Electrical Flashcards
Questions
How long will the Battery Last while powering the Entire Aircraft (In Emergency)?
10 Minutes (30 Minutes)
If the red battery over temp annunciator light segment flashes the battery switch should be initially placed to \_\_\_\_\_\_\_\_\_\_\_\_ To isolate the battery from the generators and check for an amperage decrease A. Off B. Emer C. Either A or B D. None of the Above
B
Generators on-line BATT switch ON with a voltage metre selector switch remaining in BATT the voltmeter gauge will indicate
A. Generator system voltage 28.5 V from the battery bus
B. Generator system voltage 28.5 V from the crossfeed bus
C. Battery voltage 24-25 V from the battery bus
D. Battery voltage 24-25 V from the crossfeed bus
A
Generators on line BATT switch OFF voltage selector BATT, the voltmeter gauge will indicate. A. 24 to 24 V B. 28.5 V C. no voltage D. none of the above
C
If the GEN OFF L annunciator segment illuminates.
A. The right generator ammeter gauge should indicate double the previous load.
B. The left generator amperage will drop to 0.
C. The voltmeter should register 0 with the voltimeter selector remaining in the BATT position.
D. Both A. and B.
D
If both GEN. OFF L and R annunciator segments illuminate simultaneously.
A. The MASTER CAUTION RESET light will illuminate steady.
B. The MASTERS WARNING RESET light will eliminate flashing.
C. Both A and B.
D . Only the GEN. OFF L and R annunciator segments of Flash
C
If the AFT J-Box-LMT annunciator segment illuminates indicates what?
An AFT J-Box 225 amp feed bus current limiter is open
If both generators have tripped off line and unable to reset, and the BATT switch is placed in EMER the following equipment is Inoperative.
A. Standby HSI
B. Normal extension of the landing gear
C. Ignition
D. speedbreaks
D
With the BATT switch select to EMER select correct choice
A. Only the standby radio control head will be operational for air-to-ground communications.
B. AHRS 2 supplies heading information to the standby HSI.
C. AHRS1 supplies heading information to the standby HSI.
D. The secondary flight display may be used for an ILS approach APR switch depressed
B
If the battery overtemps and cannot be isolated battery isolation relay stuck closed.
A. Turn the BATT switch off and land as soon as practical.
B. Activate the battery disconnect switch.
C. After performing choice B if the BATT over temp is greater than a 160ﾟ annunciator segment begins to Flash land as soon as possible.
D. Both B & C
D
Select the correct statement concerning the use of a ground power unit.
A. Never connect the power cord to or remove it from the aircraft with power applied.
B. The battery will not receive a charge if the BATT switch is ON.
C. The GEN switches are placed in the OFF position for an engine start using the GPU.
D. The GPU ground unit must be regulated at 24 V and 8000 to 1000 amps.
D
The standby flight display emergency power system powers.
A. The pilot’s PFD with the battery switch set in EMER.
B. The standby HSI backlighting.
C. Did the standby flight display.
D. Both B & C
D
Selecting EMER with the B ATT switch.
A. Will allow the crossfeed bus to power all emergency systems.
B. Will render the voltmetre inoperative.
C. The battery will still receive a charge from the generators.
D. Allows only the EMER and BATTERY bus items to be powered.
D
By activating the INTERIOR MASTER switch.
A. The cabin light switches are disabled.
B. Turns on all of the reading lights.
C. Removes all power from the cabin aft of the cockpit.
D. Removes all interior power from the aircraft.
C
Which interior lights may be turned on with the BATT and GEN switches OFF?
A. Cabin entry, tailcone, and baggage lighting.
B. Cockpit flood, cabin indicator, tail cone, and battery compartment.
C. Cabin entry, tail cone, cockpit flood, and baggage lighting.
D. Cockpit flood, cabin flood, and baggage lighting.
A
