- Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about ? On this page you'll find 67 study documents about .
67 results
Exam (elaborations)
Air Conditioning Exam 2025 Newest Exam Questions And Correct Answers | Passed
NewAir Conditioning Exam 2025 Newest Exam Air Conditioning Exam 2025 Newest Exam Questions And Correct Answers | Passed 
 
Where do the packs distribute air to? - Answer- Pack 1: Flight Deck/Cabin 
Pack 2: Cabin 
 
Air to cool the forward electronic bay is taken from: - Answer- The Flight Deck 
 
There are______ fans in the aft electronic bay - Answer- 0 
 
The gasper air distribution system provides air to: - Answer- Each pilot and passenger position 
 
How many ECS (Environmental Control System) ...
Exam (elaborations)
ESCO Air Conditioning Exam with All Correct & 100% Verified Answers |Latest Update| Already Graded A+
NewESCO Air Conditioning Exam with All Correct & 100% Verified Answers |Latest Update| Already Graded A+
Exam (elaborations)
Air Conditioning Certification Exam (Exam Code A-02) questions and answers rated A+
Air Conditioning Certification Exam (Exam Code A-02) questions and answers rated A+
Exam (elaborations)
Air Conditioning Certification Exam 2025 Questions And Answers
Sensible heat - ANS Heat that causes change in temperature of a substance 
latent heat - ANS Heat that is added with out a rise in temperature 
super heat - ANS Heat added to refrigerant in vapor state after evaporation process is 
involute spirals - ANS Scroll compressor moves refrigerant by means of 
convection - ANS movement of heat by way of fluid or air 
conduction - ANS movement of heat by way of solid 
BTU - ANS Standard unit for measuring heat 
Condensor - ANS refrigerant gives up heat i...
Exam (elaborations)
ATA CODES with their meaning
ATA CODES with their meaning 
ATA CODES with their meaning 
ATA CODES with their meaning 
ATA CODES with their meaning 
ATA CODES with their meaning
Exam (elaborations)
A320 - ATA 21 AIR CONDITIONING 131 complete solutions.
A320 - ATA 21 AIR CONDITIONING 131 complete solutions. 
A320 - ATA 21 AIR CONDITIONING 131 complete solutions. 
A320 - ATA 21 AIR CONDITIONING 131 complete solutions. 
A320 - ATA 21 AIR CONDITIONING 131 complete solutions.
Exam (elaborations)
Air Conditioning Exam Questions with Verified Solutions Rated A+ Latest Update 2025-2026
Air Conditioning Exam Questions with Verified Solutions Rated A+ Latest Update 
CFCs - Answers Which refrigerants contain the most chlorine? 
July 1, 1992 - Answers As of what date did it become unlawful to intentionally release Class I and Class II refrigerants to the atmoshpere 
HFCs - Answers Which refrigerants have the lowest ozone depletion potential (ODP)? 
Chlorine - Answers The molecule found in CFC and HCFC refrigerants that destroys ozone in the stratosphere is 
Three oxygen atoms - A...
Exam (elaborations)
Heating, Ventilating and Air-Conditioning (HVAC)
Heating, Ventilating and Air-Conditioning (HVAC) 
What is the primary purpose of a heating, ventilating, and air-conditioning (HVAC) system? 
To maintain indoor air quality and thermal comfort by controlling temperature, humidity, and air circulation. 
What is the function of a heat exchanger in an HVAC system? 
To transfer heat between two or more fluids without them mixing. 
What is the role of a thermostat in an HVAC system? 
To regulate the temperature by turning the HVAC system on or off ba...
Exam (elaborations)
Air Conditioning Certification Exam Questions With Verified Solutions.
A faulty condenser fan motor on an air conditioning system will cause these symptoms..... - Answer High suction pressure and high discharge pressure 
 
When connecting copper to steel the recommended brazing filler alloy is a... - Answer 45 percent silver alloy 
 
A partially iced over evaporator can be caused by... - Answer An undercharge 
 
Heat added to the refrigerant in vapor state after the evaporation process is called.... - Answer Superheat 
 
Why must refrigerant in the suct...
Exam (elaborations)
A/C Midterm Exam Questions And Already Passed Answers.
The A/C condenser is normally positioned: - Answer In front of the radiator 
 
Heat is transferred from areas of: - Answer Higher temperature to lower temperature, 2nd Law of Thermodunamies states that heat always flows from got to cold 
 
The O-rings used for R-12 and R-134a type A/C systems are being discussed. Tech A says that given the same dimensions, NBR O-rings may be used in either system. Tech B says that H-NBR O-rings with the same dimensions may be used with either system. Who i...
Exam (elaborations)
Test Bank For Todays Technician Automotive Heating & Air Conditioning
Test Bank For Todays Technician Automotive Heating & Air Conditioning
Exam (elaborations)
Air conditioning Certification practice test Exam Questions with Correct Verified Solutions 100% Guaranteed Pass
Air conditioning Certification practice test Exam Questions with Correct Verified Solutions 100% Guaranteed PassAir conditioning Certification practice test Exam Questions with Correct Verified Solutions 100% Guaranteed PassAir conditioning Certification practice test Exam Questions with Correct Verified Solutions 100% Guaranteed PassAir conditioning Certification practice test Exam Questions with Correct Verified Solutions 100% Guaranteed PassAir conditioning Certification practice test Exam Qu...
Package deal
Air Conditioning Bundled Exam Questions Package with Correct Answers
Air Conditioning Bundled Exam Questions Package with Correct Answers
Package deal
Air Conditioning Certification Questions and Verified Answers Pack | Passed | A+
Air Conditioning Certification Questions and Verified Answers Pack | Passed | A+
Exam (elaborations)
Air Conditioning Certification Questions and Verified Answers | Passed | A+
sensible heat 
: Heat that causes change in temperature of a substance 
latent heat 
: Heat that is added with out a rise in temperature 
super heat 
: Heat added to refrigerant in vapor state after evaporation process is 
involute spirals 
: Scroll compressor moves refrigerant by means of 
convection 
: movement of heat by way of fluid or air 
2 
conduction 
: movement of heat by way of solid 
BTU 
: Standard unit for measuring heat 
Condensor 
: refrigerant gives up heat in the 
liquid sluggin...
Exam (elaborations)
Air conditioning Certification practice test Questions and Verified Answers | Passed | A+
What is the movement of heat through space called? 
: Radiation 
A refrigerant release heat when 
: It condenses 
Why is it desirable for refrigerant in the suction line to be slightly superheated? 
: To insure liquid refrigerant does not enter the compressor 
A 30 pound cylinder of reclaimed R-22 refrigerant has been stored over night at 70 degrees 
F. What should be the approximate pressure in the cylinder? 
: 121 psig 
2 
14.7 psia( pouds per square inch absolute) is 
: Approximately 0 PSIG ...
Exam (elaborations)
Air Conditioning Certification Exam (Exam Code A-02) Questions and Verified Answers | Passed | A+
Heat which causes a change in temperature of a substance is called; 
: sensible heat. 
Heat which causes a change in state of a material without a change in temperature is called; 
: latent heat. 
Heat which is added to a vapor after the change of state occurs is called; 
: superheat. 
Heat can travel by; 
: conduction, convection, radiation. 
The movement of heat by way of fluid (or air) is called; 
2 
: convection . 
The movement of heat by direct contact is called; 
: conduction . 
The standa...
Exam (elaborations)
Air Conditioning Certification PAST EXAM QUESTIONS & ANSWERS
Heat which causes a change in temperature of a substance is called; -sensible heat. 
Heat which causes a change in state of a material without a change in temperature is called; - 
latent heat. 
Heat which is added to a vapor after the change of state occurs is called; -superheat.
Exam (elaborations)
Air Conditioning TOP Exam Guide Questions and CORRECT Answers
Cause of most freeze up problems in steam coils? 1) Coils handling 100% outside air 
OR 
2) An incorrect blend of outside air and return air. 
Coil tube length where danger of freeze-up is minimal? 1.1 meters or less. Tube length 
is negligible as long as the steam trap is properly chosen and the coil is properly piped to 
ensure proper drainage of the condensate. 
Freezing occurs in coils with long tube lengths at what temperatures? why? Around -2, 
-1 degrees C because this situation leads...
Exam (elaborations)
Air Conditioning PASSED Exam Questions and CORRECT Answers
The ram air doors normally modulate to full OPEN when the aircraft is ____. - in flight 
with flaps not fully retracted or on the ground 
The APU can supply bleed air for the pack up to ____. - 17,000 feet or 10,000 feet if 
the APU is also providing electricity 
The mix manifold receives air from the ____. - left pack, right pack, recirculation fan, 
and pre-conditioned air 
What is the primary source of conditioned air for the cockpit? - Left PACK 
The primary purpose of the recirculation f...