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Questions and Answers
How many water extractors are installed on B737-800/900?
How many water extractors are installed on B737-800/900?
What are the indications of a pack trip on B737 800/900?
What are the indications of a pack trip on B737 800/900?
Where does the flight compartment get conditioned air from?
Where does the flight compartment get conditioned air from?
Where are the main air distribution components located?
Where are the main air distribution components located?
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Which component controls the trim air pressure regulating and shutoff valve on the temperature controls panel?
Which component controls the trim air pressure regulating and shutoff valve on the temperature controls panel?
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On a B737 800/900, what is the primary flight compartment zone temperature control channel?
On a B737 800/900, what is the primary flight compartment zone temperature control channel?
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What is the function of the water extractor on a B737 800/900?
What is the function of the water extractor on a B737 800/900?
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How many air conditioning packs are there on a B737 800/900?
How many air conditioning packs are there on a B737 800/900?
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What happens to the cockpit and passenger lighting if the bus causes a partial loss?
What happens to the cockpit and passenger lighting if the bus causes a partial loss?
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What powers the emergency exit lights and signs?
What powers the emergency exit lights and signs?
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What is the maximum refuelling pressure?
What is the maximum refuelling pressure?
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What is the voltage used by most of the flight compartment lights?
What is the voltage used by most of the flight compartment lights?
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To defuel No. 1 tank, what should be selected?
To defuel No. 1 tank, what should be selected?
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When will the emergency exit lights automatically come on when armed?
When will the emergency exit lights automatically come on when armed?
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When will the no smoking signs illuminate when selected to auto?
When will the no smoking signs illuminate when selected to auto?
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What tank does the fuel temperature indicator read?
What tank does the fuel temperature indicator read?
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Where is the manual defuelling valve located?
Where is the manual defuelling valve located?
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What happens to the fasten belts signs when selected to auto?
What happens to the fasten belts signs when selected to auto?
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What supplies emergency general lighting in the event of a complete electrical power failure?
What supplies emergency general lighting in the event of a complete electrical power failure?
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How many dripsticks are installed in each main tank?
How many dripsticks are installed in each main tank?
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What type of lighting is found in each wheel well?
What type of lighting is found in each wheel well?
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When do the fuelling valve position lights on the external fuelling panel illuminate?
When do the fuelling valve position lights on the external fuelling panel illuminate?
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How can refuelling be accomplished when the APU is inoperative and no external power is available?
How can refuelling be accomplished when the APU is inoperative and no external power is available?
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To defuel No. 2 tank only, what should be selected?
To defuel No. 2 tank only, what should be selected?
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What is the correct procedure to lower the service unit?
What is the correct procedure to lower the service unit?
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What conditions does the fire protection system monitor the airplane for?
What conditions does the fire protection system monitor the airplane for?
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Where do the fire alarms provide visual and aural indication to the flight crew about a fire?
Where do the fire alarms provide visual and aural indication to the flight crew about a fire?
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How many engine fire detectors are there in each engine?
How many engine fire detectors are there in each engine?
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Which components monitor detectors for overheat and fire conditions on the engine and fire conditions on the APU?
Which components monitor detectors for overheat and fire conditions on the engine and fire conditions on the APU?
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What does the FAULT/INOP test do?
What does the FAULT/INOP test do?
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What is monitored by the fire protection system?
What is monitored by the fire protection system?
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Where is the fire alarm system located?
Where is the fire alarm system located?
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When will the No Smoking signs illuminate?
When will the No Smoking signs illuminate?
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What does placing the lights test switch to the test position do?
What does placing the lights test switch to the test position do?
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When do the emergency lights come on if the P5 switch is in the arm position?
When do the emergency lights come on if the P5 switch is in the arm position?
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When does the taxi light turn off with the taxi light switch set to auto position?
When does the taxi light turn off with the taxi light switch set to auto position?
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What does the airplane pitot system consist of?
What does the airplane pitot system consist of?
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What does the airplane static system consist of?
What does the airplane static system consist of?
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What does the Electronic Horizontal Situation Indicator (EHSI) provide?
What does the Electronic Horizontal Situation Indicator (EHSI) provide?
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How many navigation unit (VOR/ILS receivers) are installed on the aircraft?
How many navigation unit (VOR/ILS receivers) are installed on the aircraft?
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Study Notes
B737 Air Conditioning System
- Four water extractors are installed on the B737-800/900, with two in each air conditioning pack.
- Pack trip indications include PACK amber light, MASTER CAUTION, and AIR COND annunciator lights.
- The flight compartment receives conditioned air from the mix manifold along with the right pack.
- Main air distribution components are located in the distribution compartment aft of the forward cargo compartment.
- The trim air pressure regulating and shutoff valve is controlled by the trim air switch on the temperature controls panel.
- Primary flight compartment zone temperature control channel is part of the ACAU system.
Electrical and Lighting Systems
- BUS CAUSES can lead to partial loss of cockpit and passenger lighting.
- Emergency exit lights and signs are powered from separate emergency power supplies installed in the passenger cabin.
- Most flight compartment lights use 28 VDC.
- Emergency exit lights activate automatically if electrical power to the DC bus fails or AC power is turned off.
- No smoking signs illuminate automatically when the landing gear is extended and flaps are retracted.
Fuel System
- To defuel the No. 1 tank, activate the No. 1 main tank fuel pumps, open the crossfeed valve, and open the manual defueling valve.
- The fuel temperature indicator reads the temperature of fuel in the No. 1 tank.
- The manual defueling valve is located outboard of the No. 2 engine.
- Dripsticks (or floatsticks) are installed with 5 in each main tank and 2 in the center tank.
- Fueling valve position lights illuminate blue when the respective fueling valve is open and fuel is being transferred into the tank.
Fire Protection Systems
- Fire protection systems monitor for fire, smoke, overheat, and pneumatic duct leaks.
- Fire alarms provide crew indications for fires in engines, APU, avionics compartment, and cargo compartments.
- Each engine has four fire detectors.
- The engine and APU fire detection module monitors for overheat and fire conditions.
Emergency Systems
- Emergency lights activate when the main lighting system fails or when specific voltage parameters are met.
- Taxi lights switch to off when the nose landing gear is not down and locked or after the first engine stop.
Aircraft Systems Overview
- Pitot system includes Captain's, First Officer's, and Auxiliary No. 1 instruments.
- Static system consists of Captain's, First Officer's, and both Auxiliary No. 1 and No. 2 instruments.
- The Electronic Horizontal Situation Indicator (EHSI) provides a multicolor display of navigational and weather radar data.
- Two navigation unit (VOR/ILS receivers) are installed on the aircraft.
- Supplemental navigation data pages are accessible at any time.
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Description
Test your knowledge of the air conditioning system on the Boeing 737-800/900 aircraft. Questions cover water extractors and pack trip indications.