Spring index is

If a spring has ‘closed ends’ the first and last coils have

Springs are mainly made from

is used on many Cessna aircraft landing gear.

Spring hooks are subjected to

Custom shaped compression springs include

Brass springs has good electrical conductivity

Most aircraft shock absorber is a

is the most important factor that can affect a choice of material for using in springs

is the permanent distortion which occurs when a spring is stressed beyond of the elastic limit of the material

Elasticity is the property of the springs which allows them to absorb energy

another name for Pneumatic springs is

Light – and medium-sized aircraft .

metallic springs may require corrosion protection. Protective coatings may be of

Pneumatic spring to

Linear expansion of a rotating shaft in housing can be compensated for by using

A single angular contact bearing can take

A small amount of shaft misalignment can be tolerated by using

Tapered roller bearings consist of

Needle roller bearings are used

loads on tapered roller bearings are

A crankshaft would be fitted with a

A mechanical device used to reduce friction and guide motion of two or more parts which articulate in differing directions.

Needle bearings resist

In general, the cages for bearings can be classified as

Spherical roller bearings

spherical bearings. consist of an inner and outer race separated by single row of hardened

is a type of bearings have two rows of spherical rollers with a common spherical path on the outer ring

Many bearings are prone to experiencing both

Bevel gears are used to transmit power between

Worm drives operated in shafts which are

On a chain assembly , a change in direction of straight line motion in two planes is achieved by

When not under load a pair of gears

is a type of gear would be used on propeller reduction gearbox

The larger diameter on a bevel gear is called

Non-reversible chains are similar to standard chains except that each outer plate is extended in

are the most common and cheapest type of gears

The teeth of a gear would normally

are necessary in a main rotor gearbox of helicopter.

If both the drive gear and driven gear have the identical number of teeth

The main reason for a slipping belt of pulley is

are the transmission forms that are typically used on aircraft.

are toothed wheels used to transmit power between components of a machine where the centre distances between the shafts is limited.

When two gears are running together the larger one is called

When two gears are running together the smaller one is called

the purpose of bell cranks is

Control cables of American and European manufacture are classified by their

After swaging an end fitting onto a flexible control cable with a Nicopress tool, it is it tested for adequate deformation by

Cable fairleads should usually

The ability of a cable to withstand abrasion is determined by the size and composition of the outer wires and

cable is flexible only in one plane

An American type Turnbuckle is in safety when

Pulleys are usually manufactured from

A cable tension regulator will be installed in a flying control system to

The vast majority of aircraft control cables are terminated with swaged terminals , that must be checked with

If all instructions issued by the swaging tool manufacturer are followed when swaging a cable terminal, the resultant swaged terminal strength should be

is an acceptable safety device for a turnbuckle to be locked when installed on aircraft cable.

Control cable are protected from riding off the pulley by

control cable is considered non flexible cable.

Aircraft control cable designated as 7x19

Aircraft control cable designated as 7x7

to make changes in direction of a control cable

7x7 control cable has seven strands wire each with

Cables have a specified maximum continuous operating temperature and for many types in general, it is undesirable to contribute more

The temperature rating of an airframe cable is determined by

The receptacle is normally part of the equipment or

The removable half which mates with the receptacle and is usually

The purpose of keyways on a connector to

TNC used in

The TNC (threaded nut coupling) series connector is a threaded version of the BNC and operates to the same specification as the

There are two types of Co‑axial connector

Restricted entry for the ring tongue terminals are

What is the purpose of screening on a coaxial cable

Material commonly used as the dielectric in Co‑axial cable is

Tin plated copper maximum continuous temperature

Nickel clad plated copper maximum continuous temperature

What cable would you use where temperatures are going to exceed 200 degrees C

What type of insulation cannot be stripped with thermal strippers

coating Kapton insulation with a layer of Teflon is a way of

Oxide on exposed silver plated wire is

Interconnect cables employ

An interconnect cable has what insulation

Dielectric loss in coaxial cable result from

Use of crimped splices in

A crimped splice is never to be used in

Compared to other types of electrical connectors crimping does not have the advantage of

The TNC (threaded nut coupling) series connector is a threaded version of the BNC and operates to the same specification as

The TNC series of connectors are used

Mechanical protection can be provided for the cable by routing the bundles through either

The size of the conduit is normally an inside diameter

How are flexible hoses categorized

There are commonly four types of cable strippers available which are:

Thermal removes the insulation

Aluminium cable where large amounts of current must be carried for

There are a number of factors to consider when choosing the correct cable, these are

The most commonly used wrapped insulation material is

Co‑axial cable is used as a transmission line for