BOEING 737 NG LANDING GEAR

How many doors have the main landing gear. 2. 3. 4.

If you disconnect the torsion link to permit the landing gear to move. More of 78 grades. 87 grades. 50 grades.

Hydraulic system B supplies pressure for retraction only through the landing gear transfer valve. True. False.

The landing gear control lever has these three positions with detents. Up, off , down. On , off , In. Up, down, Lock.

You can also manually operate the landing gear transfer valve with the BITE of the proximity switch electronic unit (pseu). True. False.

The landing control level is locked out of the UP position by a mechanical level. 28V DC Battery bus. 115 VAC. 28 DC Power.

How many up lock actuators are installed in each MLG. 1. 3. 2.

When the Landing Gear Lever is positioned DOWN, the landing gear extends by: Hydraulic pressure. Gravity. Air loads. All the above.

What is the purpose of the landing gear transfer unit?. If hydraulic B fluid is lost the landing gear can be extended by automatic activation of the transfer unit. In case of No1 engine failure/separation, the gear can be retracted after takeoff. In case of engine failure the gear can be retracted in order to reduce drag for the cruise segment. If hydraulic A fluid is lost, the transfer unit must be manually selected to B fluid when the gear lever is selected up.

Normal hydraulic brake pressure is: 2000 psi. 3000 psi. 3500 psi.

Which are the parameters of recording of the flight recorder: 25 Hours. 2 Hours. 24 Hours. 30 minutes.

What is the function of the service interphone?. Controls communication between the forward and aft flight attendant stations. Supplies intercommunication between the flight deck, flight attendants and ground personnel. Connects the external jacks used by maintenance personnel to the service interphone system. Disconnects the cabin attendant stations from the flight interphone system.

What is the total fuel capacity of the Boeing 737 NG : 43.000 pounds. 40.000 pounds. 46.0000 pounds. 42.0000 pounds.

The imbalance message appears when the difference between tanks is greater than: 200 pounds. 800 pounds. 1000 pounds. 1500 pounds.

How is the aileron trim system controlled: By electric control with hydraulic operation. By Hydraulic control and actuators. Manual through the trim wheel. Electronic control and electric operation.

How the flight spoilers help the airplane in a turn?. The spoilers come up to kill lift on the wing with the up aileron. The spoilers come down to kill lift on the wing with the up aileron. The spoilers increase drag in approach. The spoilers keep down in a turn.

What is the meaning of the ADIRU: Air Data Inertial Reference Unit. Auto Digital Input Regulated Unit. Ac Digital Interface Reference Unit. Actuator Data Internal Reference Unit.

The Boeing 737 – 700 has tail bump: True. False.

The Boeing 737 – 800 has one overwing emergency exit per side. True. False.

The elevators has pitot probes for control its movement : True. False.

Who is the manufacturer of the engines in the Boeing 737 NG: Snecma. General Electric. Rolls Royce. A and B are correct.