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Quiz: 6 Questions About Aircraft Electrical Systems

This story was made in partnership with Republic Airways. Check out the full series here, and find out what Republic is doing as a leader in the industry here.
Boldmethod

There is more to your electrical system than just flipping switches.


  1. 1) A hot bus is ________. An example of a component that would be connected to a hot bus is _______.

    A hot bus is a bus that is under a constant supply of power even when the aircraft is turned off. A component of the airplane that would be required to have power supplied to it at all times would be a clock.

    A hot bus is a bus that is under a constant supply of power even when the aircraft is turned off. A component of the airplane that would be required to have power supplied to it at all times would be a clock.

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  2. 2) AC power is converted to DC through __________. In the absence of an AC power source, DC power from the batteries is converted to AC through ___________.

    AC is converted to DC through a transformer rectifier unit and DC is converted to AC through an inverter.

    AC is converted to DC through a transformer rectifier unit and DC is converted to AC through an inverter.

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  3. 3) What is the difference between an alternator and a generator?

    An alternator is lighter in weight, produces AC power and can supply more power at lower RPMs than a generator can. A generator is heavier and produces either DC or AC power.

    An alternator is lighter in weight, produces AC power and can supply more power at lower RPMs than a generator can. A generator is heavier and produces either DC or AC power.

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  4. 4) Which electrical component on a small piston aircraft is completely isolated from the regular electrical system?

    Magnetos are entirely self-sufficient. This means, in the event of a total electrical failure, the magnetos still work fine.

    Magnetos are entirely self-sufficient. This means, in the event of a total electrical failure, the magnetos still work fine.

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  5. 5) This electrical element has the ability to store an electric charge. It's called a ________.

    Capacitors have the ability to store electrical chargers and are used to power components such as windshield wipers and electrical fuel quantity indicating systems.

    Capacitors have the ability to store electrical chargers and are used to power components such as windshield wipers and electrical fuel quantity indicating systems.

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  6. 6) What is an advantage of a circuit breaker over a fuse?

    A fuse needs to be replaced whereas circuit breakers do not.

    A fuse needs to be replaced whereas circuit breakers do not.

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Find out what Republic is doing as a leader in the industry here.


Corey Komarec

Corey is an Embraer 175 First Officer for a regional airline. He graduated as an aviation major from the University of North Dakota, and he's been flying since he was 16. You can reach him at corey@boldmethod.com.

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