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A comprehensive set of multiple-choice questions and answers covering various aspects of the boeing 737ng aircraft systems. it's a valuable resource for aviation students and professionals seeking to test their knowledge of bleed air systems, pressurization, anti-ice systems, and flight deck warnings. The questions delve into the functionality, operation, and troubleshooting of these critical systems, making it ideal for exam preparation or self-assessment.
Typology: Exams
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Which of the following is not a function of the bleed air system? Fuel tank pressurization Bleed air can be supplied to the aircraft via the APU, an external air cart or the engines. True An external air cart can supply air for engine start or air conditioning True Bleed air comes from the _____ and ______ compressor stages? 5th and 9th Engine bleed air valves are DC activated and pressure operated
The bleed air valves protect the system by automatically closing when an over pressure or over temperature is detected Differences between the L and R duct pressure indicators Are considered normal, as long as the cabin can be pressurized The isolation valve Will be closed during normal operations (both packs operating, both engine bleeds on) The APU bleed air valve closes Automatically when the APU is shut down or when the pilot selects the APU bleed air switch to off The DUAL BLEED light will illuminate when The bleed air system is configured such that it would be possible to put backpressure on the APU
In the air conditioning system what cools the bleed air in the heat exchangers? Ram air During slow flight with the flaps partially extended the ram air doors move to the full open position and The RAM AIR DOOR FULL OPEN light will illuminate If an overheat is detected in the cooling cycle which of the following will occur The pack valve will close AND The PACK TRIP OFF light will illuminate The recirculation fan reduces the load on the packs and bleed air demand. True The pilots can turn on the recirculation fans directly. True What does the pressurization system use to control pressurization and ventilation? An outflow and overboard exhaust valve
The cabin of a B737 can be pressurized up to a cabin altitude of ____________. 8000ft In ALTN mode which of the following is true: Automatic pressurization control; the alternate mode of operation; uses a DC motor In MAN mode which of the following is true: Manual control of the system using a DC motor A small amount of air is exhausted through toilet and galley vents, and miscellaneous fixed vents and seal leakage. True In flight the overboard exhaust valve is the exit for the majority of the air and the outflow valve is normally closed. False
Continuous ignition is required by most airlines policy prior to engine or wing anti ice activation. True All flight deck windows are heated. False The vertical stab and horizontal stab have anti ice from: Not APU, or Right or the Left Engine Rain removal for the forward windows, R1 and L1 consist of wipers and: Permanent rain repellent The wing anti ice switch will move to the OFF position without crew action when: At lift off when the air ground sensor goes to the air mode How many heated pitot probes are on this B-737NG? 5
Anti Ice valves are ___________ in transit and _________ when OPEN. Bright blue and dim blue An amber COWL ANTI-ICE light illuminates due to: Excessive pressure Indications that require immediate crew attention are Red Which of the following WILL NOT cause a takeoff warning? Cockpit door not locked. The Mach/Airspeed warning clacker will sound any time Vmo/Mmo is exceeded Voice warnings are not used for Stall warnings
Transponders Primary engine indications are on the _______ DU Upper The 737 has _____ Air Data Modules 4 The 737 has ________ pitot probes 5 The 737 has ________ static ports 6 Each pitot air data module is connected to its on-side pitot probe True
The digital flight data recorder maintains a record of the last _____ hours of operation 25hrs The Head-Up Display (HUD) can be used with the autopilot or when the aircraft is being hand flown True Radio altitude is shown when the aircraft is below 2,500 ft AGL
