What controls cabin pressurization

What controls cabin pressurization
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B. Outflow valve
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Related questions

What controls cabin pressurisation? a. ECS pack mass flow controller b. Outflow valve c. Engine bleed valve d. Inflow valve

Description : What controls cabin pressurisation? a. ECS pack mass flow controller b. Outflow valve c. Engine bleed valve d. Inflow valve

Last Answer : b. Outflow valve

In the event of cabin depressurization, the actions of the pilot will be to: a. Immediately commence a diversion to a suitable alternate b. Increase engine power to provide additional airflow to the pressurization systems c. Maintain the aeroplane altitude to prevent further damage to the airframe by over loading of the structure d. Commence a descent to an altitude where the supplemental oxygen supply is sufficient for all crew and passengers

Description : In the event of cabin depressurization, the actions of the pilot will be to: a. Immediately commence a diversion to a suitable alternate b. Increase engine power to provide additional ... a descent to an altitude where the supplemental oxygen supply is sufficient for all crew and passengers

Last Answer : d. Commence a descent to an altitude where the supplemental oxygen supply is sufficient for all crew and passengers

What is the 1st action taken by the pilot in the event of a cabin decompression above 10,000 ft

Description : What is the 1st action taken by the pilot in the event of a cabin decompression above 10,000 ft

Last Answer : don oxygen mask and check oxygen flow

A pilot suffering from decompression sickness should: a. Descend to a lower level where the symptoms will disappear and continue the flight at this or a lower level b. Decrease the cabin pressure to relieve the symptoms c. Continue the flight at a lower altitude and carry out exercises to relieve the pain in the affected site d. Land as soon as possible and seek medical assistance

Description : A pilot suffering from decompression sickness should: a. Descend to a lower level where the symptoms will disappear and continue the flight at this or a lower level b. Decrease the cabin pressure ... relieve the pain in the affected site d. Land as soon as possible and seek medical assistance

Last Answer : d. Land as soon as possible and seek medical assistance

If cabin pressure is decreasing, the cabin VSI will indicate

Description : If cabin pressure is decreasing, the cabin VSI will indicate

Last Answer : B. Climb

The excess cabin altitude alerting system must operate to warn the crew at: a. 8,000ft b. 10,000ft c. 13,000ft d. 14,000ft

Description : The excess cabin altitude alerting system must operate to warn the crew at: a. 8,000ft b. 10,000ft c. 13,000ft d. 14,000ft

Last Answer : b. 10,000ft

If cabin pressure is decreasing, the cabin VSI will indicate: a. Zero b. Climb c. Descent d. Reducing pressure

Description : If cabin pressure is decreasing, the cabin VSI will indicate: a. Zero b. Climb c. Descent d. Reducing pressure

Last Answer : b. Climb

Cabin altitude in pressured flight is: a. The altitude corresponding to cabin pressure regardless of aircraft height b. Is presented on a second needle on the aircraft altimeter c. Altitude at which cabin pressure equals ambient pressure d. Altitude corresponding to cabin pressure in relation to MSL ISA conditions

Description : Cabin altitude in pressured flight is: a. The altitude corresponding to cabin pressure regardless of aircraft height b. Is presented on a second needle on the aircraft altimeter c. ... pressure equals ambient pressure d. Altitude corresponding to cabin pressure in relation to MSL ISA conditions

Last Answer : a. The altitude corresponding to cabin pressure regardless of aircraft height

Maximum Differential pressure: a. Is the maximum authorized pressure difference between the inside of the fuselage and the atmospheric ambient pressure b. Is the absolute pressure provided by the vacuum pump c. Is the pressure loss over a given time limit d. Is the absolute pressure the cabin pressure ducting is designed to carry

Description : Maximum Differential pressure: a. Is the maximum authorized pressure difference between the inside of the fuselage and the atmospheric ambient pressure b. Is the absolute pressure provided by the vacuum ... time limit d. Is the absolute pressure the cabin pressure ducting is designed to carry

Last Answer : a. Is the maximum authorized pressure difference between the inside of the fuselage and the atmospheric ambient pressure

When would the negative differential limits be reached/exceeded? a. Rapid descent when AC descends below cabin altitude b. During ground pressure testing c. Rapid ascent when aircraft climbs d. When changing to manual operation

Description : When would the negative differential limits be reached/exceeded? a. Rapid descent when AC descends below cabin altitude b. During ground pressure testing c. Rapid ascent when aircraft climbs d. When changing to manual operation

Last Answer : a. Rapid descent when AC descends below cabin altitude

During a general briefing at the pre-flight stage, the captain should emphasize: a. The complete delegation of all duties b. The importance of crew coordination c. The priority of departing on schedule d. The avoidance of inadequate handling of controls

Description : During a general briefing at the pre-flight stage, the captain should emphasize: a. The complete delegation of all duties b. The importance of crew coordination c. The priority of departing on schedule d. The avoidance of inadequate handling of controls

Last Answer : b. The importance of crew coordination

What controls cabin pressurisation? a. ECS pack mass flow controller b. Outflow valve c. Engine bleed valve d. Inflow valve

Description : What controls cabin pressurisation? a. ECS pack mass flow controller b. Outflow valve c. Engine bleed valve d. Inflow valve

Last Answer : b. Outflow valve

You're 36,000 ft. above earth and a hole erupts in the fuselage of the aircraft you are in. What are your thoughts and what would you do?

Description : You're 36,000 ft. above earth and a hole erupts in the fuselage of the aircraft you are in. What are your thoughts and what would you do?

Last Answer : I am not very religious but I think I would pray.

When did FEDEX add the B777 to their fleet?

Description : When did FEDEX add the B777 to their fleet?

Last Answer : UScitizen Try this ==> http://mediacenter.fedex.designcdt.com/taxonomy/term/753 Last fall.

Aircraft Carrier

Description : Aircraft Carrier

Last Answer : An aircraft carrier gets about 6 inches per gallon of fuel.

What Positions are connected by isobars on the surface weather chart?

Description : What Positions are connected by isobars on the surface weather chart?

Last Answer : OSITIONS WITH THE SAME AIR PRESSURE AT A GIVEN LEVEL

The station pressure used in surface weather charts is

Description : The station pressure used in surface weather charts is

Last Answer : Qff

If you are flying at FL300 in an airmass that is 15*C warmer than a standard atmosphere, what is the outside temperature likely to be?

Description :  If you are flying at FL300 in an airmass that is 15*C warmer than a standard atmosphere, what is the  outside temperature likely to be?

Last Answer : 30*C

How would you characterize an air temperature of -55*C at the 200HPA level over western Europe?

Description : How would you characterize an air temperature of -55*C at the 200HPA level over western Europe?

Last Answer : WITH IN + 5*C OF ISA

What is the boundary layer between troposphere and stratosphere called?

Description : What is the boundary layer between troposphere and stratosphere called?

Last Answer : TROPOPAUSE

The greater the pressure gradient the: a. Closer the isobars and the lower the temperatures b. Further the isobars will be apart and the higher the temperature c. Closer the isobars and the stronger the wind

Description : The greater the pressure gradient the:  a. Closer the isobars and the lower the temperatures  b. Further the isobars will be apart and the higher the temperature  c. Closer the isobars and the stronger the wind

Last Answer : c. Closer the isobars and the stronger the wind

In an area of converging air a. Clouds cannot be formed b. Clouds can be formed c. Convective clouds can be dissolved d. Stratified clouds can be dissolved

Description : In an area of converging air  a. Clouds cannot be formed  b. Clouds can be formed  c. Convective clouds can be dissolved  d. Stratified clouds can be dissolved

Last Answer : b. Clouds can be formed

In which zone of a jetstream is the strongest CAT to be expected? a. The warm air side of the core b. Exactly in the center of the core c. About 12,000ft above the core d. The cold air side of the core

Description : In which zone of a jetstream is the strongest CAT to be expected?  a. The warm air side of the core  b. Exactly in the center of the core  c. About 12,000ft above the core  d. The cold air side of the core

Last Answer : d. The cold air side of the core

From a pre-flight briefing you know a jet stream is at 31,000ft whilst you are at FL270. You experience moderate CAT. What would be the best course of action? a. Stay level b. Descend c. Climb d. Reduce speed

Description : From a pre-flight briefing you know a jet stream is at 31,000ft whilst you are at FL270. You  experience moderate CAT. What would be the best course of action?  a. Stay level  b. Descend  c. Climb  d. Reduce speed

Last Answer : b. Descend 

Refer to the following TAF for Zurich LSZH 261019 20018G30KT 9999 –RA SCT050 BKN080 TEMPO 23012KT 6000 –DZ BKN015 BKN030 BECMG 1518 23020G35KT 4000 RA OVC010= The lowest visibility forecast at ETA Zurich 1430 UTC is: a. 6km b. 6nm c. 4km d. 10km

Description : Refer to the following TAF for Zurich   LSZH 261019 20018G30KT 9999 –RA SCT050 BKN080 TEMPO 23012KT 6000 –DZ  BKN015 BKN030 BECMG 1518 23020G35KT 4000 RA OVC010=  The lowest visibility forecast at ETA Zurich 1430 UTC is:  a. 6km  b. 6nm  c. 4km  d. 10km

Last Answer : a. 6km

Which of the following statements is an interpretation of the METAR? 00000KT 0200 R14/0800U R16/P1500U FZFG VV001 m03/m03 Q1022 BECMG 0800 = a. Meteorological visibility 200m, RVR for runway 16 1500m, temperature -3°C, vertical visibility 100m b. Meteorological visibility 200ft, RVR for runway 16 more than 1500m, vertical visibility 100ft, fog with hoar frost c. Meteorological visibility for runway 14 800m, fog with hoar frost, RVR for runway 16 more than 1500m d. RVR for runway 14 800m, vertical visibility 100ft, calm, meteorological visibility improving to 800m in the next 2 hours

Description : Which of the following statements is an interpretation of the METAR?   00000KT 0200 R14/0800U R16/P1500U FZFG VV001 m03/m03 Q1022 BECMG 0800 =  a. Meteorological visibility 200m, RVR for ... 800m, vertical visibility 100ft, calm, meteorological visibility  improving to 800m in the next 2 hours

Last Answer : d. RVR for runway 14 800m, vertical visibility 100ft, calm, meteorological visibility  improving to 800m in the next 2 hours

The code “BECMG FM 1100 –RASH” in a METAR means: a. From 1100UTC, the cessation of rain showers b. Becoming from 1100UTC slight rain showers

Description : The code “BECMG FM 1100 –RASH” in a METAR means:  a. From 1100UTC, the cessation of rain showers  b. Becoming from 1100UTC slight rain showers  c. Becoming from 1100UTC rain showers  d. Becoming from 1100UTC till 0000UTC slight rain showers

Last Answer : b. Becoming from 1100UTC slight rain showers

What is the coldest time of the day? a. 1hr before sunrise b. 1/2 hr before sunrise c. At exact moment of sunrise d. 1/2 hour after sunrise

Description : What is the coldest time of the day?  a. 1hr before sunrise  b. 1/2 hr before sunrise  c. At exact moment of sunrise  d. 1/2 hour after sunrise

Last Answer : d. 1/2 hour after sunrise

The station pressure used in surface weather charts is: a. QNE b. QFF c. QFE d. QNH

Description : The station pressure used in surface weather charts is:  a. QNE  b. QFF  c. QFE  d. QNH

Last Answer : a. QNE

With regard to RVR and Met vis: a. Met vis is usually less than RVR b. Met vis is usually greater than RVR c. RVR is usually less than met vis d. Met vis and RVR are usually the same

Description : With regard to RVR and Met vis:  a. Met vis is usually less than RVR  b. Met vis is usually greater than RVR  c. RVR is usually less than met vis  d. Met vis and RVR are usually the same

Last Answer : a. Met vis is usually less than RVR

Which constant pressure altitude chart is standard for a 30,065 ft pressure level (FL 300)? a. 200 hPa b. 700 hPa c. 500 hPa d. 300 hPa

Description : Which constant pressure altitude chart is standard for a 30,065 ft pressure level (FL 300)?  a. 200 hPa  b. 700 hPa  c. 500 hPa  d. 300 hPa

Last Answer : d. 300 hPa

In what frequency band is the ATIS normally broadcasted? a. LF b. HF c. ADF d. VHF

Description : In what frequency band is the ATIS normally broadcasted?  a. LF  b. HF  c. ADF  d. VHF

Last Answer : d. VHF

You are cruising at FL 200, OAT is -40°C, sea level pressure is 1033 hPa. Calculate the true altitude. a. 20,660 ft b. 21,740 ft c. 18,260 ft d. 19, 340 ft

Description : You are cruising at FL 200, OAT is -40°C, sea level pressure is 1033 hPa. Calculate the true  altitude.  a. 20,660 ft  b. 21,740 ft  c. 18,260 ft  d. 19, 340 ft

Last Answer : d. 19, 340 ft

A flight is to depart from an airport with runway 09 and 27. Surface wind is 270/05; an inversion is reported at 300 feet with turbulence and wind shear. The wind just above the inversion is 090/30. What is the safest departure procedure? a. Take-off is not possible under these conditions b. Depart on runway 09 with a tailwind c. Depart runway 27 with maximum throttle during the passage through the inversion d. Depart runway 27 with as steep an ascent as possible

Description : A flight is to depart from an airport with runway 09 and 27. Surface wind is 270/05; an  inversion is reported at 300 feet with turbulence and wind shear. The wind just above the  ... throttle during the passage through the inversion  d. Depart runway 27 with as steep an ascent as possible

Last Answer : b. Depart on runway 09 with a tailwind

ATC will only report wind as gusting if: a. Gust speed exceeds mean speed by >15kts b. Gusts to over 25kts c. Gusts exceed mean speed by 10kts d. Gusts to under 25kts

Description : ATC will only report wind as gusting if:  a. Gust speed exceeds mean speed by >15kts  b. Gusts to over 25kts  c. Gusts exceed mean speed by 10kts  d. Gusts to under 25kts

Last Answer : c. Gusts exceed mean speed by 10kts 

Two aircrafts, one with a sharp wing profile (S) and the other with a thick profile (T), are flying through the same cloud with the same true airspeed. The cloud consists of small supercooled droplets. Which of the following statements is most correct concerning ice accretion? a. Aircraft T experiences more icing than S b. Aircraft S and T experience the same amount of icing c. Neither of the aircrafts accumulate ice due to the small size of droplets d. Aircraft S experiences more icing than T

Description : Two aircrafts, one with a sharp wing profile (S) and the other with a thick profile (T), are flying  through the same cloud with the same true airspeed. The cloud consists of small  ... aircrafts accumulate ice due to the small size of droplets  d. Aircraft S experiences more icing than T

Last Answer : d. Aircraft S experiences more icing than T

How does a pilot react to heavy freezing rain at 2,000ft/AGL, when he is unable to deice nor land? a. He ascends to the cold air layer above b. He continues to fly at the same altitude c. He turns back before the aircraft loses maneuverability d. He descends to the warm air layer below

Description : How does a pilot react to heavy freezing rain at 2,000ft/AGL, when he is unable to deice nor  land?  a. He ascends to the cold air layer above  b. He continues to fly at the same altitude  c. He turns back before the aircraft loses maneuverability  d. He descends to the warm air layer below

Last Answer : c. He turns back before the aircraft loses maneuverability 

The isobars drawn on a surface weather chart represent lines of equal pressure: a. At flight level b. At height of observatory c. At a determined density altitude d. Reduced to sea level

Description : The isobars drawn on a surface weather chart represent lines of equal pressure:  a. At flight level  b. At height of observatory  c. At a determined density altitude  d. Reduced to sea level

Last Answer : d. Reduced to sea level

An inversion is: a. A decrease of pressure with height b. A decrease of temperature with height c. An increase of temperature with height d. An increase of pressure with height

Description : An inversion is:  a. A decrease of pressure with height  b. A decrease of temperature with height  c. An increase of temperature with height  d. An increase of pressure with height

Last Answer : c. An increase of temperature with height

What is normally the most effective measure to reduce or avoid CAT effects? a. Change of flight level b. Change of course c. Increase of speed d. Decrease of speed

Description : What is normally the most effective measure to reduce or avoid CAT effects?  a. Change of flight level  b. Change of course  c. Increase of speed  d. Decrease of speed

Last Answer : a. Change of flight level

QFE is 1000 hPa with an airfield elevation of 200m AMSL. What is QNH? (use 8m per hPa) a. 975 hPa b. 1025 hPa c. 1008 hPa d. 992 hPa

Description : QFE is 1000 hPa with an airfield elevation of 200m AMSL. What is QNH? (use 8m per hPa)  a. 975 hPa  b. 1025 hPa  c. 1008 hPa  d. 992 hPa

Last Answer : b. 1025 hPa

VOLMETs are updated a. Every hour b. 4 times a day c. 2 times a day d. Every half hour

Description : VOLMETs are updated  a. Every hour  b. 4 times a day  c. 2 times a day  d. Every half hour

Last Answer : d. Every half hour

When a TREND is included at the end of a METAR, the trend is a forecast valid for: a. 1 hour after the time of observation b. 2 hours after the time of observation c. 2 hours after it was issued d. 1 hour after it was issued

Description : When a TREND is included at the end of a METAR, the trend is a forecast valid for:  a. 1 hour after the time of observation  b. 2 hours after the time of observation  c. 2 hours after it was issued  d. 1 hour after it was issued

Last Answer : b. 2 hours after the time of observation

TAFs are usually valid for: a. For the period indicated in the TAF itself b. For 18 hours c. For 24 hours d. For 8 hours

Description : TAFs are usually valid for:  a. For the period indicated in the TAF itself  b. For 18 hours  c. For 24 hours  d. For 8 hours

Last Answer : a. For the period indicated in the TAF itself

In which weather report would you expect to find information about icing conditions on the runway? a. GAFOR

Description : In which weather report would you expect to find information about icing conditions on the  runway?  a. GAFOR  b. TAF  c. METAR  d. SIGMET

Last Answer : c. METAR

You are flying at FL170. The pressure level which is closest to you is the: a. 300mb b. 700mb c. 500mb d. 850mb

Description : You are flying at FL170. The pressure level which is closest to you is the:  a. 300mb  b. 700mb  c. 500mb  d. 850mb

Last Answer : c. 500mb

Where are icing conditions on route specified? a. TAF and METAR b. METAR and SIGMET c. SWC (sig. weather chart) and SIGMET d. SPECI and TREND

Description : Where are icing conditions on route specified? a. TAF and METAR  b. METAR and SIGMET  c. SWC (sig. weather chart) and SIGMET  d. SPECI and TREND

Last Answer : c. SWC (sig. weather chart) and SIGMET 

What type of precipitation would you expect at an active unstable cold front? a. Freezing rain b. Light to moderate continuous rain c. Drizzle d. Showers associated with thunderstorms

Description : What type of precipitation would you expect at an active unstable cold front? a. Freezing rain b. Light to moderate continuous rain c. Drizzle d. Showers associated with thunderstorms

Last Answer : d. Showers associated with thunderstorms

Where is the 300mb level approximately in ISA? a. 30,000ft b. 39,000ft c. 18,000ft d. 10,000ft

Description : Where is the 300mb level approximately in ISA? a. 30,000ft b. 39,000ft c. 18,000ft d. 10,000ft

Last Answer : a. 30,000ft