Landing Gear Finals 1

What component is installed between the wheel halves to ensure an airtight seal?

Small aircraft nose wheels are commonly controlled via a ______ connection between the ______ ______ and the gear itself

Large aircraft utilize steering _________ that are controlled by a steering ______ and/or rudder pedals.

How are steering systems on large aircraft controlled and operated?

Some types of small aircraft don't have direct steering but utilize differential _______ and ______ plus a castering nose or tail wheel.

The hydraulic actuators provide steering control by rotating the strut by means of what component?

When the strut is rotated, what translates this motion to the axle?

Control inputs to the steering mechanism may take the form of cables and pulleys positioning a hydraulic _______ valve or a computer controlling a hydraulic _____ valve.

On some large aircraft, shimmy dampening is achieved by holding a ________ pressure on the return side of the system through the  ______ valve

The controlling computer receives feedback from the _____ valve and ___________ which indicate actuator positions.

What component is commonly used to lockout the steering system when the aircraft is under tow?

Some modern fly-by-wire aircraft have inputs from _________  for steering during landing.

On the A340-500 aircraft, the ____ and the Servo Valve, constantly interface with the ____ and provide precise, updated info to the ECAM.

What component on the A340-500 provides hydraulic pressure to the Swivel Selector Valve if the primary supply fails?

The RVDTs receive inputs from the steering actuators. Which component receives their information?

Primary computers for flight control receive info from autopilot as well as data from what other inputs?

What parameter is being measured by the RVDTs?

Aircraft tires are designed to handle tremendous ______loads and very high __________ speeds.

What are the two types of tires used in the aircraft industry?

The bead, carcass, tread and sidewall are the _______ components of a tire.

All ground forces felt within the tire terminate where?

The bead of the tire is constructed of bundles of high-strength ______-_____ wire, with _-_  of these bundles on each side of the tire.

This part of the tire is constructed of layers of rubber-coated, nylon-cord fabric.

The carcass of any tire may be of what two types?

A bias tire has the cord material running at what angle relative to tread direction? 

A radial tire has the cord material running in what direction relative to the tread?

What is the smooth area of the tire that helps protect the tube?

What is the most popular tread pattern used on aircraft?

Which type tire would you install on the nose landing gear to prevent water & slush entering the intakes on aircraft with tail-mounted engines?

What component protects the carcass from cuts, bruises, moisture and ozone?

As a technician, you will carry out daily, routine inspections of aircraft tires looking for proper _________ and specific _________.

Tire pressure is ________ and therefore should be checked daily to prevent premature ____

How long should you wait after landing, before checking tire pressure? 

Always service the tire ______ with ___ pressure ________ only

What is a true indication of an improperly serviced tire?

If the tread has worn _____ or a carcass ply is _______, the tire should be ________.

When a tire is initially installed on a wheel, it should be placed in a ____ and ________.

What is a common cause of cuts on aircraft tires?

Tires require replacement if a ___ is cut halfway or a carcass ___ is exposed.

What harmful condition occurs when a tire heats up during hydroplaning?

What condition occurs when the tire experiences landings on crossed-grooved runways?

What determines whether a tire can be retreaded?

Tires should be stored __________ on a rack in a cool, dry area, away from direct ________.

What are the two primary causes for leaks in an aircraft tube?

What's the best way to store a tube?

Tires and tubes should be stored as far from electrical machinery as possible because they produce harmful _____.

The ______ mark on the tube is aligned with ___ ___ on the tire when assembling the wheel unit.

After initial "build-up" the air pressure in a tube-type tire will drop due to stretching and trapped air. How long before you can re-service the assembly?

How would you install a tube without a yellow mark?

What materials are used to construct aircraft floats?

Floats installed on any aircraft require periodic maintenance because of the impending _________ on metal parts

What type of Ski configuration uses a hydraulic system to extend & retract the Ski below the wheel?

What component is used to hold the "toe" of the ski up when landing?