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Skywest ERJ 175 Systems Questions and Correct Answers the Latest Update and Recommended Version $13.49   Add to cart

Exam (elaborations)

Skywest ERJ 175 Systems Questions and Correct Answers the Latest Update and Recommended Version

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  • Course
  • Skywest ERJ 175
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  • Skywest ERJ 175

What kind of checklist is the Safety and Power Up? Captain or FO Read And Do checklist What is the minimum battery voltage for normal ops? 22.5V What sources of external power are available to the ERJ 175? Both AC and DC After turning on Batteries 1 and 2, which displays should come on? ...

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  • October 24, 2024
  • 38
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Skywest ERJ 175
  • Skywest ERJ 175
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Skywest ERJ 175 Systems Questions
and Correct Answers the Latest Update
and Recommended Version
What kind of checklist is the Safety and Power Up?

✓ Captain or FO Read And Do checklist


What is the minimum battery voltage for normal ops?

✓ 22.5V


What sources of external power are available to the ERJ 175?

✓ Both AC and DC


After turning on Batteries 1 and 2, which displays should come on?

✓ 2 and 3


What areas have fire detection and protection?

✓ Engines, APU, Cargo Compartments both aft and fwd, Lavatories


When must the safety and power up checklist be performed?

✓ The first flight of the day in a particular plane or when a power down was required.


Emergency Equipment




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✓ Flashlight - both CA and FO, Life Vest - CA, FO and jumpseat, Circuit Breakers - CA,
FO, Escape Rope - CA, FO, Landing Gear and RAT Safety Pin - FO, PBE & Halon Fire
Extinguisher & Crash Axe - Doorway, Oxygen & Headset - Observer Seat


What are you looking for when battery 1 on and battery 2 Auto

✓ 1) Screen 2 (status page) & 3 (EICAS) should illuminate 2) IESS powering up (90 sec
alignment) 3) Battery Voltage (Min 22.5V for normal ops, 21.0 - 22.5 Recharge
procedure, less than 20.9 - call maintenance)


What is the significance about 22.5V

✓ 22.5V should give enough power for 10 minutes of battery power with 2 APU restart
attempts


What are we looking for when performing the Fire Extinguisher Test?

✓ 6 - 5 - 2 - 2 - 2 6-Lights on overhead panel, 5-EICAS messages, 2-Master Warnings, 2-
ITT Fires, 2-Aural Warnings


APU FADEC will shut off if:

✓ In-Flight: UFO U-underspeed, F-FADEC critical fault, O-overspeed Ground: UFO SHELF
S-sensor fail, H-high oil temp, E-EGT (high), L-low oil pressure, F-fire


APU FADEC fire detection automatic

✓ On Ground: 10 seconds lag on shutting it off. Anytime: 1 minute later the APU
emergency stop button will light up.


Cargo Fire Halon Extinguisher How many? Differences? Usage?

✓ 2 Halon Extinguishers, high-rate goes off when button pressed. low-rate keeps going off
in short spurts for 75 minutes.




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Cargo fire extinguisher with EICAS message usage

✓ With message (IN FLIGHT) the button will blow the high-rate and then 1 minute after the
low-rate will discharge automatically. (GROUND) pushing the button will blow the high-
rate only. The button has to be pushed again for the low-rate bottle.


Cargo fire extinguisher without EICAS message usage

✓ (IN FLIGHT) push the button 2 times the low-rate is automatic. (GROUND) push the
button 2 times and only the high-rate goes off. Need to push the button 1 more time for
low-rate bottle.


What are the sources of electrical power

✓ DC Power - Battery, AC Power - GPU, APU, IDG, When they all fail the RAC takes over.


What is the TRU?

✓ Transformer rectifier unit, converts AC to DC


APU Max Re-starting Altitude

✓ 30,000 ft


APU Max Operating Altitude

✓ 33,000 ft


Logic for AC powering up sources

✓ Onside - Inside - Outside - CrossSide




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If receiving an airplane already powered up, what must be done with regard to the Safety

and PowerUp Checklist?

✓ It must be verified compliant and the fire panel test must be accomplished.


What would you do if you discover a battery at 20.5V upon power up?

✓ Call maintenance


After starting the left engine with the APU on, what generator will power AC Bus 2(Right

Engine, Not Running)?

✓ APU Generator


Leaving the GPU button pressed in and after being disconnected from AC external power

will?

✓ Not allow you to reconnect to AC power until the button is repressed in.


With a non-annunciated Aft Cargo fire on the ground, how many times do you need to press

the Aft Cargo button to discharge the low-rate fire bottle?

✓ Three


The originating flow is?

✓ Accomplished anytime maintenance has been performed.


All primary and secondary flight controls employ fly-by-wire technology except the

✓ Ailerons


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