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WorksheetsBlock 6 SLIDE DAY 2 Q/A
Total questions: 18
Worksheet time: 9mins
Can carbon and water be used as conductors?
Yes
No
Three major parts of DC Generator.
Field frame, rotating armature, brush assembly
Commutator, field magnet, magnetic field
Armature, Rotor, Commutator
Located at the end of an armature and consists of copper segments divided by a thin insulator?
Diode
Commutator
Field Coil
The Insulator is often made from the mineral?
Silicon
Germanium
Mica
Three Types of DC Generators.
Series wound/ parallel wound/ shunt wound
Series wound/ parallel wound/ series-parallel
Series wound/ parallel wound/ complex wound
What type of DC generator is not used in Aviation?
Complex wound
Parallel wound
Series wound
What does GCU stand for?
Generator Circuit Unit
Generator Connection Unit
Generator Control Unit
What are the functions of GCU?
Controls BPCU
Monitors electrical systems
Voltage Regulation
The materials commonly used for brushes is?
Low grade bristle
Midgrade carbon
High-grade carbon
What are the Three Unit Regulator functions?
Voltage regulator, current limiter, reverse current relay
Overload regulator, phase shifter, current drawer
Reverse relay, shunt limiter, current pulse
DC alternator contain two major components?
Armature winding / field winding
Iron core / field magnets
Commutator / brush assembly
Alternator Control unit function is?
Adjust field current rectifies the over voltage
Adjust the rectifier circuit for low current control
Adjusting the alternator field current controls alternator output
The invention of the diode has made the development of the _____ possible.
Generator
Alternator
Primary Battery
Zener diode acts like?
a rectifier
three unit voltage regulator
a capacitor
a resistor
Inverter changes what to what?
D/C to A/C
D/C to D/C
A/C to D/C
What does CSD stand for?
Cycle speed drive
Constant speed drop
Constant speed drive
CSD ensure the alternator rotates at?
Correct drive to ensure a 500 Hz frequency
Idle speed to ensure a 500 Hz frequency
Correct speed to ensure 400 Hz frequency
What are the two most common AC alternator computerized control units to provide safety in the event of system failure?
GCU / BPCU
GCC / BPCU
GCU/ BPPU
