A2.U8.SA.L2 Quiz - Electrical Systems

What component on an aircraft generates electricity from the engine? (A2.U8.SA.L2)

• Alternator
• Ammeter
• Fuse
• Voltage

True or False. If a pilot notices a high charge on the ammeter, he/she should: First, they should turn off the avionics master switch to protect the electronics. Then, turn off the main master switch and turn it back on again to reset the alternator. Finally, turn off all non-essential equipment to preserve power and land as soon as practical. (A2.U8.SA.L2)

• True
• False

Which of these aircraft components require electricity from the alternator to function? Select all that apply. (A2.U8.SA.L2)

• Engine
• Lights
• Propeller
• Radio
• Starter

Which component of a circuit is responsible for doing work? (A2.U8.SA.L2)

• Battery
• Load
• Switch
• Wire

What is the purpose of an alternator control unit? (A2.U8.SA.L2)

• Breaks the circuit in the event of an overload or malfunction
• Provides voltage and current
• Protects electrical components from power spikes
• Creates electricity used by electrical components

What indicators does a pilot use to monitor the status of electrical systems on the aircraft? Select all that apply. (A2.U8.SA.L2)

• Altimeter
• Ammeter
• Load meter
• Tachometer
• EGT gauge

What steps should a pilot take if they believe there is an electrical fire on board? Select all that apply. (A2.U8.SA.L2)

• File a new flight plan
• Extinguish the fire, if possible
• Declare an emergency
• Land as soon as possible
• Turn off the master switches

The ______________ in an aircraft is responsible for generating electricity by spinning an electromagnet inside a wire coil. The energy for this motion comes from the rotation of the motor. The amount of power the alternator generates is regulated by the rate of spin of the electromagnet. As the electrical demands of the airplane increase or decrease, the alternator will vary the spin rate of the electromagnet. (A2.U8.SA.L2)

• Starter
• Tachometer
• EGT gauage
• Alternator

What FIRST STEP should be taken during an electrical fire during flight? (A2.U8.SA.L2)

• Turn off all interior lights.
• Land immediately.
• Turn off the master switches.
• Extinguish the fire, if possible.

True or False. If the alternator of an engine fails, the electrical system will drain the battery. (A2.U8.SA.L2)

• True
• False