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TKE > AIR CONDITIONING & PRESSURIZATION > Flashcards

AIR CONDITIONING & PRESSURIZATION Flashcards

TKE Exam

1
Q
  1. When HOT AIR “FAULT” Light comes ON on the air conditioning panel due to overheat:
    a. the Hot Air Press Regulating Valve closes and the Trim Air Valves close;
    b. the Hot Air Press Regulating Valve opens and the Trim Air Valves close;
    c. the Hot Air Press Regulating Valve closes and the Trim Air Valves open.
A

a. the Hot Air Press Regulating Valve closes and the Trim Air Valves close;

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2
Q
  1. During normal flight and with Skin Temp +35oC, the Avionics Ventilation System controls the temperature of the cooling air by:
    a. adding air from the cockpit;
    b. passing air through a skin heat exchanger;
    c. adding conditioned air to the flow;
    d. extracting air from overboard.
A

b. passing air through a skin heat exchanger;

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3
Q
  1. The Ram Air Switch should be used:
    a. at anytime;
    b. only when the Differential Pressure is less than 1 PSI;
    c. when the Differential Pressure is greater than 1 PSI;
    d. only when the outflow valve is fully opened.
A

b. only when the Differential Pressure is less than 1 PSI;

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4
Q
  1. What happens in case of failure of the primary channel of the Pack Controllers?

a. The secondary computer operates in back up mode and regulation is not
optimized;

b. The secondary computer takes over;
c. Pack is lost.

A

a. The secondary computer operates in back up mode and regulation is not
optimized;

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5
Q
  1. What happens in case of failure of the secondary channel of the Pack Controllers?
    a. No effect on pack regulation, back up mode is lost;
    b. Pack is lost;
    c. No effect.
A

a. No effect on pack regulation, back up mode is lost;

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6
Q
  1. What happens in case of failure of the Primary and Secondary Channels of the Pack Controllers?
    a. Pack Outlet Temperature is controlled at 15oC by the Anti-Ice Valve;
    b. The Pack is closed.
A

a. Pack Outlet Temperature is controlled at 15oC by the Anti-Ice Valve;

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7
Q
  1. What happens if the Hot-Air Pressure-Regulating Valve fails open?
    a. Optimised regulation is lost;
    b. The temperature stays at the value selected when the failure occurred;
    c. No effect.
A

c. No effect.

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8
Q
  1. Bleed air supplied from the APU (APU Bleed Valve open), the pack flow is automatically selected:
    a. High
    b. Normal
    c. Low
A

a. High

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9
Q
  1. Each Trim Air Valve optimizes the temperature by:
    a. adding hot air;
    b. adding fresh air;
    c. modulation of pack flow.
A

a. adding hot air;

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10
Q
  1. The Hot-Air Pressure-Regulating Valve:
    a. regulates the pressure of hot air tapped upstream of the packs;
    b. is spring-loaded open in the absence of air;
    c. opens automatically in case of duct overheat.
A

a. regulates the pressure of hot air tapped upstream of the packs;

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11
Q
  1. The Pack Flow Control Valve is:
    a. pneumatically operated and electrically controlled;
    b. electrically operated and pneumatically controlled;
    c. opens automatically during engine starting.
A

a. pneumatically operated and electrically controlled;

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12
Q
  1. The Temperature Selectors are located in:
    a. the cockpit;
    b. the cabin;
    c. both.
A

a. the cockpit;

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13
Q
  1. Pack flow may be selected from:
    a. the cockpit;
    b. the cabin;
    c. both.
A

a. the cockpit;

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14
Q
  1. For engine pressure demand, when the heating or cooling demand in one zone cannot be satisfied:
    a. the minimum idle must be increased manually;
    b. the minimum idle must be increased automatically;
    c. in any case, flight idle is sufficient.
A

b. the minimum idle must be increased automatically;

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15
Q
  1. What is the maximum normal cabin altitude?
    a. 8,000 FT
    b. 9,550 + 350 FT;
    c. 14,000 FT.
A

a. 8,000 FT

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16
Q
  1. What is the maximum negative differential pressure for the cabin?
    a. 0 PSI
    b. 0.1 PSI
    c. 0.-2 PSI
A

b. 0.1 PSI

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17
Q
  1. Is it possible to simultaneously use Packs and LP Ground Unit during long stops in hot airfield?
    a. Yes
    b. No
    c. Yes, if external temperature is >50oC
A

b. No

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18
Q
  1. The Trim Air Valves are modulated by:
    a. the Zone Controller
    b. Pack Controllers
    c. Hot Air Pressure Regulating Valve.
A

a. the Zone Controller

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19
Q
  1. The Mixing Unit is connected to:
    a. Packs, Cabin Air, Emergency Ram Air Inlet and LP Ground Connector;
    b. Packs, Emergency Ram Air Inlet and LP Ground Connector;
    c. Packs and Cabin Air.
A

a. Packs, Cabin Air, Emergency Ram Air Inlet and LP Ground Connector;

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20
Q
  1. Once set to “ON”, the Air Conditioning Packs operate:
    a. automatically and independently of each other;
    b. manually and independently of each other
    c. automatically, Pack 1 as a master, Pack 2 as a slave.
A

a. automatically and independently of each other;

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21
Q
  1. When the Ram Air push button is set to “ON”, the Emer Ram Air Inlet Valve will open:
    a. in any case;
    b. provided ditching is not selected;
    c. P < 1PSI and ditching is not selected.
A

b. provided ditching is not selected;

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22
Q
  1. In case of Zone Controller Primary Channel failure, which temperature is delivered by the Packs?
    a. Pack 1 controls the cockpit temperature at 24oC (75oF), Pack 2 controls the FWD and AFT Cabins temperature at 24oC (75oF);
    b. Pack 1 controls a fixed temperature at 20oC (68oF), Pack 2 controls a fixed temperature at 10oC (50oF);
    c. the Outlet Temperature for Packs 1 and 2 is fixed at 15oC (59oF).
A

a. Pack 1 controls the cockpit temperature at 24oC (75oF), Pack 2 controls the FWD and AFT Cabins temperature at 24oC (75oF);

23
Q
  1. Conditioned Air is distributed to:
    a. Cockpit, Cargo Bays and Cabin;
    b. Cockpit, Forward Cabin and Aft Cabin;
    c. Cockpit, Avionics Bay, Cabin.
A

b. Cockpit, Forward Cabin and Aft Cabin;

24
Q
  1. The Cabin Zone Temperature Sensors are ventilated by the air extracted by the Lavatory and Galley fans.

a. True
b. False

A

a. True

25
Q
  1. Temperature Control is automatic and is regulated by:
    a. Zone Controller
    b. Pack 1 and 2 Controllers
    c. both A and B above.
A

c. both A and B above.

26
Q
  1. If a Pack Controller fails, the Pack Outlet Air Temperature is regulated to:
    a. 10oC (50oF)
    b. 18oC (64oF)
    c. 15oC (59oF)
A

c. 15oC (59oF)

27
Q
  1. In case of Pack Controller failure, the Pack Outlet Air Temperature is controlled by:
    a. Pack By-Pass Valve
    b. Pack Anti-Ice Valve
    c. Pack Flow Control Valve
A

b. Pack Anti-Ice Valve

28
Q
  1. When the Ram Air push button is set to “ON”, the Outflow Valve:
    a. closes;
    b. opens each time;
    c. opens when Differential Pressure is greater than 1 PSI.
A

c. opens when Differential Pressure is greater than 1 PSI.

29
Q
  1. The Pack Flow Control Valve closes automatically in case of:
    a. Pack overheat, Engine Fire push button released, Engine Start, Ditching push button pressed;
    b. bleed valve failure, pack outlet pressure increase;
    c. Both A and B.
A

a. Pack overheat, Engine Fire push button released, Engine Start, Ditching push button pressed;

30
Q
  1. In case of Trim Air System Fault, the Secondary Channel of the Zone Controller regulates the Zone Temperature at:
    a. 14oC (57oF)
    b. 24oC (75oF)
    c. 15oC (59oF)
A

b. 24oC (75oF)

31
Q
  1. In case of Total Zone Controller failure:
    a. Hot Air and Trim Valves open and Packs deliver air at fixed temperature – 15oC (59oF) Pack 1, 10oC (50oF) Pack 2;
    b. Hot Air and Trim Valves close and Packs deliver air at fixed temperature – 15oC (59oF) Pack 1, 10oC (50oF) Pack 2;
    c. Hot Air and Trim Valves close and Packs deliver air at fixed temperature – 20oC (68oF) Pack 1, 10oC (50oF) Pack 2.
A

c. Hot Air and Trim Valves close and Packs deliver air at fixed temperature – 20oC (68oF) Pack 1, 10oC (50oF) Pack 2.

32
Q
  1. During landing run, the Pack Air Flaps open when speed is less than:
    a. 77 kts (after 30 seconds delay);
    b. 70 kts (after 3 minutes);
    c. 70 kts (after 20 seconds delay).
A

c. 70 kts (after 20 seconds delay).

33
Q
  1. When the APU is supplying the Packs, the Pack Controller sends a demand signal to increase air flow when a zone temperature cannot be satisfied:
    a. to the Pack Ram Air Inlet Flap;
    b. to the APU ECB;
    c. Pack Flow Control Valve.
A

b. to the APU ECB;

34
Q
  1. In case of Zone Controller Primary and Secondary Channels failure, which temperature is delivered by each Pack?
    a. 25oC (59oF) Both;
    b. 20oC (68oF) Pack 1, 10oC (50oF) Pack 2
    c. 24oC (75oF) Pack 1 - 15oC (59oF) Pack 2
    d. 15oC (59oF) Both
A

b. 20oC (68oF) Pack 1, 10oC (50oF) Pack 2

35
Q
  1. When the Ditching Switch is set to “ON”, a closure signal is sent to:
    a. Outflow Valve;
    b. Ram Air Inlet, and Ventilation Inlet and Extract Valves;
    c. The Pack Flow Control Valves;
    d. All of the above.
A

d. All of the above.

36
Q
  1. In normal operation, pressurization is:
    a. fully automatic;
    b. manually controlled;
    c. both A and B.
A

a. fully automatic;

37
Q
  1. In flight, with Pressure Controller 1 in use, if it fails:
    a. You have to use the manual control;
    b. Automatic transfer to Controller 2;
    c. You have to manually select Controller 2;
    d. You have to set the Landing Elevation.
A

b. Automatic transfer to Controller 2;

38
Q
  1. The Outflow Valve is powered by:
    a. One of two electric motors;
    b. One of three electric motors;
    c. Three mechanically linked electric motors.
A

b. One of three electric motors;

39
Q
  1. During ground function operation, the Outflow Valve is:
    a. fully open;
    b. fully closed;
    c. positioned according to FMGS demands.
A

a. fully open;

40
Q
  1. To see the position of the Outflow Valve, it is necessary to call ECAM:
    a. COND Page
    b. BLEED Page
    c. PRESS Page
A

c. PRESS Page

41
Q
  1. Two identical independent, automatic digital pressurization controllers are used for system control:
    a. One controller active, one in standby;
    b. Both controllers monitored by FMGC;
    c. Controller No1 for climb phase and controller No2 in cruise and descent.
A

a. One controller active, one in standby;

42
Q
  1. Which controller generates excess cabin altitude and pressure outputs for ECAM indication in Manual Mode?
    a. Both
    b. No1
    c. No2
A

b. No1

43
Q
  1. When the Ram Air push button set to “ON”, the Outflow Valve will partially open when:
    a. > 1.5 PSI
    b. < 3 PSI
    c. < 1 PSI
A

c. < 1 PSI

44
Q
  1. The purpose of the Safety Valves is to avoid:
    a. Excessive positive differential pressure;
    b. Excessive negative differential pressure;
    c. Both A and B above.
A

c. Both A and B above.

45
Q
  1. The Safety Valves are operated:
    a. Electrically
    b. Hydraulically
    c. Pneumatically
A

c. Pneumatically

46
Q
  1. When Landing Elevation is set to Auto, the Landing Elevation is sent to the controller from:
    a. FMGS
    b. FCU
    c. ADIRS
A

a. FMGS

47
Q
  1. When MODE SEL is set to Manual, the Outflow Valve is controlled by signals
    sent via Controller 1 or 2.

a. TRUE
b. FALSE

A

b. FALSE

48
Q
  1. On ECAM CAB Press Page, the Outflow Valve indicator changes to AMBER if:
    a. Fully closed;
    b. Fully open in flight;
    c. Fully open on ground.
A

b. Fully open in flight;

49
Q
  1. On ECAM CAB Press Page, the Safety Valve indication changes to AMBER if:
    a. Both Safety Valves are fully open;
    b. One Safety Valve is open;
    c. Both Safety Valves are fully closed.
A

b. One Safety Valve is open;

50
Q
  1. On ECAM CAB Press Page, the Cabin Altitude indication changes to RED when Cabin Altitude is:
    a. > 14,000 FT
    b. > 8,500 FT
    c. > 9,550 FT
A

c. > 9,550 FT

51
Q
  1. Following a System 1 fault:
    a. Master Caution is activated and ECAM actions must be taken by the crew;
    b. System 2 must be selected by the crew;
    c. System 2 takes over automatically without crew action.
A

c. System 2 takes over automatically without crew action.

52
Q
  1. Cabin Pre-Pressurization starts at:
    a. Engine Start
    b. Take-Off power selection
    c. Lift-Off
A

b. Take-Off power selection

53
Q
  1. The Pressure Safety Valves open at:
    a. 8.06 PSI
    b. 8.6 PSI
    c. 9.0 PSI
    d. 7.6 PSI
A

b. 8.6 PSI

TKE (7 decks)

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