oral prep 2

Question 1

how many busses are powered when you turn on the BAT switch

Answer 1

2
the battery and hot battery bus

Question 2

how many batteries are there

Answer 2

2

Question 3

how many batteries are required

Answer 3

2

Question 4

with the STBY power switch to auto how many busses are powered

Answer 4

4
Bat and Hot Bat busses
STBY AC and DC busses

Question 5

EXT PWR switch on how many busses are on

Answer 5

all of them

Question 6

turn IRS selectors to NAV, what lights come on

Answer 6

-ON DC light comes on for 10 sec
-ALIGN light then turns on

Question 7

what are you looking for on the status display during preflight

Answer 7

-oil 17 qts
-oxygen ETOPS 1500 non ETOPS 1250
-HYD “RF” not shown

Question 8

what does RF mean if seen on status hydraulics

Answer 8

Refill
at or below 75%

Question 9

what position should you put BULK Cargo switch in

Answer 9

-normal unless animals on board then use VENT

Question 10

(bulk cargo) what does VENT do

Answer 10

warms it up

Question 11

how do you do a full alignment

Answer 11

-turn off for 3 min
-then select NAV

Question 12

(IRS) why do we wait 3 min off during alignment

Answer 12

to fully zero out the drift and GS errors

Question 13

can we do a quick alignment

Answer 13

yes 30 sec but not approved at Omni

Question 14

is it possible to enter and incorrect IRS position

Answer 14

yes, it will accept it on the 3rd try

Question 15

what have you lost IRS wise if just the DC FAIL light on

Answer 15

nothing

Question 16

(IRS) what does ATT do for you

Answer 16

gives you attitude and heading information

Question 17

(IRS) how do you input heading info

Answer 17

-IRS panel H123
-FMC POS PG

Question 18

when all IRS’s are aligned what lights are on

Answer 18

none

Question 19

what powers the YAW DAMPENERS

Answer 19

IRS and hydraulics

Question 20

what do the EEC’s do

Answer 20

prevent over boost of N1 by reducing fuel flow

Question 21

how are the EEC’s powered

Answer 21

self powered

Question 22

what does the RSVR light mean

Answer 22

low hydraulic fluid quantity (less than half)

Question 23

what provides the Left hydraulic power

Answer 23

the engine driven pump and demand pump

Question 24

how does the demand pump operate

Answer 24

automatically when it senses low pressure if in AUTO

Question 25

what is on the LEFT HYD system

Answer 25

-flight controls -rudder ratio system -R yaw damper

Question 26

what is on the right HYD system

Answer 26

-normal brakes -accumulator -pitch enhancement system

Question 27

what does the pitch enhancement system do

Answer 27

uses right sys power with left standby fluid to drive stab trim at 1/4 rate

Question 28

how is the C demand pump powered

Answer 28

pneumatically from the center duct

Question 29

how are the C main HYD pumps powered

Answer 29

electrically

Question 30

what items are on the Center system

Answer 30

-gear/flaps/slats/flight controls -tail skid -HDG -Alternate brakes -reserve brakes -RAT

Question 31

what is the heavy system on the 757

Answer 31

the left system

Question 32

when does the HDG operate

Answer 32

dual generator failure (loss of all AC power)

Question 33

how are the cargo doors powered

Answer 33

Ground handling bus

Question 34

which probe isnt powered on the ground

Answer 34

the TAT

Question 35

when is the TAT probe powered

Answer 35

after lift off with nose gear extension

Question 36

what does the rudder ratio sys do

Answer 36

prevents full deflection of rudder at high speeds

Question 37

when does AIL LOCK OUT start

Answer 37

starts at 240kts and complete at 280kts

Question 38

what is powering all 3 A/Ps on approach

Answer 38

L-L AC XFER C-Bat bus R-R AC XFER

Question 39

when does the outflow valve close

Answer 39

11,000ft

Question 40

when do you regain control of the outflow valve

Answer 40

9500ft

Question 41

can the RAT be retracted

Answer 41

only on the ground by mx

Question 42

with the ignition in AUTO when does ignition occur

Answer 42

-flaps/slats -engine anti-ice

Question 43

where are the TURN OFF lights located on the 757

Answer 43

nose wheel strut

Question 44

how many fans in the equipment cooling system

Answer 44

2

Question 45

which autobrake setting is equal to max manual

Answer 45

RTO