ORAL PREP Flashcards
(163 cards)
1
Q
The 2 APU MODES are ?
A
ATTENDED: One engine starting or operating UNATTENDED.: Engines shutdown on the ground.
2
Q
PWR source priority when starting engines ?
A
1.Respective IDG 2. APU. 3.Opposite IDG
3
Q
The ADIRU (Air Data Inertial Ref. Unit) provides what ?
A
1.Primary flight data ( AOA TAT,AOA), 2. IRU Data 3. Air Data ( Pitot, Static )
4
Q
What are Air Data Modules and what do they do ?
A
ADMs are remote Pitot/Static sensors for the air data functions of the ADIRU / SAARU.
5
Q
What are the AIR DATA inputs to the ADIRU and SAARU(Secondary Attitude Air Data Reference Unit) ?
A
- Air Data Modules 2.Two AOA Vanes 3.TAT Probe
6
Q
The FMC NAV update priority is ?
A
1.GPS 2. Nav Radios 3. IRU
7
Q
The APU is started on GRND/FLT by… ?
A
- APU pwrd Elect Start Motor (G/Inflt)
2. Air Turb Start (Eng.Bleed Air In-flight / Ground Air Cart.)
8
Q
The MAIN BATTERY powers which 3 APU start and fire protection functions ?
A
1.APU INLET DOOR 2. FUEL VALVE 3.FIRE DETECTION SYSTEM
9
Q
How is APU fuel supplied on AC and DC power.
A
(AC) LF PUMP
DC) FUEL PUMP ( AC UNPOWERED
10
Q
The APU START SEQUENCE is ?
A
Inlet Door-OPEN > Stater Engaged > ON SPEED > Fuel/Ign > 50% RPM > Start Disngd/Ign OFF
11
Q
Which starter has priority , Air Turbine Starter or APU Start Motor ?
A
Air Turbine Starter
12
Q
Why are PMGs the primary power source for PSAs(Power Supply Assemblies) instead of IDGs?
A
2 PMGs attached to each engines’s N2 shaft driven Backup Gen. supplies uninterruptible power to PSAs.
13
Q
Can SAARU be SELECTED ?
A
Pushing ATT/AIRDAT will display ALTN
14
Q
If both FMCs fail the CDUs will do what with the flight plan?
A
CDUs will retain FLIGHT PLAN :
15
Q
Do the CDUs have PERFORMANCE and NAVIGATION databases ?
A
NO. CDUs have no PERF or NAV database
16
Q
With both FMCs lost how are WYPTS entered into the CDU?
A
(1)WYPTS entered by LAT/LONG ONLY. (2).Referncd by LAT /LONG and/or ID if copied before FMC failure.
17
Q
How is fire on the MAIN DECK suppressed ?
A
The DEPR/DISCH SWITCH depressurizes AC to a 23K feet CABIN ALT at 25K feet
18
Q
One and Two pushes of TOGA switch commands FMA annunciation of .. ?
A
Push 1 : THR TO/GA TO/GA 2000’/MIN
Push 2: THR TO/GA TO/GA Full Power
19
Q
When is TO/GA ARMED IN FLIGHT ?
A
Flaps out of UP or G/S Captured
No annunciation for TOGA Armed.
20
Q
How many generations are on the airplane?
A
10 :
1 APU + 1 RAT + 2 IDGs + 2 Backup Generators + 4 PMGs
21
Q
What are the PACK MODES ?
A
- NORMAL
2. STANDBY COOLING
22
Q
If the PACK MALFUNCTIONS how is pressurization maintained?
A
2 Packs STBY : 1 pack INOP / 1 pack STBY=Continuous to maint. cabin press. regardless of ALT/OAT
Cabins maybe warmer due to lower cool.capacity
23
Q
When OVERHEAT or other significant pack faults are detected the pack(s) will do what?
A
Pack shuts down automatically
Pressing the AIR COND RESET switch may restore ops.
24
Q
What is the function of the landing gear lever lock and how is it overridden?
A
On ground auto lever lock holds gr handle DN.Pushing LOCK OVERRIDE switch releases lock.Lever lock automatically released in flight.
25
GEAR EXTENSION SPEED
270KTS/0.82M
26
Is there a backup for the EFIS CONTROL/ DISPLAY SELECT PANEL ?
Yes. In the CDU.
27
Which flight controls are fly by wire ?
All
28
What flight control function in the DIRECT MODE?
ALL:Rud /Yaw deflection more sensitive at certain speeds.
| PFCs DISCONNECTED FROM FLIGHT CONTROL SYSTEM.
29
How does the FLY BY WIRE system function with the AUTOPILOT DISENGAGED.
1.Col. inputs via (Analog) flt contl. pos. transducrs >4 ACE(Digital Format) >3 PFCS (Enhanced Digital) > 4ACE (Analog) > PCU
30
How does the FLY BY WIRE SYSTEM function with the AUTOPILOT ENGAGED?
AFDS Digital Cmds>>3 PFCs Enhanced Digtal Data >> 4 ACEs Analog Data>>PCU
31
How do the ACES and PCUs interact?
Hyd actuated PCUs feedback sensors send pos data to ACE which stops PCU when flight controls reach commanded position.
32
FLIGHT CONTROL hyd. operational protection is achieved how?
No single ACE controls more than one actuator on a control surface.
33
What protections are lost in the SECONDARY FLAP MODE?
Flap Load Relief
34
What protections are lost in the ALTERNATE FLAP MODE?
1. Flap/Slat Motion Uncmd.
2 .Flap/Slat Asymmetry Detection
3. Flap/Slat Load Relief
4 .Auto Slats
35
AUTO SLATS OPERATE operate in which flap MODE?
PRIMARY AND SECONDARY
36
What DIGITAL DATA does the PFC retain ?
1.Inertial Data 2.Thrust setting 3.Air Data 4.Flap/Slat Position 5.RA
37
What powers the Ground Service Bus
R Right Main Bus
P Primary External Power
G Generator APU
38
What powers the Utility Buses
L/R Main Buses powers the L/R Utility Buses
39
What powers the Transfer Buses
L/R MAIN Buses power the L/R Transfer Buses
40
What powers the L/R TRANSFER buses if the L/ R MAIN buses fail.
L/R BACKUP GENERATOR
41
Which bus powers the STANDBY bus.
The L TRANSFER bus
42
How many back up generators can be online at once
One
43
Can one back up generator power both TRANSFER buses
Yes
44
With normal brakes lost are AUTO BRAKES available?
No
45
With NORMAL brakes is anti-skid available?
ALT brake sys. provides antiskid protect to tandem FWD/MID axle wheels prs. Aft axle wheels remain individually controlled.
46
What does the GROUND SERVICE bus power ?
MAIN and APU BATTERY chargers
47
What is the GROUND SERVICE bus's normal and alt. power source ?
NORMAL: Right MAIN bus
ALTERNATE: APU GEN Primary External Power
48
FLASHING RED on PFD and AURAL warnings are ?
ENG FAIL( Inhibtd <65kts)-WINDSHEAR-PULL UP-TERR
49
What is the minimum clearance from an object before initiating taxi.
15 Feet
50
Why is the 15 feet required
Rear two wheels turn in opposite direction of turn so back of airplane and wing tip move opposite to turn briefly.
51
The EICAS advisory and BRAKE SOURCE light indicates what.?
Both R/C and RESERVE hydraulic systems are LOW
52
When does TAC activate ?
TAC activates when N1 varies by more than 10%
53
How many volt/ frequency converters are used by the BACKUP GENERATORS
One
54
Is Auto Apprch Freq. Radio tuning available when ALT NAV is selected?
NO.ONLY Man.tuning( L) CDU of VOR,DME,ADF,L/C ILS (R)VOR,DME,ADF,R ILS
55
Pushing the AIR DATA/ATT switch does what?
* AIR DATA(C) SAARU Single Channel.
* AIR DATA(FO)ADIRU Single Channel +(PFD/ND)
* ATTITUDE(C/FO) SAARU
56
How do you reset comms after using the O2 Mask.
Reset switch on panel and ensure the white flag in the left door is not visible as you close the door.
57
Who is PF and PM on a CAT II/ CAT III
Capt. is always PF and FO is always PM
58
The max speed to exit the runway is ?
30 Kts
59
The GROUND HANDLING bus is powered by.?
On the ground only by the APU GEN or the PRIMARY EXTERNAL POWER
60
What does the GROUND HANDLING bus power ?
Cargo Handling, Fueling/Defueling Ops,Ground operations equipment
61
What pages are available in ALT Navigation
ALT/NAV PAGES : LEGS, PROGRESS, RADIO
62
Can ALT NAVIGATION be manually selected?
Yes.(NAV switch CDU visible)CDU generates the ND MAP. Normally LEFT ND map- Left CDU, RIGHT ND map-right CDU
63
How many display generators are in the system ?
4
64
What action is taken if both PFD's go blank?
DSPL CTRL to ALTN ( An alternate display processing channel is selected to replace the current display processing channel.
65
What would prompt you to engage the DSPL CTRL switch to ALTN?
Undetected display source failures, missing/faulty disply info or intermittent disp blanking, may not result in automatic switching
66
What happens if the left or right PFD screen fails ?
THe PFD is automatically shifted to the inboard screen.
67
When pressurizing hydraulics which pump is turned on first and why?
The RIGHT ELEC. DEMAND PUMP is turned on first to prevent fluid transfer.
68
What is the purpose of the DEMAND PUMP
DEMAND PUMPS provide supp. hydraulic power for periods of high system demand.They are a backup for the ENGINE driven PRIMARY PUMPS.
69
When do DEMAND PUMPS operate.
AUTO:TO/LAND- Sys/Primary Pump Press Low
ON:Runs continuously
Note: On Grnd. RIGHT ELEC DEM PUMP runs cntnsly.
70
What does the Demand pump FAULT light indicate.
LOW output pressure
HIGH Demand Pump fluid TEMP
Selected OFF
71
When selected ATT/AIRDAT provides ADIRU/SAARU to which pilots ?
(CA) Air Data:S(Att)Airdata(IRU)
(FO) Air Data : (AIRDAT)IRU
(CA/FO) Attitude Data : SAARU
72
What portions of the FMC Flight Plan are retained if both FMCs fail ?
(1)Non conditional WYPTS [ID/LAT/LON] (2)Offsets (3)Hold Patterns (4) Missed Aprchs
73
What is the EICAS annunciation on GA with the second push of the TOGA Switch?
THR REF - Full Go Around Thrust
74
On GA with LNAV PATH unavailable LNAV remains armed until what altitude?
LNAV is is armed until above min.A/P engagement altitude.
75
With a LNAV PATH available when does LNAV automatically activate?
Above 50' RA autopilot OFF
| Above 200' RA autopilot ON
76
When does the EICAS Reference Thrust Limit change to GA?
Flaps out of UP, and locked in GA when extended for landing position or GS capture.
77
What data is enhanced by the PFC to provide appropriate flight control function?
Enhanced data :a)Inertial data b)Air data c)Thrust setting d)Flaps/slat position
78
Is the Left Fwd fuel pump PRESS light illuminated if the APU is ON with AC Power available.
No. PRESS light out regardless of switch pos when APU running. PRESS light ON if APU OFF pump switch OFF
79
Which hydraulic reservoirs have standpipes?
Left,Center ,Right
80
What are the standpipes for ?
Reserve fluid for the demand pumps.
81
What is the purpose of the center standpipe and demand pump.
Preserves fluid to power the Reserve Brakes, Nose Gear and extension.Connected ONLY to C1 PUMP.
82
What hyd system powers Normal Brakes?
Right
83
What will cause the EMERGENCY lights to illuminate automatically when ARMED.
Total Electrical Power Loss,or Switch turned off.
84
What does the PRIMARY L ENG hydraulic pump FAULT light indicate?
Hydraulic pump pressure is low or temperature high.
85
What does the DEMAND L ELEC hydraulic pump FAULT light indicate?
Hydraulic pump pressure is low or temperature high.
86
How many hydraulic systems are needed to power enough of the flight controls for safe flight?
One system.
87
If the left and right hydraulic systems are lost , can the center hydraulic system sufficiently power enough of the flight controls for safe flight?
Yes
88
Where are the hydraulic system quantities displayed?
Status Display and Hydraulic Synoptic
89
What causes the the RAT to deploy automatically in flight ?
Both AC transfer buses are unpowered.
90
When the RAT deploys automatically due to system failures,what does it hydraulically power
A.Alt.gear exten. sys,
B.Norm brakes (after lndg/airspeed <60kts)
C.Primary Flt Contrl components normly pwrd by C hyd
91
Auto land is INOP for which hydraulic system failure(s) ?
Any low pressure indications on L,C, R hydraulic sys.
92
What happens if both C1 and C2 DEMAND pump selectors are positioned to ON?
Only the C1 DEMAND pump will operate.
93
With BATTERY switch ON only what is powered?
APU Controller and DC fuel pump
94
What items are powered if the BATTERY is the ONLY power source ?
Standby Bus
Captain's Displays
Left AIMS
95
What powers the left main bus if the left engine is shut down,right engine running and APU OFF?
The right engine generator powers the left main bus
96
How are buses powered if the right engine is started with the APU powering the left bus and external powering the right bus?
The right engine generator automatically powers both
| main buses
97
What auto switching will occur if the APU is started with external power on the BUS TIE system.
The APU connects to the BUS TIE and replaces secondary external power on the left main bus.
98
How can the ground handling bus be powered before shutdown with no external power available.
Start the APU
99
Which bus operates ONLY on the ground.
Ground handling bus.
100
What is the primary source of DC power during normal flight.
TRU's
101
What provides DC power on this airplane.
Transformer Rectifier Units
102
When does the right transfer bus isolate from the right main bus?
When system configures for auto land.
103
What is the electrical configuration during auto land
The right transfer bus isolates from the right main bus.
104
What is the primary source for fly-by-wire
PMGs
105
What is the secondary power source for fly-by-wire if one or more PMGs are unpowered.
DC busses
106
What is the primary power source of standby power should all normal AC and DC power sources fail.
RAT generator
107
What is the standby electrical power source if the RAT sheds electrical power because of low hydraulic pressure.
Main Battery
108
What is the primary source of power for the transfer buses.
Engine generators
109
What does the green EXTERNAL POWER AVAIL light indicate.
External power connected,correct and ready to power the aircraft.
110
During preflight you notice the ADIRU ON BAT light is illuminated. If the BATTERY is switched OFF and electrical power is removed from the A/C what occurs.
Hot battery bus continues to power the ADIRU.ON BAT light illuminates.Horn in NG wheel well sounds to alert MX.
111
What happens if the ADIRU is switched off in flight.
System logic prevents the ADIRU from being un-powered inflight.
112
If the ADIRU fails inflight what will occur.
SAARU automatically supplies:ATT,HDG,AIR DATA(Set HDG periodically in CDU POS INIT page.
113
When does TAC disengage automatically?
1.Airspeed below 70 kts on ground 2.Reverse Thrust applied, 3.System malfunction or loss of engine thrust data 4.Flight Controls not in Normal Mode
114
With PFC switch in AUTO and no other malfunctions what mode are the flight controls in
NORMAL
115
Flight controls revert to SECONDARY mode when...?
FCs revert due to lack of req. info from other A/C systems and internal faults and PFCs cannot support NORMAL.
116
What causes flight control system to go from NORMAL to SECONDARY mode.
Loss of airspeed and or IR data to the PFCs
117
What is the net result of the system going into SECONDARY mode
All FCs operable.ELEV/RUDD more sensitive at som airspeeds.
GAATTEY not available: Gust suppression,AP,Auto SPD BRKS,Tail Strike protect,TAC, Envel.Protect, YD maybe lost or degraded.
118
What is the EICAS message for reversion to FC SECONDARY mode.
FLIGHT CONTROL MODE.
119
How is Primary Pitch Trim controlled in NORMAL mode.
On ground yoke dual pitch trim switches position STAB directly. In flight switches send inputs to PFCs to change the Trim Ref Speed by moving ELEVs to acheive trim change and fair the STAB to the ELEV.
120
Do the pitch trim switches move the control column?
No
121
Do the pitch trim switches affect autopilot engagement.
Primary Pitch Trim switches are inhibited when AP engaged.
122
What is Trim Reference Speed
Speed at which A/C would eventually stabilize given no column inputs.Once column forces trimmed to zero A/C maintains constant speed.
123
What is the effect of the Alternate Pitch Trim Levers .
In NORMAL mode changes Trim Reference Speed , moves STAB in ALL MODES.
124
With a complete loss of Hyd and Elec power how do ALT TRIM LEVERS operate.
Cables linked to the STCM(Stab Trim Control Mod) Cmd mechanical movement of the STAB.
125
Will Alternate Pitch Trim levers disconnect the autopilot.
Levers will not disconnect the autopilot but will move the STAB.
126
What is the wheel to rudder cross tie.
Wheel to rudder cross tie functions to control initial effects of an engine failure with control wheel inputs only by deflecting the rudder up to 8 degrees.
127
When is wheel to rudder cross tie available
Available below 210 KTS in the NORMAL mode.
128
Can SECONDARY mode be manually selected.
No.Automatic only.
129
Can flight control DIRECT mode be selected.
Selecting the PFC DISCONNECT switch to OFF will revert FCs to DIRECT mode
130
How does the airplane fly in SECONDARY and DIRECT MODE
ALL FCs operable. ELEV and RUDD more sensitive at some airspeeds.Full control for safe flight and landing.Handling about same as SECONDARY.
131
Does the autopilot work in SECONDARY mode
No
132
What doesn't work in SECONDARY mode
Everything from NORMAL mode lost except :Rudder Trim Cance,Degraded Y/D(w/inertial) or lost
133
What works in DIRECT mode.
Nothing from NORMAL/SECONDARY works.
134
What defines SECONDARY mode
Loss of Inertial or Speed Reference
135
What defines DIRECT mode
Loss of Inertial,Speed and Other Aircraft System References
136
What Envelope protections are in NORMAL mode.
S tall Protect
O verspeed Protect
B ank Angle Protect
137
What additional protections exist in NORMAL mode.
T AC Computer A uto Pilot G ust Supression R udder Cancel
A utospd Brks T ailstrike Y/D Wheel X Tie
138
What is Bank Angle Protection
When CW inputs exceed 35 degrees BAP CW forces CW back within 30 degrees bank.
139
What is the wingspan of the 777F
212' 7"
140
What is the length of the 777F
209' 1"
141
What is the height of the tail of the 777F
62' 4"
142
What is the minimum pavement width for a 180 degree turn.
157' 4"
143
What is the fuel capacity of the main tanks.
69,000 Pounds
144
What is the fuel tank capacity of the center tank
182,800 Pounds
145
What is the total fuel capacity
320,800 Pounds
146
What is Stall Protection
Stall protection limits the speed to which the airplane can be trimmed Nose Up when the airplane slows near Min Maneuvering Speed .
147
What is Auto Throttle Wake Up ?
As speed decrs near Stick Shaker Auto Throttle automatically advances in SPEED mode to maint Min Maneuvering or MCP window speed whichever is greater.
148
If armed but not active( A/T window blank) Auto Throttle auto activates to provide Stall Protection?
Yes
149
Is Auto Throttle Wake Up/Stall Protection supported when A/T in HOLD
No.thrust lever servos inhibited and A/T does not control thrust or speed
150
Define OVERSPEED Protection.
Over speed protection limits the trim ref speed NOSE DN approching Vmo/Mmo
151
What flight controls are are operative with loss of all 4 ACES
Mechanical control of spoilers 4 + 11
| Mechanical control of SCTM/STAB by ALTN PITCH TRIM
152
What does the EICAS message FLAP/SLAT CONTROL mean,
Flap and Slat sequencing lost
153
What does the ALTERNATE flap mode allow.
Direct manual operation of the slats and flaps through the SECONDARY electric drive motors.
154
How do the Flaps/Slats operate in the ALTERNATE Mode
Flaps and Slats(MR) EXTEND simultaneously . Slat(MR) RETRACTION inhibited until Flaps are up
155
What is the max flap setting in the ALTERNATE mode
20 Degrees
156
How do the Flaps/Slats operate in SECONDARY mode.
< 256KTS SLATS FLAPS
FE 1- 30
> 265 KTS MR 1-20
157
When do the Slats normally extend from Mid to Full Extension
Flaps 25 selection commands sequences FE of slats first then 25 Flap..
158
What is the basic Slat /Flap sequencing.
Slats Extend first and Retract last.
159
Can the BATTERY switch be turned off in flight
No.System logic prevents it.
160
To what bus will the APU automaticaly connect when started on the ground.
Left Main Bus
161
What 4 items MUST be exist to initiate an ILS approach.?
| .
1. ILS Tuned
2. Inbound Course Set
3. Proper Sensing
4. Cleared for the approach
162
Which has priority over the other,TLR or FDP ?
FDP
163
Should you firewall the single engine on an engine out derated takeoff?
No.Doing so would likely exceed VMCa
