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EMB 170,175. > Envoy 175 Study Guide > Flashcards

Envoy 175 Study Guide Flashcards

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1
Q

Hows many Cabin doors provide access to the aircraft cabin?

A

4

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2
Q

How many Cargo Compartments are there on the ERJ 175?

A

2

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3
Q

Are both Cargo compartments pressurized?

A

no

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4
Q

What is the purpose of the Ramp Horn buttons installed in the cockpit?

A

to call Ground Personnel via a continuous horn sound (when pressed)

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5
Q

When pressing the Annunciators Test Button all striped bars and captions indications illuminate except?

A

a. EMRG/PRKG BRAKE light
b. GPU Pushbutton light
c. Fire Test Lights

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6
Q

How is a “bad” DVDR test alerted?

A

Indicated by a CVR AFT (FWD) FAIL advisory message on the EICAS when the TEST button on the DVDR unit is pressed

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7
Q

Where can the Oxygen Quantity be read?

A

a. MFD STATUS page (corrected for temperature)

b. At the oxygen cylinder panel (uncorrected for temperature)

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8
Q

Do the cockpit crew and the passengers share the same emergency oxygen?

A

No, the cockpit uses and oxygen cylinder and the cabin passengers use oxygen chemical generators.

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9
Q

Once a chmical oxygen generator(cabin) is activated, can it be shut off?

A

no

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10
Q

What is the minimum oxygen for the cockpit crew?

A

a. 2 crew: Blue for 2

b. 3 crew: Green for 3

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11
Q

What activates when the flight deck oxygen masks are removed from the storage unit?

A

a. Flow of oxygen
b. Mask microphone
c. Flight deck speakers

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12
Q

What happens if the TEST/RESET button is pressed with the flight deck oxygen masks not stowed?

A

a. Stops flow of oxygen.
b. Deactivates mask microphone
c. Deactivates flight deck speakers

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13
Q

What are the different modes of the cockpit quick donning O2 mask?

A

a. Emergency Setting - Put oxygen with positive pressure
b. 100% setting - are oxygen at all altitudes.
c. Normal Setting - Oxygen/air mixture (ratio depends on cabin altitude)

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14
Q

During preflight, how would you know if the cockpit crew oxygen had been over pressurized?

A

The green blowout disc would be missing on the forward right side of the fuselage.

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15
Q

What is the oxygen duration of an oxygen chemical generator?

A

12 minutes

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16
Q

When will the passenger oxygen masks automatically deploy?

A

Cabin altitude of 14000 MSL

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17
Q

Can the oxygen door dispensing units be opened manually if it fails to automatically deploy?

A

Yes, via a manual release tool (MRT) located each FA station.

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18
Q

What does the PBE provide?

A

a. Pressuried oxygen and protection from smoke, fumes, and fire up to 40,000ft for at least 15 minutes
b. Blue indication: Good
c. Pink: Bad
d. Vacuum loss: Bad (even with a blue indication)

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19
Q

How many portable oxygen cylinders are installed in the cabin?

A

3 - one in the FWD section and 2 in the AFT section

2 masks per cylinder

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20
Q

List some of the Emergency Equip. items located within the cockpit?

A 
Fire Ext
PBE
3 Life Vests
Crash Axe
2 Escape ropes
3 O2 Masks
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21
Q

When are the Recirculation Fans commanded off

A

a. Cockpit switch
b. Smoke detected in the recirc bay
c. DUMP button is pushed
d. Respective pack is commanded off

22
Q

What keeps the 3 Avionic E-bays cool?

A

a. FWD and CTR E-bay fans (3) pull air from the Cabin to E-bay
b. AFT E-bay Natural air-flow from the cabin to bay

23
Q

When is the Emergency Ram Air Ventilation activated?

A

a. Both packs commanded or failed OFF below 25,000ft (via left side electronically controlled)
b. Ram air pressure greater than cabin pressure (via right side)

24
Q

What is bleed air used for?

A

a. ECS (heating and cooling)
b. Engine start
c. Engine and wind anti-icing
d. Water pressurization

25
Q

What is eternal pneumatic air used for?

A

a. ECS on the ground

b. Engine start on the ground

26
Q

Where is the external ground source panel located?

A

a. Lower fairing between the winds

27
Q

What is the Primary use for the APU Bleed Air?

A

a. ECS on the ground
b. Engine starting on the ground
c. Assist with engine start (

28
Q

Where is bleed air tapped from the engines?

A

a. 6th and 10 stage compressors (EBV and HSV respectively)

b. System alternates between valves to regulate and adequate and safe pressure

29
Q

What is the purpose of the Pre-cooler?

A

Cools the bleed air coming from the engine to the AMS

30
Q

What does the Overheat Detection System (ODS) observe?

A

a. Engine bleeds and packs
b. APU bleed
c. Plumbing for the wing and engine anti-icing system

31
Q

Is one detection Loop capable of detecting an overheat condition?

A

Yes (if one fails the other will work alone to detect the overheat)

32
Q

How many ECS packs are installed?

A

2 independent packs (left and right)

33
Q

Can a single ECS pack provide temperature control and pressurization?

A

Yes, but limited to operations at or below FL310

34
Q

Can a single Bleed Source power both ECS Packs?

A

Yes, through the Crossbleed valve

35
Q

How is the APU controlled?

A

Via a dedicated Fadec

36
Q

What Battery is used for the APU Ground Start?

A

a. BATT 2 powers the starter

b. BATT 1 powers the FADEC and EICAS for monitoring

37
Q

What does moving the APU start switch to ‘OFF’ do?

A

a. Initiates Normal APU Shutdown
b. Closes APU Bleed Valve
c. 1-minute cool down

38
Q

Can a normal APU shutdown be canceled?

A

Yes, by moving the START switch back to ‘ON’ before the 1-minute cool down is over

39
Q

How can you shutdown the APU immediately?

A

APU Emergency Stop button (no 1-minute cool down period

40
Q

What will happen if the Batteries are turned OFF during the 1-minute cool down period?

A

APU will shut down immediately

41
Q

When will automatic shutdown of the APU occur on the ground?

A

a. Overspeed
b. Underspeed
c. FADEC critical fault
d. APU Fire
e. APU EGT overtemp
f. APU High oil temp
g. APU Low oil pressure
h. Sensor fail

42
Q

When will automatic shutdown of the APU occur in flight?

A

a. Overspeed
b. Underspeed
c. FADEC critical Fault

43
Q

What happens when you turn the APU Start Knob to ON?

A

a. Powers the APU FADEC
b. Displays viable APU EICAS information following FADEC self-test
c. Opens the APU Fuel SOV

44
Q

When is the electrical and pneumatic loading available during APU start?

A

95% RPM plus 3 seconds

45
Q

What is the purpose o the BANK button?

A

Enables the disables bank angle to 17* used in the HDG mode

46
Q

What is the Normal Disengagement process for the Autopilot?

A

Pressing the Quick Disconnect button on either control wheel
(once triggers aural warning “Autopilot”, twice cancels the aural warning and cancels the FMA annunciation)

47
Q

Non-Normal Autopilot disengage occurs via?

A

a. AP button pressed on the guidance panel
b. Either manual pitch trim is activated
c. Either stick shaker is activated
d Windshear Escape guidance is activated

48
Q

When will the FD automatically turn ON in Flight

A

a. TO/GA button actuation
b. Manual selection of any vertical and lateral mode
c. Autopilot engagement
d. Windshear detection

49
Q

Describe the FMA (Flight Mode Annunciator) color codes?

A

a. Magenta: FMS commanded active/engaged mode
b. Green: Non-FMS commanded active/engaged mode
c. White: Armed mode
d. Amber: Alert condition
e. Red: Abnormal condition

50
Q

Describe the TO Pitch Angle Logic when airborne and IAS is greater than speed target.

A

a. All engines operating: V2 + 10kt
b. OEI:
- Engine Failure below V2: V2
- Engine Failure between V2 and V2 + 10kt: Maintains Speed
- Engine Failure above V2: Guides V2 + 10kts

EMB 170,175. (1 decks)

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