Mechanisms

Question 1

What is the advantage of a compound gear train?

Answer 1

Allows the same gear ratio in a smaller space

Question 2

How to reduce friction in a gear train?

Answer 2

Lubricate moving parts

Question 3

How do you make a gear system more efficient?

Answer 3

Lubricate moving parts to reduce friction

Question 4

What are the necessary features of a gear diagram?

Answer 4

Solid lines must be used

Crosses must be in the centres

Must have double outlines

Question 5

What is an advantage of using a microcontroller in a pneumatic circuit?

Answer 5

The control of the piston movement could be easily changed.

Question 6

What is an advantage of using a microcontroller over a hard wired circuit?

Answer 6

The program can be easily changed if there are mistakes

Question 7

What is an advantage of using a computer simulation instead of building a circuit?

Answer 7

There is no risk of damaging the components.

It’s easier to see faults with the circuit.