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HVAC 102 BASIC ELECTRICITY FINAL EXAM Latest Update Actual Exam from Credible Sources with 50 Questions and Verified Correct Answers Golden Ticket to Guaranteed A+ Verified by Professor$20.49
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HVAC 102 BASIC ELECTRICITY FINAL EXAM Latest Update Actual Exam from Credible Sources with 50 Questions and Verified Correct Answers Golden Ticket to Guaranteed A+ Verified by Professor
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HVAC 102 BASIC ELECTRICITY
Institution
HVAC 102 BASIC ELECTRICITY
HVAC 102 BASIC ELECTRICITY FINAL EXAM Latest Update Actual Exam from Credible Sources with 50 Questions and Verified Correct Answers Golden Ticket to Guaranteed A+ Verified by Professor
HVAC 102 BASIC ELECTRICITY FINAL EXAM
Latest Update 2024-2025 Actual Exam from
Credible Sources with 50 Questions and Verified
Correct Answers Golden Ticket to Guaranteed
A+ Verified by Professor
. If a run capacitor goes bad on a PSC (permanent split capacitor) motor _______. -
CORRECT ANSWER: D. All of the above - It will run slowly ; inefficiently / run
backwards / overload
1. Which can replace a 220 volt 20 MFD capacitor - CORRECT ANSWER: D. None of
the above (All options don't make sense) (microfarads can't differ from replacement?)
2. When hooking up a transformer that has multiple primary leads for different voltages
the unused leads would be ________. - CORRECT ANSWER: capped off with wire buts
individually. Preventing shorts
3. If a circuit breaker or fuse trips immediately upon power, most likely________ -
CORRECT ANSWER: direct short to ground
4. When replacing a half horse motor with another half horse motor _________ -
CORRECT ANSWER: check the amp draw and speed of the motor
6. The reason for having a resistor solder to a start capacitor terminal is so _________ -
CORRECT ANSWER: It will bleed off the wattage and keep the motor from workin too
hard
7. The purpose of a megohmmeter is to________. - CORRECT ANSWER: can help to
find places in the windings where the insulation is getting weak
, A (PSC) permanent split capacitor motor has a blank _________. - CORRECT
ANSWER: run capacitor only
A common practice in condensing units is to use a contactor which only opens one leg
so that ______. - CORRECT ANSWER: provide off cycle heat to the compressor
A current magnetic relay (CMR ) opens and closes it's contacts based on ________. -
CORRECT ANSWER: D. Current in the run winding
A direct drive motor is usually connected to a load with _________. - CORRECT
ANSWER: a coupling
A fuse for a motor circuit has to be different than the type of fuse used for heater
circuits. - CORRECT ANSWER: C. there has to be a time delay because of LRA
A permanent split capacitor (PSC) motor that is running and up to speed will have the
start winding ____. - CORRECT ANSWER: in series with the run winding
A service factor of an electrical motor is determined by ________. - CORRECT
ANSWER: motors reserve capacity
A sleeve bearing would typically be used in a motor that operates with a ________. -
CORRECT ANSWER: a light load where noise is a factor
A split phase motor can use a ______ to energize and de energize The start winding -
CORRECT ANSWER: Centrifugal switch
A split phase motor has a ____ winding and a _____ winding. - CORRECT ANSWER:
Start, run
A split phase motor that has a current relay and a start capacitor is called a _______ -
CORRECT ANSWER: CSIR MOTOR capacitor start induction run motor
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