Hvac certification - Study guides, Class notes & Summaries

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...

Michigan Mechanic Certification- HVAC QUESTIONS & ANSWERS 2024 ( A+ GRADED 100% VERIFIED)

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...

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...

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...

SOS Mechanic Certification- HVAC Questions With Complete Solutions

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...

SOS Mechanic Certification- HVAC Questions and correct answers | already graded a+ | verified answers

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...

Michigan Mechanic Certification- HVAC Questions and Answers 100% Solved Cooling system leak diagnosis Correct answer Pressure test or dye test Purpose of a radiator Correct answer The purpose of the radiator is to dissipate heat that is picked up by coolant in the engine into the air passing through its fins and tubes Symptoms of low coolant Correct answer Engine overheating and no heat from the HVAC system Purpose of the thermostat Correct answer The purpose of the thermostat is to tr...