6a) Landing Gear hydro system

What holds the main landing gear in the up and locked position?

• Friction washer

• Uplock actuator

• Continuous hydraulic pressure

• Landing gear travel limit switch

What slows down the main landing gear to make a gentle contact with the upper bumper stop?

• Flow regulator

• Pressure reducer

• MLG hydraulic motor

• Controllable bypass valve

The right main landing gear is slow retracting (UP) and exceeds time limitations.  No excessive system pressure loss was observed during operation.  What is the most probable cause of this malfunction?

• Selector valve installed in the down line

• Flow regulator installed in the down line

• Flow regulator installed in the up line

• MLG Uplock Brake Assembly

After gear UP operation, when the hydraulic system is depressurized, or electrical power removed from the aircraft, what position will the landing gear selector valve be in?

• Up

• Down

• Neutral

• Half Trail

When the nose landing gear is down and locked a down lock plunger extends from the aft end of the nose landing gear actuating cylinder.  The extended plunger____

• actuates a down limit switch to indicate the nose gear is unsafe

• de-energizes the main landing gear selector valve

• exposes a groove filled with fluorescent paint

• none of the above

The landing gear selector valve is a ___________ operated valve

• Three-way, 2 position, solenoid

• Three-way, 2 position, manual

• Four-way, 3 position, solenoid

• Four-way, 3 position, manual

After gear DOWN operation, when the hydraulic system is depressurized, and electrical power removed from the aircraft, what position will the landing gear selector valve be in?

• Down

• Neutral

• Center

• Up

What conditions and actions are necessary to silence the Aural Warning with the wing flaps extended more than 70 percent with the landing gear not down and locked?

• Decrease altitude less than 1,500 feet AGL

• Retract flaps to less than 70%

• Lower the landing gear

• Both b and c

The uplock brake assembly located inside the manual drive gearbox is _______ applied and ___________ released

• spring/

  hydraulically

• hydraulically/

  spring

• hydraulically/

  hydraulically

• spring/spring

The position indicators located on the landing gear control panel come ON when the MLG and NLG are ____

• down and locked

• up and locked

• in transit

• All the above