The synchronous speed at which a four-pole, 60Hz induction motor operates is _____.

a. 1,140 rpm
b. 1,800 rpm
c. 2,500 rpm
d. 6,900 rpm


b. 1,800 rpm

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A pipeline is to be tied into another line already in existence. The set and the run are both 48 inches. The angle is _____ degrees.

a. 22.5 b. 30 c. 45 d. 60

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Electronic air cleaners generally have ____.

A. ionizing sections B. charcoal filters C. prefilters D. All of the above.

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List the steps in sketching a fillet or radius.

What will be an ideal response?

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____________________ uses extreme heat to join or fuse pieces of metal together.

Fill in the blank(s) with the appropriate word(s).

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