Engineering, Control Systems. Test 38

This drawing shows a simple mechanical controller controlling the water level in the tank. Level 'L' is the DESIRED water level in the tank, in automation this is called the _____

set level.
proportional point.
measured value.
set point.

On a horizontal boring machine how is the work piece set up to the boring bar?

By measuring from the bedplate.
By measuring from the tool holder.
Using a surface gauge on the tool holder.
By eye using the tool.

When using the centre lathe to drill a blind hole how is the depth checked?

By measuring with a rule.
By noting the position of the tailstock tool holder extension.
By marking the bedplate.
By marking a position on the drill.

When boring on the centre lathe how are tool angles affected?

Decrease in top rake. Increase in front clearance.
Increase in wedge angle.
Decrease in side clearance angle.
Increase in front clearance.

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