Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

T-1 Jayhawk > Electrical System > Flashcards

Electrical System Flashcards

1
Q

There are __ DC buses

A

15

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

There are __ AC buses

A

6`

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The main aircraft battery is a __-volt, ___-____ battery

A

24-volt, lead-acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Ops limits for GPU (volts & amps)

A

28-28.5 V, 1,000 to 1,500 amps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Generators provide __ volts and ___ amps.

A

28 V, 400 amps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Location of the main aircraft battery

A

Aft fuselage compartment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Location of the standby battery

A

Aircraft nose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

With the Master L and R GEN switches in EMER, you will be down to…

A

… standby power only

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Each inverter converts DC power to __ and ___-volt, ___ Hz AC power

A

26 and 115-volt, 400 Hz

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What type of power (AC or DC) is used for most T-1A systems?

A

DC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Where are the generators located?

A

Engine accessory gearbox (lower front portion of engine)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Each generator has a ___ that controls starting & generating modes of operation

A

Generator Control Unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How many inverters does the T-1A have?

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What’s the visual cue that a push-pull circuit breaker has popped?

A

A white ring shows around the CB.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the 3 sources of DC power?

A

acft battery, external power, starter-generators

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Starter-generator requires __% N2 to produce the rated power output

A

58%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The GCUs work together to ____ the load between the generators

A

equalize

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

GCU removes power from the starter at approximately….

A

35-40% N2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

GCUs are located in the upper portion of the…

A

aft fuselage compartment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

The aircraft battery is rated at __ ampere-hours

A

40

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

How many feeder lines are on each side of the aircraft?

A

3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

How many feeder lines are normally active?

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What causes L or R BUS FDR FAIL to illuminate?

A

The third (standby) feeder line has become active.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

How many times can you reset BUS FDR circuit breakers?

A

0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Battery switch, in ON, power 3 relays:
Battery relay, Battery tie-in relay, Emergency bus power relay
26
On the Before Exterior Inspection, battery voltage should be...
22 to 24 volts
27
Don't start 2nd engine until 1st generator load is below...
150 amps
28
Prestart, engine starting, and emergency power is provided by the aircraft...
...battery
29
External power receptacle is located...
... on lower left side of fuselage
30
The ____ provides ground fault protection & voltage regulation for generators.
GCU
31
The ___ provides a connection for all DC power
battery charge bus
32
The LH and RH bus-tie RCCBs tie the LH and RH ___ buses to the ___ bus
main; battery charge
33
What are the 2 primary buses for secondary power distribution?
load buses
34
Placing battery switch to EMER isolates the ___, & connects the battery to the ____bus
start bus; emergency bus
35
What's the max operating load for 1 generator at FL200?
400 amps
36
What's the max load for each generator on the ground?
280 amps
37
With 2 generators operating, what's the max load for each?
280 amps
38
With only one generator operating in flight, up to 32,500 ft, what's the max load?
400 amps
39
With only one generator operating in flight, above 32,500 ft, what's the max load?
280 amps
40
Standby bus powers:
CP instrument lights; RTU #1, UHF radio, ITT #1, Stby altimeter vibrator, Stby ADI, EFC sys (CRUISSE)
41
Standby battery voltage:
24 volts
42
Standby bus is normally powered by...
... LH Load Bus
43
Standby power switch & indicator lights are on the ___ panel
right instrument
44
What buses can be powered by the standby battery?
Standby bus only
45
On the standby power switchlight, what does ON mean?
Standby battery is the only source powering standby bus
46
If the right load bus loses power, #2 inverter can be powered by...
...the emergency bus
47
Primary Shed buses disconnect when:
#1 inverter isn't supplying 115-v AC, #2 inverter is on, and #2 inverter is powered by emergency bus
48
During normal ops, leave the rotary AC voltmeter switch in ___ position
NO 1 INV - 115V
49
The #1 inverter is normally powered by what bus?
LH Load bus
50
Voltage & freq of the #2 inverter is regulated by the ___.
#2 inverter internal circuitry
51
Normally, the secondary AC buses are powered by the ___.
#2 inverter
52
The inverter selector switch has what 3 positions?
NO 1, AUTO, NO 2
53
What's the color and location of the navigation lights?
2x red - left wingtip; 2x green - right wingtip, 1 white - back of vert stab
54
After gear retraction, how would you extend landing lights?
recycle switches: RET/OFF then EXT/ON
55
Max airspeed/altitude for the landing lights
200 KIAS / FL200
56
When should cabin general area floodlights automatically extinguish?
When aircraft is airborne, or when general area fluorescent lights illuminate
57
To arm instrument floodlights...
place integral switch to INTEG
58
Where is the anti-collision beacon? What color?
Top of vertical stabilizer. Red.
59
What are first indications of right generator failure?
MASTER CAUTION & R GEN OFF annunciators
60
With RH generator failure, what voltage should the voltmeter read for RH GEN position?
0
61
If you can't reset a generator, maintain a minimum of __ N2 on the other engine
58%
62
What are the indicators of #2 Inverter failure?
MASTER CAUTION, INV 2 FAIL, and 0 volts for #2 positions on AC voltmeter
63
If smoke or fumes are present with an electrical fire, what's the first step?
OXYGEN MASKS - DON/100%
64
On Elec. Fire checklist, after master gen switches -> EMER, batt -> OFF, what's powered?
Stby bus only

T-1 Jayhawk (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions