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MEPT > Systems 2 > Flashcards

Systems 2 Flashcards

1
Q

The air management system comprises which three systems?

A

Pneumatic system, cabin pressurisation and control system (CPCS) and environmental Control System (ECS)

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2
Q

The Pressure regulation and shutoff valves (PRSOV) regulate bleed air to what pressure?

A

28psig(+/-3)

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3
Q

What regulates the bleed air pressure from the engine?

A

The pressure regulating and shutoff valve

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4
Q

What is the a/c ceiling limits with both bleed supplies and a single bleed supply available?

A

41,000ft and 31,000ft

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5
Q

What effect does the MFD being in reversionary mode have on the pressurisation system?

A

The system must be controlled manually by the crew

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6
Q

When controlling the pressurisation manually how long should you operate the switch?

A

0.5 secs

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7
Q

What happens when the DUMP button is pressed?

A

The outflow valve operates and recirc fans are turned off

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8
Q

Cabin altitude depressurisation limits in AUTO and Manual DUMP?

A

Auto - 12,000
Manual DUMP - 14,500

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9
Q

Normal operating differential pressure range?

A

-0.1 to +8.4psi

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10
Q

How is ram air used in Phenom?

A

Supply fresh air to cockpit/cabin and decrease bleed air temp in heat exchanger

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11
Q

Where is the oxygen cylinder located

A

Nose baggage compartment

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12
Q

What happens - oxy supply ‘PAX AUTO’

A

Auto deployment PAX Oxy. Cabin pressure 14700’ +- 300’

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13
Q

What does white colour indicate on oxy display MFD synoptic page?

A

Oxy pressure lower than 1590psi and higher or equal to 730psi

730-1590psi

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14
Q

Purpose of oxy supply handle

A

Open and close oxy cylinder regulator valve

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15
Q

Oxy supply control knob ‘PAX override’

A

Deploys cabin masks if the cable actuator is in the pushed position

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16
Q

What pressure EICAS display a green oxy pressure

A

1590psi

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17
Q

Hydraulic pressure normal operating range

A

2400-3000 +50 PSI

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18
Q

What colour readout when hyd press below 1500psi

A

Yellow

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19
Q

What pressure does emergency brake accumulator pressure turn yellow

A

1800psi

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20
Q

Where are the hydraulic power pack and reservoir located

A

Larger of the two forward hatches on the right hand side of a/c

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21
Q

Electric cooling fan (for hyds) operates when

A

WOW, nose hear down and locked, at least 1 gen online

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22
Q

Effect if hyd pump is selected ‘on’

A

Pump runs continuously. Thermal cut out (motor and oil) are lost

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23
Q

Hydraulic Electric motor cooling fan location?

A

Small panel on RHS of nose

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24
Q

Function of shimmy damper?

A

Moderates wheel movement at high speed

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25
Q

Max steering angle using rudder pedals

A

18.3 degrees

26
Q

Below whar speed is anti skid protection deactivated?

27
Q

Drop out speed for anti lock protection and why?

A

30kts
Allows differential braking for steering

28
Q

Anti skid braking is unavailable when?

A

Emergency/parking brake system

29
Q

When is the touchdown protection system deactivated on both wheels?

A

Speed greater than 35kts or 3 secs after WOW

30
Q

How many actuations of emergency brake does accumulator allow

31
Q

2 safety components fitted to main undercarriage wheels

A

Fusible plugs
Wheels speed transducers

32
Q

VLO

A

180 KIAS/250 KIAS (Emergency)

33
Q

How is landing gear held in place when retracted?

A

Hydraulic pressure

34
Q

At which flap positions can you cancel gear aural warning

35
Q

PBE location

A

Behind copilots seat

36
Q

How long will oxy clinder supply last in normal use?

A

15 minutes

37
Q

Where are first aid kit and water barrier located

A

Lav cabinet

38
Q

Life preserver location

A

Under PAX and pilot seats. Left hand compartment of side facing seat

39
Q

Normal ELT position

40
Q

How is emergency door opened

A

Pull internal handle and throw outwards

41
Q

Main door has how many latch and lock indicators

A

8 latch
2 lock

42
Q

How is red beacon turned on

A

ENG START/STOP switch at RUN or START

43
Q

How are baggage compartment lights turned on and off

A

Lights are activated by press switch, stay on for 5 mins or until door closed

44
Q

Elec emerg, which busbar supplies power to dome light

A

Emergency bus

45
Q

What does inspection light illuminate?

A

Left wing leading edge

46
Q

Minimum GPU voltage for battery charging?

47
Q

GPU operating V

48
Q

48

49
Q

One engine running, effect of plugging in GPU to a/c?

A

Nothing. operating generator has priority

50
Q

How long between each engine start to allow batteries to recover charge

51
Q

Pilot pushes GPU switch IN, which busbar is the GPU connected to? Cockpit indications

A

Central Bus
GPU switch indicates IN USE (Green)
GPU symbol green with green line to central bus

52
Q

BATT DISCHARGE CAS on ground with GPU connected

A

BATT 1&2 switches OFF

53
Q

Electrical emergency configuration, which bus bars have power supply

A

HOT BATT BUS 1&2, EMERG BUS, CENTRAL BUS

54
Q

Power generation requirements for SHED BUS to be energised?

A

GPU connected or both generators online

55
Q

TEF, how long does battery system last? Which BUS BAR?

A

45 mins
Emerg bus

56
Q

When using batt only, what should you do if waiting a long time to start?

A

Select ELEC Emerg.

57
Q

In normal op which busbars does SG1 power?

A

DC Bus 1, EMERG BUS, HOT BATT BUS 1

58
Q

NOrmal ops, which busbars does SG2 power?

A

DC BUS 2, Central bus, shed bus and hot batt bus 2

59
Q

SHED bus provides DC power for which systems?

A

Air conditioning, video entertainment, cabin evaporator fan, compartment light, toilet flush

60
Q

Generator load limits

A

250A above 34,000’ and grd
300A below 34,000

MEPT (15 decks)

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