Question: A mega ohmmeter can detect:
Answer: Insulation faults.
Moisture.
Contamination.
Question: A one horsepower motor with a service factor of 1.2 can safely produce:
Answer: 1.2 HP.
Question: An open internal motor overload is distinguished by:
Answer: Infinite resistance between run and common.
Measurable resistance between run and start.
Infinite resistance between start and common.
Question: An open winding falls into which general motor failure area?
Answer: Electrical problem
Question: Belt tension should be checked every:
Answer: 6 months
Question: Besides using a 20,000 Ohm 2 watt resistor capacitors can be safely discharged by setting a meter to read DC volts.
Answer: True
Question: Electrical insulation is classified by the ________ stability of the materials that are used for the winding.
Answer: Temperature
Question: Grounded windings can be detected by measuring the resistance with a multimeter between:
Answer: The windings and the motor frame.
Question: Larger blower wheels are typically operated by _______________ motors
Answer: belt driven
Question: Manufacturers often recommend adding what component to split systems with unusually long refrigerant lines?
Answer: Hard start kit