EJET SYSTEMS - IN CLASS QUESTIONS (ORAL/TEST)

Question 1

What is the only that amber light on the BLEED switch light comes on for?

Answer 1

Duct Leak

Question 2

How much recirculated air is being used for cabin air?

Answer 2

52% fresh air, 48% recirculating air

Question 3

What are the 4 main parts of the cabin pressurization controller?

Answer 3

• Cabin Outflow Valve
• Negative Pressure Relief Valve
• Positive Pressure Relief Valve
• Static Port

NOTE: ALL PARTS TO THE CABIN PRESSURIZATION CONTROL SYSTEM (CPCS), the CONTROLLER is the 5th part to the system

Question 4

In manual mode on the pressurization controller (switch), will the differential go to zero?

Answer 4

No, we have to do it manually

Question 5

In manual mode (pressurization controller), will the cabin depressurize automatically on the ground (after landing)?

Answer 5

No, the cabin flap vent door will depressurize the cabin

Question 6

When does FADEC not protect the airplane? (Engine)

Answer 6

During start in flight

Question 7

Can you power back the airplane? (Engine)

Answer 7

No, because you can damage the engines with FOD

Question 8

Is ATTCS reserve thrust or reduced thrust? (Engine)

Answer 8

Reserve thrust, reduced thrust is flex

Question 9

When does the electric hydraulic pump come on-line in AUTO?

Answer 9

• Lose an engine, it comes online
• Hydraulic failure (EDP fails)
• Takeoff, Flaps out of zero and advance thrust

Question 10

When does the electric pumps come back on-line in AUTO feature?

Answer 10

• Flaps out of zero for landing

Question 11

What prevents the RAT from being seized up?

Answer 11

Flow limiter and pump unloader valve

Question 12

What is the trim priority on the aircraft?

Answer 12

• Backup
• Captain
• FO
• Autopilot

Question 13

With the RAT powering the AC ESS bus is the trim rate the same?

Answer 13

Trim rate is half the rate with RAT powering the AC ESS (AC ESSENTIAL) bus

Question 14

what does the RAT power?

Answer 14

AC ESSENTIAL BUS

• AC fuel pump 2A
• ACMP 3A (Hydraulic 3A)
• SF-ACE1 Flap ch. 1 AC FEED (FLAPS)
• SF ACE2 Slat ch. 2 AC FEED (SLATS)

Question 15

What is the trim priority on the aircraft? (Flight Controls)

Answer 15

• Backup
• CA
• FO
• Autopilot

Question 16

With the RAT powering the AC ESS bus is the trim rate the same? (Flight Controls)

Answer 16

Trim rate is half the rate with RAT powering the AC ESS

Question 17

When does the APU automatically shut down in flight or on ground?

Answer 17

Ground = UFO

Flight = UFO SHELF

Question 18

When does the Radar Altimeter kick in? (Flight Instruments)

Answer 18

2,500 feet AGL

Question 19

Does the engine anti-ice have to go thru the engine bleed valve to get to the engines? (Ice and Rain Protection)

Answer 19

No, they go to the engines nacelle and exit out of the bottom