When is the tool head alignment checked with a dial indicator?

A) Before any precise machining square to the table is performed
B) Before any machining takes place
C) When any tool changing takes place
D) Once every day


A

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A. A only B. B only C. Both A and B D. Neither A nor B

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What type of bearing is shown below?

A) Wedge bearing B) Axial bearing C) Roller bearing D) Tapered roller bearing

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What are the three types of opposition to current flow that impedance represents?

What will be an ideal response?

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Exhaust hoses should be used because one of the exhaust gases can be deadly in high concentrations. This gas is _________

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