Blower motor - Study guides, Class notes & Summaries
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Navy CS2 Exam 2024 with 100% correct answers
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Hydrostatic testing of steam jacket kettles is required on what basis? - correct answer Annually 
 
Hydrostatic testing of steam jacket kettles is required as per what instruction? (Ashore) - correct answer OPNAVINST 11000.16 
 
Steam jacket kettles vary in size from 5 to how many gallons? - correct answer 80 Gallons 
 
The griddle consists of cooking surfaces of various sizes up to 34 inches deep by how many inches wide? - correct answer 72 inches 
 
What are large frying pans with deep...
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SOS Mechanic Certificate - Electrical with 100% correct answers (latest update)
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After installing a new battery how long should you wait to allow for pcm time 
no need to wait 
 
 
 
As blower motor speed decreases the voltage drop across the resistance block.... 
increases 
 
 
 
What should you do first when replacing junction block or fuse? 
Unlock the battery ground cable 
 
 
 
The polarity of the voltage applied to the electromagnetic coils of an actual working DC motor is.... 
a commutator 
 
 
 
When performing a volt drop test the volt meter setting should be set to...
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NCCER Electrical Module 2 Level 2 Motors Theory and Application exam questions and answers
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How DC motors operate? 
Magnetic lines of force are continuous and always form closed loops; Magnetic lines of force do not cross. 
 
 
 
Armature: (Definition) 
The rotating windings of a DC motor. 
 
 
 
The ____ is a movable electromagnet located between the poles of another fixed permanent (field) magnet as shown. 
Armature 
 
 
 
A twisting force called ______ must be developed. _____ is produced by mounting a loop in a fixed magnetic field and as long as the fields of the magnet and armatu...
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Michigan Mechanic Certification- HVAC Latest Update Graded A+
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Michigan Mechanic Certification- HVAC 
 
Latest Update Graded A+ 
 
Cooling system leak diagnosis Pressure test or dye test 
 
Purpose of a radiator 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 Engine overheating and no heat from the HVAC system 
 
Purpose of the thermostat The purpose of the thermostat is to trap the coolant in the engine 
until it reaches it operating temp...
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Oil Burner License Exam 2023 Questions and Answers
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What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. 
 
What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. 
-Install a quality oil filter. 
-Cut the suction line 10" above the tank outlet to prevent sludge. 
 
Hot water and steam valves are interchangeable. - Answer- False 
 
When in the presence of a flame, a cad cell normally reads.. - Answe...
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Michigan Mechanic Certification- HVAC Latest Update Graded A+
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Michigan Mechanic Certification- HVAC 
Latest Update Graded A+ 
Cooling system leak diagnosis Pressure test or dye test 
Purpose of a radiator 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 Engine overheating and no heat from the HVAC system 
Purpose of the thermostat The purpose of the thermostat is to trap the coolant in the engine 
until it reaches it operating temperature 
C...
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HVAC Gas Heat certification exam Questions and Answers 100% Pass
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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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NATE Gas Heating Exam Verified Questions and answers 2023 Latest Update
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NATE Gas Heating Exam Verified 
Questions and answers 2023 
Latest Update 
Since 1992, the United States Department of Energy has required that all furnaces sold 
and installed from that date on must have an AFUE of no less than: 
A: 70% 
B: 75% 
C: 78% 
D: 80% - correct answer C: 78% 
Many pre-1992 furnaces have efficiencies around . 
A: 10% 
B: 40% 
C: 60% 
D: 80% - correct answer C: 60% 
Today, furnaces with AFUE ratings greater than are available. 
A: 85% 
B: 90% 
C: 100% 
D: 110% - correct ...
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HVAC NATE Gas Heat Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A
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HVAC NATE Gas Heat Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A 
 
 
Q: When starting up a dual system, the temperature rise method for determining airflow cannot be used with compressor cycle of the heat pump because: 
 
 
Answer: 
The capacity of the system varies too much with outdoor temperature. 
 
 
 
Q: The flame pattern a technician would expect to see on a properly operating single stage gas furnace equipped with "in shot" type burner is a:...
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HVAC Gas Heat Certification Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A
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HVAC Gas Heat Certification Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A 
 
 
Q: Why is excess air supplied to all gas-burning appliance burners? 
 
 
Answer: 
 to ensure that there is enough air all all times. 
 
 
 
Q: The purpose of a gas regulator at a gas burning appliance is to? 
 
 
Answer: 
 B. decreases the pressure to the burner 
 
 
 
Q: Ture or False: All gas valves snap open and closed. 
 
 
Answer: 
 False 
 
 
 
Q: Which of the followin...
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