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Erj175 > Oral Study 2 > Flashcards

Oral Study 2 Flashcards

1
Q

what type of engines do we have

A

GE CF34-8E

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2
Q

What is max rated thrust of engine

A

14,200lbs

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3
Q

Which areas of plane have fire protection

A

“HOT LACE”

LAV
APU
CARGO COMPS
ENGINES

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4
Q

What happens when you pull the fire handle

A 
Closes the 
fuel shutoff valve
hyd shutoff valve
bleed shutoff valve
and bleed air crossbleed valve closes
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5
Q

How many loops in Apu and Engines

A

2

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6
Q

Why is it important for the AC stby bus to be powered and how is it powered with no AC power

A

It has the A ignitors on it, and is powered by DC ESS ! through the static inverter

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7
Q

how long does it take the RAT to deploy and what powers plane during this time

A

8 seconds, batteries during this 8 secs

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8
Q

How long will batteries last if they are the only source in flight

A

10 minutes

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9
Q

Where is the O2 blow out disc

A

just forward of the fwd cargo pit

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10
Q

You find a 3” puddle of oil in the engine exhaust, what do you do

A

nothing up to 4” is considered within normal limits

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11
Q

will nav lights switch automatically if one burns out

A

no, there is a switch in the cockpit and it is a mx function

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12
Q

how many static dischargers on wing

A

6 on winglet 3 on aileron

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13
Q

how many static dischargers on tail

A

4 on rudder
4 on elevator
1 on vert stab

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14
Q

When will the stick pusher activate

A

we don’t have one

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15
Q

what is the most important thing we lose in direct mode

A

AOA limiter, we can now stall the plane

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16
Q

What does a green Oxy indication mean?
Cyan?
Amber?

A

Green, good for 3 crewmembers
Cyan, good for 2 crewmembers (sorry Adam and Aaron)
Amber, call mx

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17
Q

how many fuel pumps in right wing

A 
6
main ejector
DC pump
AC pump
3 scavenge pumps
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18
Q

how many fuel pumps in left wing

A

5
main ejector
ac pump
3 scavenge pumps

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19
Q

What is the PTU

A 
Power transfer unit, 
it will turn on when flaps are out of 0
gear not up and locked
Edp 1 is working 
Hyd Sys 2 quantity above 12%

It uses sys 1 pressure to help lower or raise gear when the #2 EDP is not working.
There is no exchange of fluid though

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20
Q

Does Fadec provide Start Protection

A

Yes for
Hot
Hung
No lightoff starts

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21
Q

How do you dry motor the engine

A

turn off the ignitors

22
Q

what is the elec power priority

A

Onside IDG
Backside APU
outside GPU
cross side other IDG

23
Q

What is Stab trim priority

A

Backup
Captain
FO
Autopilot

24
Q

What kind of Brakes do we have and why

A

Carbon,
They are much lighter and wear much less at high temps
i.e. use higher force and less frequent application
dont’ drag brakes

25
Q

How many brake applications with the emergency parking brake

A

6

26
Q

How long will ice pro remain on after ice is detected

A

5 mins, supposedly changing to 2 minutes

27
Q

On ground, with only the Apu on will your windshield be heated

A

No, only for 120 seconds during the elec pbit test

both are heated when you have 2 AC sources

28
Q

Is the DV window heated

A

No

29
Q

In flight with only one AC source will your window work

what about the FO’s

A

yes,

the FO’s will only work if the captains fails

30
Q

When will autothrottle engage on takeoff

A

50 degrees TLA

31
Q

What will the bank button do

A

limits bank to 17 degrees, but only in heading mode

32
Q

how do you track a vor radial in green needles

A

you can ‘t

33
Q

Why do you turn the fuel xfeed switch to low 1 on the dual engine failure

A

To turn on the DC fuel pump,

34
Q

What does the APU emer stop button do

A

closes the fuel shutoff valve to apu,

no cooling down period

35
Q

Why is Batt 2 an auto switch

A

Automatically isolates APU start bus during APU start, and is a locked backup for all 3 DC ESS busses when BATT 1 fails

36
Q

What do you have left in Elec emergency

A 
Screens 2 and 3
CA DRP, 
compass light
IESS
Clock
MCDU 2
CA's CCD
Both ACP's but only Comm 1/ Nav 1
37
Q

How do you know if you are within the engine airstart envelope

A

WML icon next to N1

38
Q

what happens if you hold the fired detection button for 10 seconds

A

shuts down APU

39
Q

how long does the IESS take to stablize

A

90 seconds, don’t move

40
Q

when does ACMP 3B turn on

A

When ACMP 3A fails

41
Q

when will cabin mask drop automatically

A

cabin alt 14,000-14,750

42
Q

how long will pax o2 last once activated

A

12 minutes

43
Q

what is the biggest thing missing from the T/O config check

A

Whether or not both engines are running

44
Q

what is best climb rate

A

Vfs +50 to clear wx

45
Q

What is best climb angle

A

Vfs to clear obstacles

46
Q

why should you only shutdown an engine while taxiing straight ahead

A

to avoid interruptions the steering when sys 2 is momentarily depowered

47
Q

How much fuel in collector tanks

A

660lbs

48
Q

can you use FMS speeds when OEO

A

no

49
Q

Why do we fly 150kts min with the RAT out

A

to provide a buffer over the 130 kt limit

50
Q

Where do you have windshear guidance

A

10-1500agl

Erj175 (39 decks)

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