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Hvac 102 Basic Electricity Final Exam Questions And Answers With Verified Solutions Already Passed!!! $14.49
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Hvac 102 Basic Electricity Final Exam Questions And Answers With Verified Solutions Already Passed!!!
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Hvac 102 Basic Electricity Final Exam Questions And Answers With Verified Solutions Already Passed!!!

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  • December 6, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • hvac 102 basic electricity final exam questions an
  • 1 which can replace a 220 volt 20 mfd capacitor
  • 2 when hooking up a transformer that has multiple
  • 3 if a circuit breaker or fuse trips immediately
  • 4

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  • Hvac electrical
  • Hvac electrical

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Hvac 102 Basic Electricity Final Exam
Questions And Answers With Verified
Solutions Already Passed!!!
1. Which can replace a 220 volt 20 MFD capacitor - 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 ________. - ANSWER✔✔ capped off with
wire buts individually. Preventing shorts


3. If a circuit breaker or fuse trips immediately upon power, most likely________ -
ANSWER✔✔ direct short to ground


4. When replacing a half horse motor with another half horse motor _________ -
ANSWER✔✔ check the amp draw and speed of the motor


WHEN RUNNING A 208-230v motor ________ - ANSWER✔✔ A. should be
208 - 230 volts


6. The reason for having a resistor solder to a start capacitor terminal is so
_________ - ANSWER✔✔ It will bleed off the wattage and keep the motor from
workin too hard


7. The purpose of a megohmmeter is to________. - ANSWER✔✔ can help to find
places in the windings where the insulation is getting weak

, The biggest advantage of an ECM motor is that _______ - ANSWER✔✔ It can
change its speed in response to what it senses in the system.


A split phase motor has a ____ winding and a _____ winding. - ANSWER✔✔
Start, run


The Back EMF of a motor is ________ - ANSWER✔✔ all the above (induced in
start winding, voltage is higher than applied voltage, used to operate a potential
relay


A split phase motor can use a ______ to energize and de energize The start
winding - ANSWER✔✔ Centrifugal switch


A current magnetic relay (CMR ) opens and closes it's contacts based on
________. - ANSWER✔✔ D. Current in the run winding


A permanent split capacitor (PSC) motor that is running and up to speed will have
the start winding ____. - ANSWER✔✔ in series with the run winding


A split phase motor that has a current relay and a start capacitor is called a
_______ - ANSWER✔✔ CSIR MOTOR capacitor start induction run motor


When a CSCR( capacitor start capacitor run initially starts , what is the total
capacitance acting on the motor? Assume the capacitor is 5 microfarads and the
start is 20 microfarads. - ANSWER✔✔ c1+c2 = 25 microfarads


When CSCR motor is running up to speed. What is the total capacitance acting on
the motor. Assume the run is 5 microfarads and the start is 20 microfarads -

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