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Questions in this quiz (89)
1When either Window Heat Switch is selected to ON position, the green ON light is illuminated if this green light is NOT illuminated. It is indicate that __________?
- AThis window is already warm. The Window Heat Control Unit does not supply power to this window.
- BThis window is not heated because of failure. After reset procedure, the Window Heat Control Unit supply power to this window.
- CWhen the airplane is in flight, this window will be heated by the Window Heat Control Unit.
2Which lights come on when the active Cabin Pressure Controller (CPC) is NOT supplied with AC electrical power? (the loss of power inflight) ?
- AAUTO FAIL & MANUAL
- BAUTO FAIL & ALTN
- CAUTO FAIL & OFF SCHED DESCENT
3Which of the followings is correct for the outflow valve position indicator?
- AOperates only during ALTN & MAN operation
- BOperates only during AUTO operation
- COperates in all pressurization modes with AC power available
4When the cabin difference pressure reaches to 8.05 psi, _______ is opened?
- AThe Positive Pressure Relief Valve
- BThe Negative Pressure Relief Valve
- CThe Outflow Valve
5The temperature Control System is controlled by ________________for the B737-600/700?
- A2 Pack/ Zone Temperature Controllers, 2 Air Conditioning Accesory Units, 1 Cabin Temperature Panel
- B1 Cabin Temperature Controllers, 1 Air Conditioning Accesory Units, 1 Cabin Temperature Panel
- C1 Pack/ Zone Temperature Controller, 1 Air Conditioning Accesory Unit, 1 Cabin Temperature Panel
6The right pack discharge duct overheat switch (250°F / 121°C) is located on ______________(B737-600/700)?
- ALeft side wall of the Electronic Equipment (E&E) Compartment
- BThe passenger overhead distribution duct
- CThe main distribution compartment
7If the Engine Anti-Ice Valve is failed in the closed position when the Engine Anti-Ice Switch is selected ON position. The blue COWL VALVE OPEN light is?
- Ailluminated bright
- Bextinguished
- Cilluminated dim
8The left pack discharge duct overheat switch (250°F / 121°C) is located on ______________(B737-600/700)?
- ALeft side wall of Electronic Equipment (E&E) Compartment
- BThe passenger overhead distribution duct
- CLeft side of the main distribution compartment
9Before an external pneumatic air is supplied to the aircraft, which condition should be mel?
- ABattery Power On 115V AC Power ON All Pack Switches OFF
- BIsolation Valve Switch AUTO APU Bleed Air Switch CLOSED All Pack Switches AUTO or HIGH
- CBattery Power OFF 115V AC Power ON All Pack Switches AUTO or HIGH
10The Trim Air Modulating Valves are controlled by __________________?
- Athe Cabin Pressure Controllers for adjust of the control/passenger cabin temperature
- Bthe Pack/Zone Controllers for basic pack temperature regulation
- Cthe Pack/Zone Controllers for fine adjustement of the control/passenger cabin temperature
11The right Pack/Zone Controller controls _____________________________?
- Athe aft cabin zone temperature and the primary flight compartment zone temperature
- Bthe forward cabin zone temperature and the primary flight compartment zone temperature
- Cthe aft cabin zone temperature and the buckup flight compartment zone temperature
12______________at 8:00 position and ______________ at 10:00 position are located on the left side of the engine core area.
- AThe High Stage Valve, The Pressure Regulating and Shutoff Valve
- BThe Precooler Control Valve, The Precooler Control Valve Sensor
- CThe Engine Anti Ice Valve, The 5th Stage Bleed Air Check Valve
13Which of the following is correct regarding the Window Anti-Icing System?
- AThe overheat test of all windows is performed by the Window Overheat Switch on the overhead panel (P5)
- BThe overheat test each window is performed by related Window Heat Control Unit in the E&E Compartment
- CThe overheat test of each window is performed by related Window Heat Switch on the overhead panel (P5)
14Which indication is NOT seen in the cockpit (on the Air Conditioning/Bleed Air Control Panel and Temperature Controls Panel) for B737-600/700 series aircraft?
- ADUCT OVERHEAT
- BPACK TRIP OFF
- CZONE TEMP
15The Trim Air Pressure Regulating and Shutoff Valve is the master trim air valve. The purpose of the Trim Air Pressure Regulating and Shutoff Valve is _____________?
- ATo adjust the contol/passenger cabin pressure
- BTo regulate the pressure downstream of the valve 4.0 psi above airplane cabin altitude
- CTo provide the fine adjustment of the temperature of the control/passenger cabin
16With the APU bleed air supplied (APU running and the APU Bleed Valve OPEN) and the Isolation Valve Switch selected to OFF?
- AThe pneumatic pressure can be indicated by the right hand pointer on the pneumatic duct pressure indicator
- BThe pneumatic pressure can be indicated by the left hand pointer on the pneumatic duct pressure indicator
- CThe pneumatic pressure can be indicated by the both the left and right hand pointers on the pneumatic duct pressure indicator
17If the Amber AUTO FAIL light illuminates,
- APositioning the Pressurisation Mode Selector to ALTN will extinguish the AUTO FAIL light
- BIt will automatically extinguish when the pressurisation controller reverts to the ALTN mode
- CPositioning the Pressurisation Mode Selector to ALTN will have no effect on the AUTO FAIL light
18Which of the following condition the recirculation fan operates with the RECIRC FAN switch on AUTO position (B737-600/700)?
- AWhen both packs operate in HIGH flow
- BWhen only one pack operates in HIGH flow
- CWhen both packs operate in LOW flow
19With a ground pneumatic source connected and the Isolation Valve Switch selected to OFF?
- AThe pneumatic pressure can be indicated by the right hand pointer on the pneumatic duct pressure indicator
- BThe pneumatic pressure can be indicated by the left hand pointer on the pneumatic duct pressure indicator
- CThe pneumatic pressure can be indicated by both the left and right hand pointers on the pneumatic duct pressure indicator
20The Precooler Control Valve is fully opened by the Wing Thermal Anti-Ice Solenoid Valve when the Wing Thermal Anti-Ice Switch is selected to ON position if the aircraft is?
- AIn flight
- BOn ground
- CIn cruise
21The pressure and temperature of the external pneumatic source must NOT exceed ______?
- A490°F / 254°C and 42 psi
- B450°F / 232°C and 60 psi
- C190°F / 88°C and 36 psi
22When the cabin altitude reaches to _________, the cabin altitude warning horn will sound and the CABIN ALTITUDE red lights on panel P1 and P3 come on.
- A14.500 feet
- B14.000 feet
- C10.000 feet
23Heat to the mast is always on when power is on the airplane The drain mast heating elements operate on these two voltages.
- A115V AC in flight , 28V AC on ground
- B115V AC on ground , 28V AC in flight
- C28V DC on ground , 115V DC in flight
24The isolation valve ______________________________
- AIsolates left engine bleed air duct from the APU bleed air duct and is closed during normal operation
- BIsolates left & right sides of the pneumatic manifold and is closed during normal operation
- CIsolates right engine bleed air duct from the pneumatic ground air connection point and is open for engine start
25 _________________provide air for the pneumatic system.
- AExternal Pneumatic Air , APU and 5th and/or 9th stage engine bleeds
- BExternal Pneumatic Air , APU and 6th and/or 8th stage engine bleeds
- CGround Conditioned Air, APU and 5th and/or 9th stage engine bleeds
26_________________,_________________ and _________________ are located in the engine bleed air strut duct, down stream of the precooler on the left side of the pylon. Access is through a strut access panel.
- AThe Wing Thermal Anti-Ice Solenoid Valve, the High Stage Regulator, The Bleed Air Regulator
- BThe Precooler Control Valve Sensor, 450°F (232°C) Thermostat, 490°F (254°C) Overtemperature Switch
- CThe Over Pressure Switch, The Duct Pressure Transducer, 450°F (232°C) Thermostat
27The Over Pressure Switch, The Duct Pressure Transducer, 450°F (232°C) Thermostat ____________.
- APrimary or backup passenger compartment zone temperature control failure
- BPrimary and backup flight compartment zone temperature control failure
- CPrimary or backup flight compartment zone temperature control failure
28Overhead Switches cause a pack trip located in the (B737-800/900)___________
- AACM Compressor discharge duct, turbine inlet duct and supply duct before mix manifold
- BACM Compressor discharge duct, supply duct before mix manifold, and passenger cabin overhead at row 5
- CACM Compressor discharge duct, turbine inlet duct and heat exchanger cooling ram air duct
29The Engine Bleed Valve ( Pressure Regulating and Shutoff Valve PRSOV) over pressure switch is located on ___________
- ABleed Air Regulator
- BHigh Stage Regulator
- CEngine Bleed Valve
30Which statement is correct regarding single pack operation with one pack switch in AUTO and the other pack switch in OFF position in flight?
- ARemaining pack goes to high flow in flight when Flaps are UP
- BRemaining pack goes to high flow with Flaps UP or DOWN
- CRemaining pack automatically switches to the standby pack operation
31When the Wing Anti-Ice Switch is selected to ON position on ground, the Right and Left Wing Anti-Ice Valve is opened. If the temperature in the right wing leading edge reaches 257°F (125°C).?
- AThe Right Wing Anti-Ice Valve is automatically closed
- BBoth Wing Anti-Ice Valve are automatically closed
- CThe Precooler control valve is fully opened
32The Engine Bleed Air Precooler System?
- ACools 5th stage Engine Bleed Air only
- BCools both the 5th and the 9th stages of Engine Bleed Air
- CBleed Air only Engine
33With one Air Conditioning Pack Switch selected to HIGH?
- AThat pack will regulate to LOW FLOW with Flaps Extended
- BFlap Selection has no effect on the flow rate of that pack
- CHIGH FLOW only with.
34What do the duct pressure pointers indicate when one pack valve switch is placed to OFF with the APU providing Bleed Air and Isolation Valve in AUTO?
- AOnly the Left pointer indicates APU Bleed Pressure
- BOnly the Right pointer indicates APU Bleed Pressure
- CBoth
35When using the Pneumatic Aircraft the Battery Switch?
- AMust be ON and Air Conditioning Pack Switches ON
- BMust be ON or OFF when using Aircraft Air Conditioning
- CMust be ON and Air Conditioning Pack Switches OFF
36When the Red CABIN ALTITIDE lights illuminates on the P1 and P3 panel , If the cabin altitude goes to?
- A10.000 feet
- B8.000 feet
- C15.000 feet
37Why does the DUAL BLEED light illuminate?
- AWhen the APU Bleed Valve is CLOSED and the Engine Bleed Switches are ON
- BWhen the APU Bleed Valve is OPEN and the Engine Bleed Switches are ON
- CWhen the APU Bleed Valve is CLOSED and the Engine Bleed Switches are OFF
38During a Master Caution Light Recall, the Right PACK light Illuminates ?
- AIndicating a failure of other the primary or standby pack control
- BIndication the right air conditioning pack is in HIGH flow
- CIndicating the left pack has been selected OFF and the right pack may overload
39The OFF SCHED DESCENT light illuminates if,
- AThe aircraft has climbed selected flight altitude (as set in the FLT ALT window)
- BThe aircraft has descended before reaching the selected flight altitude ( as set in the FLT ALT window)
- CThe aircraft has climbed above the selected flight altitude (as set in the FLT ALT window)
40The maximum differential pressure for positive relief valve operation is _____________?
- A8,95 PSI
- B8,15 PSI
- C8,00 PSI
41Right pack and zone controller consist of a __________?
- APrimary and Standby Controller for its respective pack
- BPrimary Controller on
- CPrimary Controller for its pack and a standby controller for the other pack
42In case of a clogging in water separator in B737-700 aircraft ;
- AIndicator disk on the water separator is in red range
- BPack Light (amber) illuminates
- CDuct Overheat Light (amber) illuminates
43The purpose of the trim air pressure regulating valve is,
- Ato provide fine adjustment of temperature of the cabin zones
- Bto regulate the hot air pressure 4 PSI more than the cabin pressure
- Cto regulate the mass of air flow at the inlet of the packs
44What are the conditions for E/C cooling fans operation?
- AA) The respective equipment cooling switch is in the supply/alternate positionASD
- BB) The recirculation fan switch must be in the OFF position/the pack are at high flow
- CC) Both of pack switches must be OFF position /the recirculation fan switch is the AUTO
45In Boeing 737 600/700 aircrafts , The right pack discharge overheat switch is located in?
- AE/C compartment
- BDistribution manifold in the cabin
- CAir conditioning mix bay
46In Boeing 737 600/700 aircrafts , The left pack discharge overheat switch is located in?
- AE /C compartment
- BDistribution manifold in the cabin
- CAir conditioning mix bay
47The forward cargo compartment is warmed?
- AOnly when the main outflow valve is in the fully open position
- BAt any time when more than 1 PSI differential pressure exist
- CIn Flight when more than 2,5 PSI differential pressure exist
48In auto pressurization mode the cabin differential pressure for take-off is?
- A0,10 PSI
- B0,25 PSI
- C0,125 PSI
49The pressurization system controls airplane pressure with?
- AA control panel, two cabin pressure controllers and two outflow valves
- BA control panel, two cabin pressure controllers and one outflow valve
- CA control panel, one cabin pressure controllers and one outflow valve
50Why does the DUAL BLEED light illuminate?
- AWhen the APU bleed valve is CLOSED and the engine bleed switches are ON
- BWhen the APU bleed valve is OPEN and the engine bleed switches are ON
- CWhen the APU bleed valve is CLOSED and the engine bleed switches are OFF
51If an OFF sched descent light comes on, The pressurization system will_____________?
- APressurize the cabin back to the take-off airport altitude
- BReturn the cabin to the last cruise altitude
- CReschedule the pressurization rate of change
52The forward door area heater is located in the
- AOn the left outboard side of the nose wheel well
- BRight side of the forward cargo compartment
- COn the right inboard side of the nose wheel well
53The bleed air duct pressure indicator____________?
- ARequires AC power for operation
- BOperates only when the CDU is operating
- CIndicates both temperature and pressure is the bleed air/duct
54When using the pneumatic Air Cent, The battery switch?
- AA) Must be ON and air conditioning pack switches ON
- BB) Must be ON or OFF when using aircraft air conditioning
- CC) Must be ON and air conditioning pack switches OFF
55Where is the receptacle for external compressed air?
- ALower left side of the fuselage
- BUpper right side of the fuselage
- CLower right side of fuselage
56The trip reset switch on the B737-800/900 air conditioning panel will reset the:
- ABLEED TRIP OFF,DUCT OVERHEAT and ZONE TEMP lights provided the fault condition has been corrected
- BDUCT OVERHEAT PACK and ZONE TEMP lights provided the fault condition has been corrected
- CBLEED TRİP OFF, PACK ,ZONE TEMP lights provided the fault condition has been corrected
57What input is required of the pilot for pressurization auto control system to function property?
- ACruise altitude and landing altitude
- BCruise altitude and take-off altitude
- CLanding altitude only
58After the overheat lights illuminated during OVERHEAT test:
- AAction is required as the restting of the system on the window heat computer
- BNo action is required as the restting of the system is automatic.
- CThe window heat switches must be momentarily positioned to OFF to reset the system
59When one air conditioning pack switch selected to HIGH;
- ARelated pack will regulate to LOW FLOW with flap extended
- BFlap selection has no effect on the flow rate of that pack
- CThe operating pack will regulate to HIGH FLOW only with flaps up
60If the external pressure exceeds the internal pressure the ______________ will open
- AOverboard exhaust valve
- BNegative pressure relief valve
- CPositive pressure relief valve
61The CONT CAB amber ZONE TEMP light illuminate with recall indicates?
- AA primary or stand-by pack controller failure
- BA primary pack controller failure only
- CA primary and stand-by pack controller failure
62The APU will switch into a high flow rate when_____________?
- AThe flaps are down
- BBoth engine bleed air switches are selected OFF. Regardless of flap position
- CThe airplane is on the ground
63When the right pack sitch is OFF and the isolation valve switch is in AUTO,the isolation valve will____________?
- AOpen
- BClose
- CModulate
64The right pack/zone temperature controller
- AControls the flight deck and provides backup control for the aft cabin
- BControls the flight deck and fwd cabin
- CControls the fwd cabin and provides backup control for the flight deck
65Burnination of the amber BLEED TRIP OFF light indicates ____________ has automatically closed?
- APressure regulating and shut off valve
- BIsolation valve
- CApu bleed valve
66The left pack zone temperature controller
- AControls the fwd cabin and provides backup control for the aft cabin
- BControls the fwd cabin and provides backup control for the flight deck
- CControls the aft cabin and provides backup control for the flight deck
67Trim air modulating valves are controlled by
- AThe pressure controllers for the fine adjustment of temperature
- BThe pack controllers for the basic temperature regulation
- CTwo pack zone controllers for the fine adjustment of temperature
68With one air conditioning pack switch selected to high?
- AThat pack will regulate to LOW FLOW with flaps extended
- BFlap selection has no effect on the flow rate of that pack
- CThe operating pack will regulate to HIGH FLOW only with flaps up
69When the PACK TRIP OFF(amber) light illuminates in 737-700 aircraft?
- AThe hot butterfly of air mix valve opens automatically
- BFlow control and shutoff valve closes automatically
- CLow limit valve closes automatically
70In Boeing 737-600/700 aircraft, The Right Pack Discharge Overheat switch is located in?
- AE/E Compartment
- BDistribution manifold in the cabin
- CAir condition mix bay
71If the amber AUTO FAIL light illuminates on pressurization panel?
- APositioning the Pressurization Mode selector to ALTERNATE will extinguish the AUTO FAİL light
- BIt will automatically extinguish when the pressurization controllers reverts to the ALTERNATE mode
- CPositioning the Pressurization Mode selector to ALTERNATE will have no effect on the AUTO FAİL light
72The outflow valve has____________?
- ATwo motors, each controlled by a decided cabin pressure controller
- BThree motors, controlled by a cabin pressure controller
- CThree motors, Two automatically controlled one manually controlled
73Which of the following overheat switches or overtemperature sensors detect an overheat condition when a PACK light illuminates (800/900)?
- ACompressor discharge overheat switch, turbine inlet overheat switch 190 F/88 C duct overheat switch or duct limit sensor
- BCompressor discharge overheat switch, turbine inlet overheat switch 190 F/88 C duct overheat switch
- CCompressor discharge overheat switch, turbine inlet overheat switch or pack discharge overheat switch
74The pitot probe heater lights are?
- AAmber in colour and associated with the system
- BNot associated with the Master Caution
- CIlluminated when heat is being supplied pitot static and probe heaters
75The High Stage Modulating and shut off valve
- AA) Is opened at all times irrespective of 5th stage air pressure output
- BB) Will open if the 5th stage air pressure is insufficient
- CC) Will open if the APU bleed air pressure is insufficient
76Standby temperature control valve is________________?
- AFully controlled by PACK/ZONE controller
- BElectrically controlled and operated
- CEither electrically controlled or pneumatically controlled
77Where is the flight compartment 190°F /88°C duct overheat switch located?(600/700)
- ADistribution compartment
- BE/E compartment
- CLeft air conditioning compartment
78The COWL ANTI-ICE light in?
- AAmber in colour indicating over temperature or overpressure
- BBlue in colour and when illuminated indicates the engine cowl anti-ice valve is in disagreement with the engine anti-ice switch
- CAmber in colour indicating overpressure only
79For B737-800/900 what controls the operating of the temperature control system?
- AThe cabin temperature controller only
- BThe temperature control panel and the air conditioning/bleed air controls panel
- CThe temperature control panel, The ACAU, and PACK/ZONE CONTROLLER
80The maximum external air pressure (Ground chart)?
- A30 PSI (at 231 degrees °C)
- B40 PSI (at 231 degrees °C)
- C60 PSI (at 231 degrees °C)
81A PACK light illuminates in flight (without recall)?
- AThe standby pack has failed but the primary control is operational
- BThe primary pack has failed but the standby control is operational
- CBoth primary and standby pack controls have failed
82An engine BLEED TRIP OFF light will illuminate?
- AWhen engine bleed air temperature or pressure exceeds a predetermined limit
- BOnly if engine bleed air pressure exceeds a predetermined limit
- COnly if engine bleed air temperature exceeds a predetermined limit
83The wing anti-ice control valves
- AAre DC motor operated
- BAre AC motor operated
- CAre pneumatically operated
84With isolation valve switch in AUTO, both engine bleed switches ON and both Air Conditioning pack switches selected to AUTO or HIGH?
- AThe isolation Valve will be closed
- BThe isolation Valve will be open
- CThe isolation Valve will be closed when the flaps are extend
85If the air cycle machine compressor discharge overheat switch is activated, this_____________?
- ACommands the RAM AİR System to full close
- BCloses the pack Flow control shut-off valve and the PACK light comes ON
- CCauses the pack to go to a HIGH FLOW Mode of operation
86The total air temperature probe?
- ADoes not required heating
- BIs electrically heated
- CIs not heated while on the ground
87When the pack discharge reaches 250 F/121 C (Overheat) to reset the air conditioner system__________?
- APush the P5 trip reset switch
- BSelect the pack switch to HIGH, then AUTO
- CReset is automatic
88When you use the wing thermal anti-icing system on the ground?
- ADe-icing fluids are not necessary
- BThere is no protection to prevent leading edge overheat conditions
- CThe WTAI solenoid bleeds control pressure from the precooler control valve
89In 737-700 series aircraft the air mix valve?
- APneumatically controlled
- BElectrically operated
- CPneumatically operated, electrically controlled
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- Quiz on asdadfsgfjgj, created by asd asd on 15/03/2022.
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