Engineering, Control Systems. Test 38

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

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

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

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

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

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

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 _____

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

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