Hvac certification Study guides, Class notes & Summaries
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HVAC Certification Exam Questions and CORRECT Answers
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HVAC Certification Exam Questions and 
CORRECT Answers 
The coolant bypass solenoid valve provides a second path for coolant to flow between the engine 
block and the: - AnsThermostat housing 
The heater core is an air to liquid heat exchanger similar to a radiator. - Ansfalse 
the 1.6l gtdi engine uses the no-flow coolant strategy in the engine block to: - AnsBoth a and b 
on vehicles equipped with the auto start-stop feature, such as the 2014 fusion, the cabin heater 
coolant pump will only...
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Michigan Mechanic Certification- HVAC QUESTIONS & ANSWERS 2024 ( A+ GRADED 100% VERIFIED)
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Michigan Mechanic Certification- HVAC QUESTIONS & ANSWERS 2024 ( A+ GRADED 100% VERIFIED)
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SOS Mechanic Certification- HVAC with 100% correct answers (latest update)
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What should be used when installing o rings 
Refrigerant oil not the right answer 
 
 
 
which of the following is true about thermostat 
all the above 
 
 
 
moisture contamination inside the air conditioning system can cause 
all the above 
 
 
 
a vehicle has low heater output which of the following would not cause this output 
restricted of leaves not the right answer 
 
 
 
when charging r12 to r134 the performance of which component must increase the most 
condenser 
 
 
 
a overcharged ai...
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SOS Mechanic Certification- HVAC Questions With Complete Solutions
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SOS Mechanic Certification- HVAC Questions With Complete Solutions
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SOS Mechanic Certification- HVAC with 100% correct answers (latest update)
- Exam (elaborations) • 13 pages • 2024
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moisture contamination inside the air conditioning system can cause 
all the above 
 
 
 
a vehicle has low heater output which of the following would not cause this output 
restricted of leaves not the right answer 
 
 
 
when charging r12 to r134 the performance of which component must increase the most 
condenser 
 
 
 
a overcharged air conditioning system is indicated by 
above normal gauge readings 
 
 
 
the high side reading is too high what should you do to correct this 
remove blockaga...
Too much month left at the end of the money?
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HVAC Gas Heat certification exam Questions and Answers 100% Pass
- Exam (elaborations) • 10 pages • 2024 Popular
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HVAC Gas Heat certification exam 
Questions and Answers 100% Pass 
A gas furnace is to be installed in a garage. The national standards require that the 
burners and ignition sources must be located ______ above the floor - Correct Answer ️️ 
-18 inches 
A good description of how a bi-metal fan switch operates the blower motor on a gas 
furnace is - Correct Answer ️️ -Temperature on- temperature off 
Redundant gas valves used on gas furnaces have - Correct Answer ️️ -Dual gas shut 
o...
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HVAC CERTIFICATION EXAM 2024 WITH 100% ACCURATE SOLUTIONS
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HVAC CERTIFICATION EXAM 2024 WITH 100% ACCURATE SOLUTIONS 
 
 
Propane and Butane are _______ than air: - correct answer Heavier 
 
What will be the resistance in the circuit if the supply voltage is 30V and current flowing through the circuit is 5A - correct answer 6 ohms 
 
Temperature at which oil starts to produce a waxy substance that may interfere with the refrigeration system - correct answer Floc point 
 
What manifold gauge set is used to charge, evacuate, add oil and recover refrigeran...
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HVAC Certification Practice Tests Questions and Answers Already Passed
- Exam (elaborations) • 3 pages • 2024
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HVAC Certification Practice Tests 
Questions and Answers Already Passed 
 
Propane and Butane are _______ than air: Heavier 
 
What will be the resistance in the circuit if the supply voltage is 30V and current flowing through 
the circuit is 5A 6 ohms 
 
Temperature at which oil starts to produce a waxy substance that may interfere with the 
refrigeration system Floc point 
 
What manifold gauge set is used to charge, evacuate, add oil and recover refrigerant from a 
refrigeration and air condi...
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SOS Mechanic Certification- HVAC Questions and correct answers | already graded a+ | verified answers
- Exam (elaborations) • 6 pages • 2024
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SOS Mechanic Certification- HVAC Questions and correct answers | already graded a+ | verified answers
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