Describe counterbored holes.

What will be an ideal response?


A counterbored hole is one that has been machined to a larger diameter for a specified depth so that a bolt or pin will fit into this recessed hole. The counterbored hole provides a flat surface for the bolt or pin to seat against.

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Capacitor-start capacitor-run motors that are not hermetically sealed contain a centrifugal switch to disconnect the start capacitor when the motor reaches about ____% of its full load speed.

a. 25 b. 50 c. 75 d. 90

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What are functions of an uninterruptible power system (UPS)? Select all that apply.

A) Allow time for a generator to start when there is a power outage. B) Provide high quality power in terms of voltage and frequency. C) Keep critical equipment running in the event of utility power outage. D) Allow time to shut down in an orderly fashion.

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The total movement of the cam follower in one complete revolution of the cam is called:

a. dwell b. displacement c. rise d. fall

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Which of the following is not a common reason that some landscape contractors receive work without going through the bidding process?

a. past projects c. new in the marketplace b. firm reputation d. proximity to the project site

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