Actuating Components

Question 1

Types of motive power

Answer 1

Mechanical
Electrical
Hydraulic

Question 2

What are cables made our of

Answer 2

Strands, and strands are made out of wires.

Eg. 7 strands, 7 wires to a starnd (7x7)
7 strands, 19 wires to a strands ( 7x19)

Question 3

Precautions when handling cables!

Answer 3

Avoid kinking
Keep cables clean
Do not use bare hands

Question 4

6 different type of cable ends

Answer 4

Ball and double shank
Ball and single shank
Short threaded stud end
Long threaded stud end
Fork end
Eye end

Question 5

What is a lock ladder cable

Answer 5

A cable sheathed in aluminum alloy

Question 6

Advantages of lockclad cable

Answer 6

Stretch resistant
Corrosion resistant
Stronger
Reduce effects of temp change
Rigid

Question 7

Outline bowden cable

Answer 7

A cable encased in a waterproof conduit and to remotely use for pull applications.

Will return by spring or by a second cable

Question 8

How are turnbuckle locked

Answer 8

Specific clips

Lockwire

Question 9

Inspection of turnbuckle

Answer 9

Witness hole must be covered
Or
The correct amount of protruding threads are showing (3).
Locking is correct

Question 10

Construction and operation of teletext cable

Answer 10

Made of high tensile inner cable wrapped in a helix wire interspaced by a spacer wire.
Used for positive push-pull controls eg. Seatbelt harness releases.

Question 11

When are chains used

Answer 11

To change linear motion into rotary, and where considerable force to operate is required

Question 12

Define torque tubes

Answer 12

Transmit rotary movement over a long distance

Question 13

Outline fair leads

Answer 13

Used to guide cables past obstructions and dampen cable vibrations