When flipping a switch there is a temporary high current draw. How are these switches designed to control that?
Each switch is de-rated
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
Why do you want to not have any open flames near or around batteries?
Batteries emit hydrogen which is flammable.
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.
What are the three main things that meters test for?
Voltage
Resistance
Amperage
Switches are rated under _________ and _________.
Voltage and Amperage
Splices should not be done within __________ inches of wire termination.
12
When connecting and disconnecting batteries to be serviced, what is the proper procedure that you need to follow?
Disconnect GROUND first then disconnect POSITIVE.
What are fuses and circuit breakers designed for?
Protect aircraft wiring
What does the Ohm Meter measure and does the power need to be turned off or on?
Resistance
OFF
A toggle switch should be installed so that the ON position is either _________ or _________.
UP or FORWARD
What tools do you NOT want to use when stripping wires?
DO NOT USE KNIFE, WIRE CUTTERS, TEETH, SANDPAPER, etc.
always check for damage
TRUE or FALSE, Each NICD battery is an individual cell that can be removed and replaced?
TRUE
Identify each symbol.
1. Pull to open, Push to reset breaker
2. Push to reset circuit breaker
3. Switch type circuit breaker
4. Fuse
Voltmeters are connected in parallel or series?
Parallel
TRUE or FALSE, you must have a resister to protect the diode when checking the voltage drop with a meter?
True
TRUE or FALSE, make sure you get the correct rated circuit breaker.
TRUE
What are the two different types of battery charging?
Constant Current
Constant Voltage
What is the RCCR on a Voltage Regulator?
Reverse Current Cutout Relay
TRUE or FALSE, Turn the power off before disconnecting any wires and plugging in the meter when checking for amperage.
TRUE
What is the purpose of the continuity checker on a meter?
To check and make sure there is a complete circuit.
Wires that are _____ of an inch from the hole going through a bulkhead needs to have a grommet.
1/4
Aircraft is always at a constant ________ hertz.
400
Identify each symbol
1. Capacitor
2. Resister
3. Ammeter
4. Variable Resistor - Rheostat
TRUE or FALSE, ammeters are connected in series.
TRUE