ATA 25 (B777 AMM Part 1) Flashcards
The power for the captain and first officer seats is supplied from: (B1, B2)
a. three phase 115V AC utility bus
b. three phase 115V AC service bus
c. single phase 115V AC standby bus
(A)
Which of the following statements is NOT correct: (B1, B2)
a. The emergency stop switch removes power from the horizontal control circuits of the
Captain/First Officer seat
b. The emergency stop switch removes power from the vertical control circuits of theCaptain/First Officer seat.
c. The emergency stop switch removes power from the Captain/First Officer seat
(C)
For ground service equipment and necessary in-flight equipment, there are two usual kinds of electrical outlets: (B1, B2)
a. 115 volts AC single phase power at 400 Hertz and 28 volts DC power
b. 115 volts AC single phase power at 50 Hertz and 28 volts DC power
c. 115 volts AC single phase power at 60 Hertz and 28 volts DC power
(A)
Business class seats with electric controls for adjustment receives: (B1, B2)
a. three-phase power from the three phase bus
b. single phase power from the three phase bus
c. DC power from the utility bus
(B)
The operation of the electrical/mechanical components is: (B1, B2)
a. automatically controlled by the cargo system controller only.
b. automatically controlled by the cargo system controller, but some of them can be operatedmanually
c. operated manually if no power available.
(B)
The cargo handling system gets power for control from (B1, B2)
a. ground handling bus
b. ground service bus
c. ground utility bus
(A)
If a lateral guide was manually lowered: (B1, B2)
a. it can be released electrically
b. it must manually be released before it will operate electrically
c. it will reset itself when power is put on the system
(B)
When you replace a PDU you must clean and seal the PDU mounting base to the airframe. Then make sure that: (B1, B2)
a. electrical resistance between the PDU and airframe is acceptable
b. the PDU mounting base is properly secured to the airframe
c. the PDU is correctly installed on the PDU mounting base.
(A)
The cargo system controllers adjust for the difference between the forward and aft cargo compartments and for system options by using the logic that is defined by: (B2)
a. code switches.
b. programming pins
c. P/N
(B)
To do a test of the cargo system controllers: (B1, B2)
a. use the BITE
b. use the MAT
c. you operate the system to see if it operates correctly
(C)
Emergency evacuation signal can be operated from: (B1, B2)
a. The attendant stations only
b. The flight deck only
c. The attendant stations and flight deck
(C)
If captain/first officer seat continues to move when you release an adjustment switch. You can stop this movement by (B1)
a. Using the emergency stop switch
b. Pushing the adjustment switch in reverse direction
c. Disconnecting electrical power to the seat
You can remove captain/first officer seat by (B1)
a. Sliding forward off the tracks
b. Sliding aftward off the tracks
c. Removing the seat tracks
You can externally open the stowage bin if the actuator does not operate correctly by pushing the emergency release lever which is located at (B1)
a. The bezel
b. Top of side wall panel
c. Stowage bin sidewall
Air chillers can be attached to (B1)
a. The top of the galleys
b. The bottom of the galleys
c. The back of the galleys
Fixed galleys are attached to airplane structure by (B1)
a. Tie rods at the top and bolts to hardpoint fittings at the bottom
b. Tie rods at the top and bolts/fittings to seat tracks at the bottom
c. Bolts and fittings to the seat tracks at the bottom
If cargo compartment fiberglass liners have cuts, tears or holes (B1)
a. You can repair when time available
b. You must repair
c. You must replace the liners
What is the purpose of lower lobe cargo compartment decompression panels? (B1)
a. To prevent fuselage structural damage if there is a sudden decompression of passenger compartment
b. To ensure equal air pressure between passenger compartment and cargo compartment
c. To prevent fuselage structural damage if there is a sudden decompression of cargo comparment
How can you identify individual Power Drive Unit (PDU)? (B1)
a. By row location number
b. By PDU location in the row
c. By row location number and its location in the row (left, right, center)
What do you need to do prior to the removal of passenger door escape slide/raft? (B1)
a. Install the safety pin to lock the release mechanism
b. Install the safety pin to the girt bar mechanism
c. Install the safety pin to the lacing cover
After deployment, the slide/raft is inflated by (B1)
a. Inflation cylinder air
b. Ambient air
c. Air from the aspirators