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XPW Systems > Systems 5 > Flashcards

Systems 5 Flashcards

(73 cards)

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1
Q

Where can the Vapor Cycle Cooling System be used?

A

On the ground or in the air

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2
Q

How can the VCCS be powered?

A

Generators; External power

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3
Q

When selected on, what will cause the VCCS to shutdown? (3)

A

Starter switch on; windshield heat; stab de-ice and anti-ice

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4
Q

What are the option(s) for powering the electric heat subsystem?

A

External power

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5
Q

When the AUX TEMP CONTROL switch is in ELEC HEAT 1 and 2, how many heating elements are used?

A

3

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6
Q

What is powered when you set the AUX TEMP CONTROL SWITCH to BLO 1&2?

A

Aft and forward blowers

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7
Q

What is powered when you set the AUX TEMP CONTROL SWITCH to AUX COOL?

A

Aft, forward, and avionics blowers/evaporators

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8
Q

How do you power up the avionics blower when first entering the aircraft and external power is not available?

A

Battery on

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9
Q

How do you restore the VCCS operation after automatic shutdown?

A

AUX TEMP CONTROL Off/Reset

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10
Q

What is the source of air for pressurization?

A

Bleed air

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11
Q

When does the CABIN PRESSURE LO annunciator illuminate?

A

Cabin altitude exceeds 9,500’ +/- 500’

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12
Q

What does illumination of the Cabin PRESSURE HI annunciator indicate?

A

Pressure differential exceeds 11 +/- 1 psid

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13
Q

What causes the DOOR UNLOCK annunciator to illuminate?

A

The cabin door or aft fuselage door is not fully closed/locked/sealed

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14
Q

What happens when you actuate the CABIN DUMP valve?

A

Opens the right pressurization outflow valve and completely depressurizes the aircraft

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15
Q

The air cycle unit uses what air to achieve what?

A

Engine bleed air to both heat and cool

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16
Q

The TEMP knob controls the temperature control valve which mixes hot and cold air and adjusts the temperate of the conditioned air. The MODE switch does what?

A

Changes the location where the temperature is sensed

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17
Q

In the AUTOFLDK position, how is aircraft temperature maintained?

A

Based on the temperature in the ducts and flight deck

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18
Q

What happens when you turn on the CABIN OUTLET switch?

A

The cold air cabin flood valve opens, allowing cold air to enter the cabin (39°F)

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19
Q

What causes the AIR COND FAIL annunciator to illuminate? -The temperature of air exiting the ACU compressor exceeds _____°F -The pressure of the air entering the ACU compressor exceeds ____psi -The Bleed Air Switch is placed to ________

A

400°F; 53 psi; EMER

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20
Q

What happens when you place the Bleed Air Selector in the EMER position? (4)

A

Both engine pressure shutoff valves close; The emergency pressure shutoff valve opens; Up to 600°F air is ported into the cabin; The AIR COND FAIL annunciator illuminates

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21
Q

What of the following happens when you place the Bleed Air Selector in HIGH? -Both Bleed Valves Open -The flow increasing solenoid valve opens -The flow of bleed air into the ACU increases -The flow of air from the VCCS increases

A

Both bleed valves open; The flow increasing solenoid valve opens; The flow of bleed air into the ACU increases

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22
Q

Neither the crew nor the passenger oxygen system will function unless what is actuated?

A

The SYS READY PULL ON knob is pulled

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23
Q

If the green rubber dot on the lower right side of the nose is missing, what does that mean?

A

All oxygen has been vented overboard

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24
Q

When you are expecting to enter icing conditions, should you reduce the throttle before turning on the anti-ice systems?

A

NO

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25
Which of system uses electric heat only for ice protection?
Horizontal stabilizer leading edge
26
When are you allowed to operate the wing anti-ice on the ground?
During preflight checks and landing roll
27
How does the horizontal stabilizer anti-ice heat the stabilizer?
Electrical heater mats
28
If horizontal stabilizer anti-ice and de-ice are inoperative during icing conditions, how does that affect your landing configuration?
Do not use more than 10° of flaps
29
Flight in icing conditions with inoperative horizontal stabilizer anti-ice and de-ice is _______?
Prohibited
30
What is the concern when flying in visible moisture without pitot heat?
May result in erratic operation/failure of the airspeed indicator, VSI, and Altimiters
31
What does the L/R ENG ICE TEMP LO annunciator indicate?
Engine bleed air is less than 120°F
32
What does it mean if the L/R ENG ICE TEMP LO annunciator has been lit for some time with throttles above 70% N2?
The anti-ice de-ice system has failed
33
The wing anti-ice system contains which of the following elements? Ejectors; Heating pads; Heater blowers; Forced, heated flight deck air
Ejectors
34
Explain how the deice back-up system is to be used?
Momentarily
35
The oxygen cylinder in the nose of the aircraft provides?
All crew and pax oxygen
36
Climbing rapidly out of Columbus in mid-summer you notice that the oxygen pressure has dropped by 10% as you approach FL320. This indicates what?
Normal cooling of the oxygen cylinder
37
When you experience smoke and fumes with normal pressurization, what must you do to provide oxygen to the passengers?
Pull the pass oxygen knob
38
If the DOOR UNLOCK annunciator illuminates, you should?
Remain as far from the door as possible with the seatbelts securely fastened
39
40
When the engines are not running, what system provides cooling?
VCCS
41
What powers the VCCS?
Ground Power Unit Or in the air, Generators
42
When will the VCCS automatically shut down?
Engine start, windshield heat, Stab anti ice/de ice
43
The electric heat subsystem can only be used when?
On the ground with the GPU
44
ELEC HEAT 1 uses how many heaters?
1
45
ELEC HEAT 1&2 uses how many heaters?
3
46
Intake for the ACU?
Engine bleed air
47
Functions of the ACU?
Heating, cooling, and pressurization
48
When advancing power on takeoff it is normal to feel an (increase/decrease) in cabin pressure.
Increase
49
AUTO FLDK uses temperature from what to maintain aircraft temperature as desired?
Duct and flight sensors
50
AUTO DUCT function takes temperature from where?
The duct only
51
How is MAN DUCT controlled?
Manually with a hot/cold knob
52
The cabin outlet switch opens a flood valve and allows what type of air into the cabin?
Cold 39°F air
53
Where do you set the Cabin Controller during preflight?
1000' above planned cruise or 500' above field elevation, whichever is higher
54
Where do you set the Cabin Controller for decent?
500' above field pressure altitude
55
When do you get a CABIN PRESSURE HI annunciator?
Cabin differential exceeding 11 +/- psid
56
What is the maximum cabin differential?
9.1 psid
57
When do you get a CABIN PRESSURE LO annunciator?
Cabin altitude exceeding 9,500' +/- 500'
58
What action do you take if you see a door unlock annunciator?
Remain away from door with seatbelts fastened
59
Rotating the Manual Pressurization Valve to full open allows the cabin to climb to what altitude?
12,500+/- 1,500'
60
Why should you be cautious when using the Manual Pressurization control?
Can cause damage to ears
61
What happens when you rotate the Cabin Dump T-Handle?
A complete loss of pressure through the right pressurization outflow valve
62
What would happen if you left the bleed air in EMER for a long time? What kind of air is coming in?
The hot unconditioned air under high pressure will melt the cabin plastic trim
63
L/R ENG ICE TEMP LO will come on until the engine bleed air reaches what temp?
mixed air entering the piccolo tube is at or above 150 °F. During engine anti-ice operation, the L and R ENG ICE TEMP LOW annunciators illuminate if the temperature of the mixed air entering the piccolo tube falls to 120 °F
64
What are the conditions where a L/R ENG ICE TEMP LO annunciator being on indicates bleed air system failure?
Extended use with N2 at or above 70%
65
Flight in icing conditions with _______ is prohibited.
Stabilizer Anti-Ice and Deice
66
Prior to activating ENG ANTI-ICE during flight, follow checklist procedure and do not __________________.
Reduce throttle settings
67
What can happen if you fly through visible moisture without pitot heat on
Erratic operation/failure of airspeed indicator/VSI/Altimeters
68
When is it not prohibited to use Wing Anti-Ice on the ground?
Preflight checks and landing roll
69
Wing Anti-Ice uses _______ air and pushes it through the _______ and _______.
Engine bleed air; ejectors; piccolo tubes
70
WG ICE TEMP LO annunciator indicates?
Bleed air has not yet reached 140°F or System failure with Engine at or above 70% N2 Or wing leading edge decreases to 110 °F
71
Horizontal Stab Anti-Ice/Deice use on the ground is restricted to:
Test only
72
What do you do if either Horizontal Stab Anti-Ice/Deice fails?
Turn off both systems, exit icing conditions, plan for 10° flap landing
73
Horizontal Stab Anti-Ice/Deice uses what for Anti-Ice and Deice protection on the leading edge of the horizontal stabilizer?
Electrical Heating Mats

XPW Systems (6 decks)

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