ATA 26 (B777 AMM Part 1) Flashcards
When you do any test that does a check of fire bottle squibs, the ELMS supplies a small current to fire bottle squibs for: (B2)
a. the bottles selected only
b. the bottles selected and to all other fire bottle squibs
c. the bottles selected and their related wiring.
(B)
The fire and overheat test switch (FIRE/OVHT TEST) does a test of: (B1, B2)
a. inaccessible during-the-flight areas fire and smoke detection systems
b. the fire extinguishing system:
c. all airplane fire protection system
(A)
An automatic test of all the fire extinguishing squibs is done by:(B2)
a. the EEU
b. the MAT
c. the fire and overheat test switch (FIRE/OVHT TEST)
(A)
The squib test failure signal resets when: (B1, B2)
a. If you repair the squib circuit
b. If you repair the squib circuit and do another test
c. if you cycle the power
(B)
As the temperature of the core of the engine fire detectors increases, electrical resistance of conductor ground connected to the tube: (B1, B2)
a. increases
b. decreases
c. shows short-circuited
(B)
The engine and APU fire detection cards function differently: (B1, B2)
a. and are not interchangeable
b. but are interchangeable
c. but are interchangeable if you reprogram the pins on the card.
(B)
If a fire detection loop opens after the power-up BITE: (B2)
a. the system stays in the dual-loop mode until you apply electrical power again
b. after maximum 5 minutes, as BITE does a test of the engine fire detection system every 5 minutes of operation
c. the system changes to single-loop operation immediately
(A)
If an engine has an overheat condition, these indications occur in the flight deck: (B1,
B2)
a. The master caution lights come on; The caution aural operates; An engine overheat cautionmessage shows
b. The master warning lights come on; The fire warning aural operates; An engine fire warningmessage shows.
c. The master warning lights come on; The fire warning aural operates; An engine fire warning message shows; The engine fire warning light comes on; The fuel control switch fire warning light comes on.
(A)
How many ways can you test lavatory smoke detectors? (B1, B2)
a. 1
b. 2
c. 3
(B)
The APU fire detection system has two modes of operation: unattended mode and attended mode. The difference between these modes is defined by: (B1, B2)
a. engine operation
b. air/ground mode
c. engine operation and air/ground mode
(C)
When using the fire/overheat test switch to make sure the APU fire detection system operates correctly the APU fire switch: (B1, B2)
a. can not be pulled during the test
b. is unlocked during the test
c. is not power supplied
(B)
Fire indications at the P40 service and APU shutdown panel are: (A, B1, B2) ??
a. different on the ground and in the air.
b. the same on the ground and in the air
c. repeated
How many ways can you test forward and aft lower cargo compartments smoke detectors? (B2)
a. 1
b. 2
c. 3
(B)
The forward lower cargo smoke detector and the aft lower cargo smoke detector are: (B1, B2)
a. interchangeable.
b. identical but not interchangeable
c. different
(A)
The lavatory smoke detectors and cargo smoke detectors are: (B1, B2)
a. interchangeable.
b. identical but not interchangeable
c. different
(C)
The wheel well fire detector has a material between the conductors which is electrical insulator at temperature: (B2)
a. less than 575 oF (302 oC)
b. less than 310 oF (154 oC)
c. less than 255 oF (124 oC)
(A, B, C)
If you pull and rotate the engine fire switch, the fire bottles will discharge: (B1, B2)
a. with the battery switch ON or OFF, and with or without ground power on the airplane
b. when the battery switch ON and with or without ground power on the airplane
c. when the battery switch ON and with ground power on the airplane
(A)
The engine fire switch releases if: (B1, B2)
a. the engine has a fire.
b. when the battery switch is ON and the engine fuel control switch is in CUTOFF during afire/overheat test.
c. the engine has a fire or when the battery switch is ON and the engine fuel control switch is inCUTOFF during a fire/overheat test.
(C)
To operate APU fire extinguishing system from the P40 panel, you should: (A, B1, B2)
a. push the APU bottle discharge switch
b. push the APU fire shutdown switch
c. push the APU fire shutdown switch first, and then push the APU bottle discharge switch
(C)
Flight and ground operation of the lower cargo fire extinguishing system is: ( B1, B2)
a. the same
b. different
c. different and dependent on the landing time
(C)
Which statement is true for Engine Overheat Detection? (B1)
a.Overheat detectors are different from Fire detectors
b. Overheat condition is detected by Engine Fire Detection Loops
c.Fuel control switch light comes on when there is an engine overheat
Which statement is true for APU fire detection system? (B1)
a. Operates only in the air
b. Uses smoke detectors
c. Has two modes: Attended and Unattended
Airplane is on the ground, if you push forward cargo Fire Arm switch and then Discharge switch (B1)
a. Bottles 1A and 1B fire immediately, bottle 2A fires after 20 minutes
b. Bottles 1A and 1B fire immediately, bottles 2A, 2B, 2C discharge after
c. Only bottles 1A and 1B fire immediately
Engine fire switch releases if the engine has a fire or (B1)
a. During fire/overheat test
b. Fuel control switch is in CUT OFF
c. BAT switch is ON
