Aircraft Electrical
Wires
Batteries
Electrical Circuits
Meters
100

When flipping a switch there is a temporary high current draw. How are these switches designed to control that? 

Each switch is de-rated 

100

What are four different things you need to be aware of when selecting the correct type of wire for the type of environment?

  • TEMPERATURE

  • MOISTURE

  • FLUIDS

  • CHEMICALS

  • ABRASION

100

Why do you want to not have any open flames near or around batteries?  

Batteries emit hydrogen which is flammable.

100

What are current limiters and what are they used for? 

A slow-blow-fuse. 

They are designed to allow for temporary overloads without killing the circuit. 

100

What are the three main things that meters test for?

Voltage 

Resistance 

Amperage

200

Switches are rated under _________ and _________.  

Voltage and Amperage 

200

Splices should not be done within __________ inches of wire termination.  

12

200

When connecting and disconnecting batteries to be serviced, what is the proper procedure that you need to follow?  

Disconnect GROUND first then disconnect POSITIVE.

200

What are fuses and circuit breakers designed for? 

Protect aircraft wiring 

200

What does the Ohm Meter measure and does the power need to be turned off or on? 

Resistance

OFF 

300

A toggle switch should be installed so that the ON position is either _________ or _________.  

UP or FORWARD

300

What tools do you NOT want to use when stripping wires? 

DO NOT USE KNIFE, WIRE CUTTERS, TEETH, SANDPAPER, etc. 

always check for damage 

300

TRUE or FALSE, Each NICD battery is an individual cell that can be removed and replaced? 

TRUE 

300

Identify each symbol. 

1. Pull to open, Push to reset breaker

2. Push to reset circuit breaker

3. Switch type circuit breaker 

4. Fuse 

300

Voltmeters are connected in parallel or series? 

Parallel

400

TRUE or FALSE, you must have a resister to protect the diode when checking the voltage drop with a meter? 

True 

400

TRUE or FALSE, make sure you get the correct rated circuit breaker. 

TRUE 

400

What are the two different types of battery charging? 

Constant Current 

Constant Voltage 

400


What is the RCCR on a Voltage Regulator? 


 Reverse Current Cutout Relay 

400

TRUE or FALSE, Turn the power off before disconnecting any wires and plugging in the meter when checking for amperage. 

TRUE 

500

What is the purpose of the continuity checker on a meter? 

To check and make sure there is a complete circuit. 

500

Wires that are _____ of an inch from the hole going through a bulkhead needs to have a grommet. 

1/4

500

Aircraft is always at a constant ________ hertz. 

400

500

Identify each symbol 

1. Capacitor 

2. Resister 

3. Ammeter 

4. Variable Resistor - Rheostat 

500

TRUE or FALSE, ammeters are connected in series. 

TRUE