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lyss96 lyss96
wrote...
Posts: 548
Rep: 1 0
6 years ago
When checking the resistance of a dual voltage wye motor there should be ________ resistance readings.
 
  A) 9 B) 12 C) 3 D) 6



[Ques. 2] What is the most common temperature sensing element used for mechanical thermostats?
 
  A) Magnets B) Bimetal coil C) Mercury bulb D) Warped discs



[Ques. 3] When checking the resistance of a dual voltage delta motor there should be ________ resistance readings.
 
  A) 9 B) 12 C) 3 D) 6



[Ques. 4] What is used as the sensing element in a mechanical humidistat?
 
  A) A sensing bulb filled with water B) Mercury
  C) A nylon ribbon or hair D) A coiled piece of hygroscopic metal



[Ques. 5] The best way to diagnose an ECM motor is to:
 
  A) Turn off power to the unit, remove the control module, and ohm test the motor.
  B) Leave power on to the unit and check for voltages at the harness.
  C) Turn off power to the unit, remove the control harness, and connect a test controller.
  D) Turn off power to the unit, remove the control harness, and ohm test the lead end to end.
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Replies
wrote...
6 years ago
1)  D

2)  B

3)  A

4)  C

5)  C
lyss96 Author
wrote...
6 years ago
thanks for your help
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