Oil Electrical Week 3 HW (NORA Ch
10, 11) QUESTIONS N ANSWERS
What does a interrupted ignition primary control mean. - correct answer ✔✔ It interrupts the
ignition transformer
____________________ employs an electrode spark for a brief period at the beginning of the
burners run cycle. Once a flame is established, the spark stops. - correct answer ✔✔
Interrupted ignition
A permanent split capacitor (PSC) motor that is running and up to speed will have the start
winding ____. - correct answer ✔✔ Energized
A permanent split-capacitor motor has a ____. - correct answer ✔✔ run capacitor only
A split-phase has a ____ winding and a ____ winding - correct answer ✔✔ start, run
A split-phase motor can use a ____ to energize and de-energize the start winding. - correct
answer ✔✔ potential relay, Current relay, centrifugal switch
If a motor hums but does not start, there is a potential problem ____. - correct answer ✔✔ with
the starting components, with an open winding, with insufficient supply voltage
The wiring and connectors that carry the power to a motor must be in good condition. When a
connection becomes loose, oxidation of the copper wire occurs. The oxidation ____. - correct
answer ✔✔ acts as an electrical resistance and causes the connection to heat more
10, 11) QUESTIONS N ANSWERS
What does a interrupted ignition primary control mean. - correct answer ✔✔ It interrupts the
ignition transformer
____________________ employs an electrode spark for a brief period at the beginning of the
burners run cycle. Once a flame is established, the spark stops. - correct answer ✔✔
Interrupted ignition
A permanent split capacitor (PSC) motor that is running and up to speed will have the start
winding ____. - correct answer ✔✔ Energized
A permanent split-capacitor motor has a ____. - correct answer ✔✔ run capacitor only
A split-phase has a ____ winding and a ____ winding - correct answer ✔✔ start, run
A split-phase motor can use a ____ to energize and de-energize the start winding. - correct
answer ✔✔ potential relay, Current relay, centrifugal switch
If a motor hums but does not start, there is a potential problem ____. - correct answer ✔✔ with
the starting components, with an open winding, with insufficient supply voltage
The wiring and connectors that carry the power to a motor must be in good condition. When a
connection becomes loose, oxidation of the copper wire occurs. The oxidation ____. - correct
answer ✔✔ acts as an electrical resistance and causes the connection to heat more
