Envoy 175 Exam Newest Exam
Complete Questions and Correct
Answers with Rationales | Already
Graded A+||Brand New Version!!
How’s many Cabin doors provide access to the aircraft cabin? - Answer- 4
How many Cargo Compartments are there on the ERJ 175? - Answer- 2
Are both Cargo compartments pressurized? - Answer- Yes
Can the DV windows be removed by the crew? - Answer- no
Are fault(s) in the water system monitored from the cockpit? - Answer- no
What is the purpose of the Ramp Horn buttons installed in the cockpit? - Answer- to call
Ground Personnel via a continuous horn sound (when pressed)
When pressing the Annunciators Test Button all striped bars and captions indications
illuminate except? - Answer- a. EMRG/PRKG BRAKE light
b. GPU Pushbutton light
c. Fire Test Lights
How is a "bad" DVDR test alerted? - Answer- Indicated by a CVR AFT (FWD) FAIL
advisory message on the EICAS when the TEST button on the DVDR unit is pressed
Where can the Oxygen Quantity be read? - Answer- a. MFD STATUS page (corrected
for temperature)
b. At the oxygen cylinder panel (uncorrected for temperature)
Do the cockpit crew and the passengers share the same emergency oxygen? - Answer-
No, the cockpit uses and oxygen cylinder and the cabin passengers use oxygen
chemical generators.
Once a chmical oxygen generator(cabin) is activated, can it be shut off? - Answer- No
What is the minimum oxygen for the cockpit crew? - Answer- a. 2 crew: Blue for 2
b. 3 crew: Green for 3
What activates when the flight deck oxygen masks are removed from the storage unit? -
Answer- a. Flow of oxygen
b. Mask microphone
,c. Flight deck speakers
What happens if the TEST/RESET button is pressed with the flight deck oxygen masks
not stowed? - Answer- a. Stops flow of oxygen.
b. Deactivates mask microphone
c. Deactivates flight deck speakers
What are the different modes of the cockpit quick donning O2 mask? - Answer- 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)
During preflight, how would you know if the cockpit crew oxygen had been over
pressurized? - Answer- The green blowout disc would be missing on the forward right
side of the fuselage.
What is the oxygen duration of an oxygen chemical generator? - Answer- 12 minutes
When will the passenger oxygen masks automatically deploy? - Answer- Cabin altitude
of 14000 MSL
Can the oxygen door dispensing units be opened manually if it fails to automatically
deploy? - Answer- Yes, via a manual release tool (MRT) located each FA station.
What does the PBE provide? - Answer- 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)
How many portable oxygen cylinders are installed in the cabin? - Answer- 3 - one in the
FWD section and 2 in the AFT section
(2 masks per cylinder)
List some of the Emergency Equip. items located within the cockpit? - Answer- Fire Ext
PBE
3 Life Vests
Crash Axe
2 Escape ropes
3 O2 Masks
When are the Recirculation Fans commanded off - Answer- a. Cockpit switch
b. Smoke detected in the recirc bay
c. DUMP button is pushed
d. Respective pack is commanded off
,What keeps the 3 Avionic E-bays cool? - Answer- 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
When is the Emergency Ram Air Ventilation activated? - Answer- 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)
What is bleed air used for? - Answer- a. ECS (heating and cooling)
b. Engine start
c. Engine and wind anti-icing
d. Water pressurization
What is eternal pneumatic air used for? - Answer- a. ECS on the ground
b. Engine start on the ground
Where is the external ground source panel located? - Answer- a. Lower fairing between
the winds
What is the Primary use for the APU Bleed Air? - Answer- a. ECS on the ground
b. Engine starting on the ground
c. Assist with engine start (<FL210)
d. Bleed source for pressurization, heating, and cooling (<15,000ft MSL)
Can engine bleed air flow-back to the APU? - Answer- No. A check valve prevents flow-
back
Where is bleed air tapped from the engines? - Answer- a. 6th and 10 stage
compressors (EBV and HSV respectively)
b. System alternates between valves to regulate and adequate and safe pressure
What is the purpose of the Pre-cooler? - Answer- Cools the bleed air coming from the
engine to the AMS
What does the Overheat Detection System (ODS) observe? - Answer- a. Engine bleeds
and packs
b. APU bleed
c. Plumbing for the wing and engine anti-icing system
Is one detection Loop capable of detecting an overheat condition? - Answer- Yes (if one
fails the other will work alone to detect the overheat)
How many ECS packs are installed? - Answer- 2 independent packs (left and right)
Can a single ECS pack provide temperature control and pressurization? - Answer- Yes,
but limited to operations at or below FL310
, Can a single Bleed Source power both ECS Packs? - Answer- Yes, through the
Crossbleed valve
How is the APU controlled? - Answer- Via a dedicated Fadec
What Battery is used for the APU Ground Start? - Answer- a. BATT 2 powers the starter
b. BATT 1 powers the FADEC and EICAS for monitoring
Where does the APU get its fuel? - Answer- a. Right Fuel Tank
b. Left Fuel Tank (through the Crossed valve)
What Fuel Pumps are capable of providing the fuel to the APU? - Answer- a. Batteries
'ON' only = DC Fuel Pump in Right Tank
b. AC powered airplane = ACMP 2
c. Right engine running = RH Ejector Fuel Pump
What does moving the APU start switch to 'OFF' do? - Answer- a. Initiates Normal APU
Shutdown
b. Closes APU Bleed Valve
c. 1-minute cool down
Can a normal APU shutdown be canceled? - Answer- Yes, by moving the START
switch back to 'ON' before the 1-minute cool down is over
How can you shutdown the APU immediately? - Answer- APU Emergency Stop button
(no 1-minute cool down period)
What will happen if the Batteries are turned OFF during the 1-minute cool down period?
- Answer- APU will shut down immediately
When will automatic shutdown of the APU occur on the ground? - Answer- 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
When will automatic shutdown of the APU occur in flight? - Answer- a. Overspeed
b. Underspeed
c. FADEC critical Fault
Complete Questions and Correct
Answers with Rationales | Already
Graded A+||Brand New Version!!
How’s many Cabin doors provide access to the aircraft cabin? - Answer- 4
How many Cargo Compartments are there on the ERJ 175? - Answer- 2
Are both Cargo compartments pressurized? - Answer- Yes
Can the DV windows be removed by the crew? - Answer- no
Are fault(s) in the water system monitored from the cockpit? - Answer- no
What is the purpose of the Ramp Horn buttons installed in the cockpit? - Answer- to call
Ground Personnel via a continuous horn sound (when pressed)
When pressing the Annunciators Test Button all striped bars and captions indications
illuminate except? - Answer- a. EMRG/PRKG BRAKE light
b. GPU Pushbutton light
c. Fire Test Lights
How is a "bad" DVDR test alerted? - Answer- Indicated by a CVR AFT (FWD) FAIL
advisory message on the EICAS when the TEST button on the DVDR unit is pressed
Where can the Oxygen Quantity be read? - Answer- a. MFD STATUS page (corrected
for temperature)
b. At the oxygen cylinder panel (uncorrected for temperature)
Do the cockpit crew and the passengers share the same emergency oxygen? - Answer-
No, the cockpit uses and oxygen cylinder and the cabin passengers use oxygen
chemical generators.
Once a chmical oxygen generator(cabin) is activated, can it be shut off? - Answer- No
What is the minimum oxygen for the cockpit crew? - Answer- a. 2 crew: Blue for 2
b. 3 crew: Green for 3
What activates when the flight deck oxygen masks are removed from the storage unit? -
Answer- a. Flow of oxygen
b. Mask microphone
,c. Flight deck speakers
What happens if the TEST/RESET button is pressed with the flight deck oxygen masks
not stowed? - Answer- a. Stops flow of oxygen.
b. Deactivates mask microphone
c. Deactivates flight deck speakers
What are the different modes of the cockpit quick donning O2 mask? - Answer- 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)
During preflight, how would you know if the cockpit crew oxygen had been over
pressurized? - Answer- The green blowout disc would be missing on the forward right
side of the fuselage.
What is the oxygen duration of an oxygen chemical generator? - Answer- 12 minutes
When will the passenger oxygen masks automatically deploy? - Answer- Cabin altitude
of 14000 MSL
Can the oxygen door dispensing units be opened manually if it fails to automatically
deploy? - Answer- Yes, via a manual release tool (MRT) located each FA station.
What does the PBE provide? - Answer- 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)
How many portable oxygen cylinders are installed in the cabin? - Answer- 3 - one in the
FWD section and 2 in the AFT section
(2 masks per cylinder)
List some of the Emergency Equip. items located within the cockpit? - Answer- Fire Ext
PBE
3 Life Vests
Crash Axe
2 Escape ropes
3 O2 Masks
When are the Recirculation Fans commanded off - Answer- a. Cockpit switch
b. Smoke detected in the recirc bay
c. DUMP button is pushed
d. Respective pack is commanded off
,What keeps the 3 Avionic E-bays cool? - Answer- 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
When is the Emergency Ram Air Ventilation activated? - Answer- 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)
What is bleed air used for? - Answer- a. ECS (heating and cooling)
b. Engine start
c. Engine and wind anti-icing
d. Water pressurization
What is eternal pneumatic air used for? - Answer- a. ECS on the ground
b. Engine start on the ground
Where is the external ground source panel located? - Answer- a. Lower fairing between
the winds
What is the Primary use for the APU Bleed Air? - Answer- a. ECS on the ground
b. Engine starting on the ground
c. Assist with engine start (<FL210)
d. Bleed source for pressurization, heating, and cooling (<15,000ft MSL)
Can engine bleed air flow-back to the APU? - Answer- No. A check valve prevents flow-
back
Where is bleed air tapped from the engines? - Answer- a. 6th and 10 stage
compressors (EBV and HSV respectively)
b. System alternates between valves to regulate and adequate and safe pressure
What is the purpose of the Pre-cooler? - Answer- Cools the bleed air coming from the
engine to the AMS
What does the Overheat Detection System (ODS) observe? - Answer- a. Engine bleeds
and packs
b. APU bleed
c. Plumbing for the wing and engine anti-icing system
Is one detection Loop capable of detecting an overheat condition? - Answer- Yes (if one
fails the other will work alone to detect the overheat)
How many ECS packs are installed? - Answer- 2 independent packs (left and right)
Can a single ECS pack provide temperature control and pressurization? - Answer- Yes,
but limited to operations at or below FL310
, Can a single Bleed Source power both ECS Packs? - Answer- Yes, through the
Crossbleed valve
How is the APU controlled? - Answer- Via a dedicated Fadec
What Battery is used for the APU Ground Start? - Answer- a. BATT 2 powers the starter
b. BATT 1 powers the FADEC and EICAS for monitoring
Where does the APU get its fuel? - Answer- a. Right Fuel Tank
b. Left Fuel Tank (through the Crossed valve)
What Fuel Pumps are capable of providing the fuel to the APU? - Answer- a. Batteries
'ON' only = DC Fuel Pump in Right Tank
b. AC powered airplane = ACMP 2
c. Right engine running = RH Ejector Fuel Pump
What does moving the APU start switch to 'OFF' do? - Answer- a. Initiates Normal APU
Shutdown
b. Closes APU Bleed Valve
c. 1-minute cool down
Can a normal APU shutdown be canceled? - Answer- Yes, by moving the START
switch back to 'ON' before the 1-minute cool down is over
How can you shutdown the APU immediately? - Answer- APU Emergency Stop button
(no 1-minute cool down period)
What will happen if the Batteries are turned OFF during the 1-minute cool down period?
- Answer- APU will shut down immediately
When will automatic shutdown of the APU occur on the ground? - Answer- 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
When will automatic shutdown of the APU occur in flight? - Answer- a. Overspeed
b. Underspeed
c. FADEC critical Fault
