition Esco | 100% Correct 
Answers | Verified | Latest 2024 Version 
Heat which causes a change in temperature of a substance is called - Sensible Heat 
 
Heat added to a substance without a rise in temperature is called - Latent Heat 
 
Heat added to refrigerant in a vapor state after the evaporation process is called - Superheat 
 
A scroll compressor moved refrigerant by means of - Involute spirals 
 
The movement of heat by way of fluid is called - Convection 
 
The movement of ...
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Hvac Journeyman Exam Questions and Answers Updated 2024/2025.
- Exam (elaborations) • 11 pages • 2024
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Hvac Journeyman Exam Questions and Answers Updated 2024/2025. Defects on gas piping or fittings shall be _____.(A) repaired(B) replaced or repaired and 
retested(C) repaired by a certified welder(D) ignored, as the operating pressure is much 
less than the air test. - ANSWER-B. Fitting shall be replaced or repaired and retested. 
UMC Section 1316.4.3 
Every absorption refrigerating system supported from the ground shall rest on a 
concrete slab extending not less than _____ the adjoining ground ...
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GCAP 2023 Questions With Correct Answers.
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A refrigerant line contains Ammonia at the following conditions: 80F, 120 PSIG - Answer-The line contains 
vapor 
A low temperature Ammonia booster compressor normally operates with a discharge temperature of 
120F. The temperature of the discharge vapor suddenly drops to 80F. What is indicated? - Answer-There 
is possibly liquid in the suction line 
Where can oil be drained from an Ammonia system - Answer-All the above 
the high pressure receiver, the low pressure receiver, oil pots and some ev...
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