AS 411 EXAM 2 QUESTIONS & ANSWERS
% of air used for cooling vs combustion in turbofan - Answers -75% air for cooling and
25% for combustion
______ drives the accessory gear box - Answers -starter
How often do you need to change the oil in the accesory gear box? - Answers -never
Where did they move the starter and why - Answers -starter was move 90 degrees off
to the side, it was too close to touching the ground when underneath the engine
How many ways can I start the engine? - Answers -3.
1- APU 2-crossfeed 3-red hose, ground cart (huffer cart?)
% of braking from thrust reversers - Answers -20%
if icey 50%
AC standby bus is always.. - Answers -powered in normal flight (by AC transfer bus #1)
which igniter is always working - Answers -RIGHT* (off of standby AC)
When do you switch ignitors to continous - Answers -takeoff, landing, turbulence, icing
Single engine taxi normal procedure is to use - Answers -#2 engine
Stanby AC buss suplies ______ to both the left and right EECs for the right ignotor -
Answers -115 V AC
LEAP - Answers -leading edge aviation propulsion* (new 14 mil $ engine). Has 15%
less fuel burn, less CO2, quiter
Sterile Flightdeck - Answers -taxi, takeoff, and landing and all else conducted below
10,000 (starts at brake release/push back)
Where do you look if there is a MISSING item/what do you do? - Answers -CDL:
discrepency, log it, signed/resolved per CDL
How many squibs are in each APU bottle (737 & 787) - Answers -2 squibs on each
bottle
keel beam - Answers -runs the length of the plane
FIrst flight of the day starts engine - Answers -starts right engine, with right ignitor
% of air used for cooling vs combustion in turbofan - Answers -75% air for cooling and
25% for combustion
______ drives the accessory gear box - Answers -starter
How often do you need to change the oil in the accesory gear box? - Answers -never
Where did they move the starter and why - Answers -starter was move 90 degrees off
to the side, it was too close to touching the ground when underneath the engine
How many ways can I start the engine? - Answers -3.
1- APU 2-crossfeed 3-red hose, ground cart (huffer cart?)
% of braking from thrust reversers - Answers -20%
if icey 50%
AC standby bus is always.. - Answers -powered in normal flight (by AC transfer bus #1)
which igniter is always working - Answers -RIGHT* (off of standby AC)
When do you switch ignitors to continous - Answers -takeoff, landing, turbulence, icing
Single engine taxi normal procedure is to use - Answers -#2 engine
Stanby AC buss suplies ______ to both the left and right EECs for the right ignotor -
Answers -115 V AC
LEAP - Answers -leading edge aviation propulsion* (new 14 mil $ engine). Has 15%
less fuel burn, less CO2, quiter
Sterile Flightdeck - Answers -taxi, takeoff, and landing and all else conducted below
10,000 (starts at brake release/push back)
Where do you look if there is a MISSING item/what do you do? - Answers -CDL:
discrepency, log it, signed/resolved per CDL
How many squibs are in each APU bottle (737 & 787) - Answers -2 squibs on each
bottle
keel beam - Answers -runs the length of the plane
FIrst flight of the day starts engine - Answers -starts right engine, with right ignitor
