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WorksheetsAircraft 123
Total questions: 22
Worksheet time: 11mins
What does the backup generator converter do?
Changes variable voltage into 115V/400H2
Converts DC power to AC
Changes variable frequency into 115V/400H2
Which power management panel gets power from the hot battery bus?
P300 APU auxiliary panel
P10O power panel
P310 standby power panel
Which unit controls the no-breaks power transfer?
Bus power control unit (BPCU)
Backup converter
Generator control unit (GCU)
With AC power on the airplane, what happens when you place the standby power switch to the BAT position?
The static inverter comes on and powers the standby AC bus
A DC/standby self check starts
Nothing will happen
On which version of the 777 will you find the P330 panel?
All versions
200/300
Freighter
Which of the following statements is true?
The 777 line replaceable units (LRUs) and line replaceable modules (LRMs) use different databuses
The 777 line replaceable units (LRUs) and line replaceable modules (LRMs) use the same databuses
The 777 line replaceable units (LRUs) and line replaceable modules (LRMs) do not use databuses
Pneumatic bleed air is supplied by:
APU only
2 stages of the low pressure compressor
2 stages of the high pressure compressor
Empennage and body section 48 located at zone:
300
500
400
Where is engine fire extinguisher bottle located?
Engine pylon
Fwd cargo bay
Landing gear wheel well
How is a fire in the lavatory waste compartment indicated?
By red discharge indicator disk.
By warning light on the flight deck
By temperature-indicator
Where is the forward cargo door manual latch drive located?
On the fuselage, forward of the door
Upper forward corner of the door
In the lock handle housing
Which parts of the rudder are NOT made from composite materials?
Rudder tab
Rudder hinge
Front and rear spar.
What determines the grip length of the spring clips which secure the passenger compartment windows?
The number of the windows installed
The location in the fuselage
The size of the window
What type of door is the forward large cargo door?
Plug type-door
Non-plug type door
A hinged door.
The leading edge, trailing edge and wing tip are all part of the wing:
Secondary structure
Primary structure
Flight control surfaces
The inspection method which uses a liquid to detect cracks is called:
X-ray inspection
Magnetic particle
Penetrant inspection
Which of the following inspection methods requires only basic tools and materials, such as a mirror and magnifying glass?
Detailed inspection.
Penetrant inspection
Special detailed inspection.
During an engine start on ground with air conditioning pack operating, the pack switch OFF light was observed to stay on for about 2 minutes. It means:
This is normal because the packs stay off for 2 minutes to allow time to start the engines
The related air conditioning system is faulty as the OFF light should not be illuminated
The related pack flow valve is suspected to be sluggish in operation
What percent of the total air outflow goes out through the forward and aft outflow valves when you set the two outflow valves to the automatic mode, usual position of the valves?
20% and 80%
80% and 20%
50% and 50%
When will the pack operate in backup mode?
When switched to backup mode from the cockpit
When one pack fails during ground operation
When only battery power or standby power is available
What type of air cycle machine is used on the B 777?
Twin compressor and twin turbine
Single compressor and twin turbine
Single compressor and single turbine
What does the flow sensor measure?
Duct pressure and temperature
Pack inlet pressure and inlet differential pressure
Pack outlet pressure and temperature
