A supervisor who reviews a drawing to check the slope of a building site is looking for _____ lines.

a. center
b. cut
c. contour
d. continuous


c. contour

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Gear ratios can be varied by changing the ____________________ and ____________________ of teeth of the gears in mesh.

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

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What uses are made of soybean oil?

What will be an ideal response?

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Let x(t) and y(t) be as shown in Fig. 15.36, Find z(t) = x(t)*y(t).

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How often do refillable refrigerant cylinders need to be inspected?

A) Every 5 years B) Every year C) Every 10 years D) Only when they are first made

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