SELF-CHECK 3 ELECTRICAL (Ch. 11) Flashcards by Leif Brogren

How many AC inverters are installed in the standard G200 electrical system?

A. Two
B. One
C. None, it is an all DC airplane
D. Three

C. None, it is an all DC airplane

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How many generators are installed on the G200 and what are their voltage/amperage ratings?

A. One, 28V/400 amps
B. Two, 25V/400 amps
C. Three, 28V/400 amps
D. Two, 28V/400 amps

C. Three, 28V/400 amps

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Other than the emergency lights batteries and stand-by instrument batteries, how many batteries are installed on the G200?

A. Two main 24V/43AH, One emergency 24V/27AH
B. Two 24V/27 AH
C. Three 24V/43AH
D. One 28 V/43 AH

A. Two main 24V/43AH, One emergency 24V/27AH

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Which battery does the APU use for starting?

A. Left
B. Right
C. Emergency
D. All of them

B. Right

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When not being charged, how many minutes of power does the emergency battery supply to the emergency bus?

A. 10 minutes
B. 20 minutes
C. 30 minutes
D. 1 Hour

C. 30 minutes

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Which bus powers the heavy load consumers, such as the standby fuel pumps, electric motor (hydraulic) pump and ﬂ ap/slat motors?

A. Emergency Bus
B. Battery Bus
C. Left Main Bus
D. Right Main Bus

B. Battery Bus

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It is possible to connect the main batteries to the emergency bus through the battery bus by placing the emergency battery switch in the
OVRRD position ?

A. True
B. False

A. True

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During engine start, how is the emergency bus powered?

A. From the left main bus
B. From the right main bus
C. From the battery bus
D. From the emergency battery

D. From the emergency battery

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Generator load is limited to ____ amps for ____ minutes and ____ amps for ____ seconds.

A. 600, 2, 800, 5
B. 600, 5, 800, 5
C. 800, 2, 600, 5
D. 800, 5, 600, 2

A. 600, 2, 800, 5

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If one generator fails, the automatic load reduction relay is de-energized and the following consumers are depowered?

A. L and R windshield anti-ice, Baggage compartment heating
B. Galley loads
C. Copilot’s clock
D. Both A and B

D. Both A and B.
L and R windshield anti-ice, Baggage compartment heating.
Galley loads.

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What are the main batteries used for?

A. Backup power
B. Engine starts
C. Both A and B

C. Both A and B

Engine starts and Backup power.

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At what engine speed does the starter cut-out?

A. 40-43% N1
B. 40-43% N2
C. 35-40% N1
D. 35-40% N2

B. 40-43% N2

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To power the electrical system using external power, the _________
must be placed in the ON position, and there must be no _________.

A. Lights, undervoltage
B. External Power switch, undervoltage
C. External Power switch, overvoltage
D. None of the above

C. External Power switch, overvoltage.

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To restore external power following an overvoltage, the pilot must cycle
the EXT PWR switch to OFF/ RESET and then back to ON.

A. True
B. False

A. TRUE

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The crew will receive a BATTERY OVERHT caution message if the
battery temperature reaches ______.

A. 130ºF
B. 140ºC
C. 130ºC
D. 140ºF

D. 140ºF

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When is ignition provided to the engine ?

A. Ignition switch in AUTO during normal start
B. In ﬂ ight when the auto-relight occurs
C. Manually when the IGNITION switch is in the OFF position
D. Both A and B

D. Both A and B

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When does the auto-relight occur ?

A. N2 drop of 2.5% or more from the ﬂight idle(57% N2) below 35,000 ft
B. When the core temperature of the engine falls below 920ºC
C. Both A and B
D. None of the above

A. N2 drop of 2.5% or more from the flight idle(57% N2) below 35,000 ft

Can the engines be started with the EMERGENCY BATT switch in the
OFF posiiton?

A. No
B. Yes

B. Yes

What does the OVRRD L position on the EMERGENCY BUS switch do?

A. Connects the emergency bus to the right main bus
B. Powers the emergency bus from the left main bus
C. Connects the emergency battery to the right main bus
D. Connects the emergency battery to the left main bus

B. Powers the emergency bus from the left main bus

What does an EMER BUS FAIL message mean ?

A. The EMERG BATT switch is in the OFF position
B. Battery bus voltage below 18V
C. Emergency bus voltage below 18V
D. Either B or C

C. Emergency bus voltage below 18V

What does the EMER BATT DISCHARGE message mean?

A. The left main battery has failed
B. The emergency bus is fed by the emergency battery
C. Both A and B
D. The battery temperature is over 140º

B. The emergency bus is fed by the emergency battery

When does the battery temperature EICAS indication turn amber?

A. Battery temperature reaches 140ºF
B. Battery temperature is below 140ºF
C. Battery temperature is above 160ºF
D. None of the above

A. Battery temperature reaches 140ºF

When does the MAIN BATT DISCHARGE message come on ?

A. When one battery voltage is below 25 ± 0.1 VDC for more than 90
seconds
B. When both battery voltages are below 25 ± 0.1 VDC for more than
90 seconds
C. At least one engine is running
D. Both B and C

D. Both B and C

With Mod 20134 installed, if BATT MASTER switch is not in the OFF position and batteries are not being charged, what will alert the crew to battery discharge?

A. Flashing exit signs
B. Dead batteries in the morning
C. Lower anti-collision light is on
D. Audible warning

C. Lower anti-collision light is on.

How are the pilot and copilot map lights controlled? A. Switch on the overhead B. Switch on the side pedestals C. Switch on the center pedestal D. Switches on the respective yokes

D. Switches on the respective yokes

Where are the NO SMOKING and FASTEN SEAT BELTS advisory lights located ? A. On the ceiling B. In the individual seats C. On the side walls D. On the front wall next to the galley

C. On the side walls

When do the NO SMOKING and FASTEN SEAT BELTS lights come on automatically ? A. When ditching B. When the nose gear uplock is released C. When the slats are lowered D. They do not come on automatically

B. When the nose gear uplock is released

The emergency light system is tied into the main lighting system. A. True B. False

B. False

The external emergency lights include: A. Left main escape route and airstair light B. Right over-wing escape route light C. Right ground escape route light D. All of the above

D. All of the above

How are the emergency lights powered? A. Battery packs located on the emergency light boxes B. Left main battery C. Right main battery D. Emergency battery

A. Battery packs located on the emergency light boxes

What triggers illumination of the emergency lights if the switch is in the ARM position? A. Loss of an engine B. Reduction of light as sensed by a lumens sensor located in the cabin C. The resetting of any circuit breaker D. Loss of both distribution buses or loss of both generators

D. Loss of both distribution buses or loss of both generators.

How are the emergency light batteries charged? A. Continuously by the aircraft electrical system B. Once a month by maintenance C. Solar panels on the roof of the airplane D. They do not use batteries

A. Continuously by the aircraft electrical system.

The anti-collision lights are ____ on the ground and____ in the air? A. Green, red B. White, white C. Red, white D. Red, amber

C. Red, white

The taxi lights are located on the nosewheel gear strut. A. True B. False

A. True

What items are powered by the left hot battery bus?

Cabin door motor & lights, Entry light, Dome light, Left pylon light & Baggage compartment light.

What items are powered by the right hot battery bus?

Potable water, Parking brake, Fueling panel & Right pylon light.

When does the emergency battery power the emergency bus

During an engine start or when both generators fail.

What heavy load items are on the battery bus?

Standby fuel pumps, Flap/Slat drive motors, & Electric motor pump (hydraulic).

What are the amperage limits for the APU generator?

400 amps on the Ground, 265 amps to 20,000 feet, 120 amps to 30,000 feet, & 68 amps to 35,000 feet.

With external power connected and the external power switch in the ON position, what action is necessary before external power will charge the batteries?

Battery switches must be in the ON position.