Legacy 500 Air Management RKA Questions

Question 1

List the items that use Bleed Air:

Answer 1

1. Environmental Control System (ECS)
2. Engine Start
3. Engine, Wing, and Horizontal Stabilizer Anti-Icing System
4. Cargo Heating System (optional)
5. Main Cabin Door Pressurized Seal

(AOM 9-02-40)

Question 2

When is the Cabin Temperature Control Transferred to the VIP seat panel?

Answer 2

When the detent C is selected on the PAX CABIN TEMPERATURE CONTROL KNOB
(AOM 9-02-30)

Question 3

In the event of a Bleed Leak Detection, what light will illuminate in addition to an associated CAS message?

Answer 3

The PACK, BLEED 1, BLEED 2 or BLEED APU Amber Light

(AOM 9-02-30)

Question 4

When is the Outflow Valve (OFV) Indication on the Environmental Control System (ECS) synoptic page displayed?

Answer 4

It is only available on the Ground (AOM 9-02-30)

Question 5

What are the potential Sources of Bleed Air that the Pneumatic System Controller (PSC) can automatically select from?

Answer 5

1. Engines
2. APU
3. External Connections

(AOM 9-02-40)

Question 6

Is it possible to have Bleed from the APU and the Engines simultaneously?

Answer 6

No

(AOM 9-02-40)

Question 7

During normal operation on the Ground and for taxiing, what is the primary source of bleed air?

Answer 7

The APU

(AOM 9-02-40)

Question 8

What is the Primary Source of Bleed Air in Flight?

Answer 8

The Engines

(AOM 9-02-40)

Question 9

When will the Bleed Air Source be Automatically Transitioned to the Engines?

Answer 9

When the Airplane Starts it’s Takeoff Run

(Engine TLAs higher than 50 °)

(AOM 9-02-40)

Question 10

The XBSOV (cross bleed shut off valve) is Automatically Commanded to CLOSE for what conditions?

Answer 10

1. In case of Bleed Leakage
2. Overpressure
3. Engine fire
4. Failure Condition is identified

(AOM 9-02-40)

Question 11

Can an external ground connection be used to supply pressurized air for an engine start?

Answer 11

Yes

(AOM 9-02-40)

Question 12

If an external pneumatic power source is being used and is not adjustable, what range should the pressure supply be in?

Answer 12

• Between 32 psi and 60 psi

(AOM 3-01-35)

Question 13

When is fast cooling enabled on hot days?

Answer 13

• When the difference between the cabin/cockpit temperature set point and the cabin/cockpit zone temperature is equal to or higher than 6 ° C

(AOM 9-02-50)

Question 14

When is fast warming enabled on cold days?

Answer 14

• When the difference between the cabin/cockpit temperature set point and the cabin/cockpit zone temperature is equal to or greater than 6 ° C

(AOM 9-02-50)

Question 15

What happens to the recirculation fan during fast cooling and fast warming operations?

Answer 15

• It automatically sets a higher speed to optimize system performance.

(AOM 9-02-50)

Question 16

If the air conditioning pack fails what does the PSC automatically do?

Answer 16

• It engages the pack backup operational mode and controls cabin and cockpit temperature

(AOM 9-02-50)

Question 17

What is ram air ventilation used for?

Answer 17

1. Non-Pressurized flight
2. Smoke Evacuation

(AOM 9-02-50)

Question 18

When will the PSC command the emergency RAM air door to open?

Answer 18

1. In case of LOSS of the (ECS) air conditioning PACK and the PACK backup systems

(AOM 9-02-50)

Question 19

How can the emergency RAM air door be manually commanded to open?

Answer 19

Through the DUMP button on the PRESSURIZATION control panel

(AOM 9-02-50)

Question 20

How is the Cargo Heating System operated?

Answer 20

Automatically by the PSC

(AOM 9-02-55)

Question 21

When is the main cabin door pressurized seal inflated?

Answer 21

After Takeoff

(AOM 9-02-60)

Question 22

How can the outflow valve be modulated?

Answer 22

1. Automatically (or)
2. Manually

(AOM 9-02-70)

Question 23

What position are the Negative and Positive Pressure Relief Valves (NPRV and PRV) normally in?

Answer 23

Closed

(AOM 9-02-70)

Question 24

What does pushing in the MODE selector button on the PRESSURIZATION panel allow for?

Answer 24

Manual Control of the pressurization system through the CABIN ALT knob

(AOM 9-02-30)

Question 25

What is the cabin altitude rate of change when moving the CABIN ALT knob UP or DN?

Answer 25

50 ft/min increments

(AOM 9-02-30)

Question 26

What happens when the DUMP button is pressed in the automatic mode of operation?

Answer 26

1. The Cabin is depressurized at a constant rate of change of 2,000 ft/min up to 12,000 ft
2. Emergency RAM air door is opens

AOM 9-02-70)

Question 27

What happens when the DUMP button is pressed in the Manual mode of operation?

Answer 27

1. The cabin rate of change will INCREASE with the duration of the dump command; until either the command is removed, or the altitude-limit function disables it when the cabin altitude reaches:

14,800 ft±200 ft.

1. RAM air door is also OPENED (AOM 9-02-70)

Question 28

What is the maximum differential pressure?

Answer 28

9.73 psid (5,800’ Cabin)

(AOM 2-48)

Question 29

What is the maximum differential overpressure?

Answer 29

10.4 psid

(AOM 2-48)

Question 30

What is the maximum differential negative pressure?

Answer 30

-0.5 psid

(AOM 2-48)

Question 31

What is the maximum differential pressure for takeoff and landing?

Answer 31

0.2 psid

(AOM 2-48)