A 15-lead motor has ____ coils per phase.

a. one
b. two
c. three
d. four


c. three

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Methods for measuring flow in a pipeline fall into which two categories?

a. Invasive and noninvasive b. Destructive and nondestructive c. Open and closed d. Direct and indirect

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Which of the following uses electromagnetic induction to transfer electrical energy from one circuit to another?

a. Coil b. Inductor c. Transformer d. Capacitor

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Consider heat transfer through a windowless wall of a house on a winter day. Discuss the parameters that affect the rate of heat conduction through the wall.

What will be an ideal response?

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Hot gas is commonly used to free ice cubes after they have been formed. This process is called ____.

A. melting B. harvest C. defrost D. pump down

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