Engineering, Control Systems. Test 60

Why are there several tool positions on a centre lathe tool post?

To provide a fresh tool when one wears.
To carry out more than one operation at a time.
For use when thread cutting.
To accommodate different tools for different jobs.

On a centre lathe when must turning between centres be employed?

When turning a long work piece.
When turning a long taper with the tailstock offset.
When a fine finish is required.
When taking large roughing cuts.

What is the purpose of the clapper box on a shaping machine?

To relieve the tool cutting edge on the return stroke.
To adjust tool position.
To securely hold the tool.
To angle tool position.

This automatic control system shows one temperature controller steering two valve motors (fitted in different process components) by using different working ranges. This is called _____ control.

diverted.
separated range.
feedback.
split range.

Upon what is the movement of the rudder dependant, when a helm order is given ?

On the distance the command rod 'C' moves point 'X'.
On the adjustment of the feedback rod connection 'Y'.
On the spring tension of spring 'S'.
On the hydraulic pressure setting of the valves 'PR'.

Review Answers

Engineering, Control Systems. Test 60

Engineering, Control Systems. Test 60

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