What angle is formed when two perpendicular lines intersect?

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


90 degrees

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The architect’s 16 scale is equal to what fraction of an inch?

a. 16 b. 1/8 c. 1/16 d. 1/10

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Centrifugal chillers range in size from ____ tons for a single chiller.

A. 10 to 50 B. 10 to 80 C. 50 to 500 D. 100 to 10,000

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What makes the BAS system attractive for buyers?

A) Moderate increase in fuel economy versus conventional gasoline powered vehicles. B) Lowest cost of all the hybrid systems C) Both A and B D) Neither A nor B

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Which type of bearing is often referred to as an angular-contact bearing?

A. tapered-roller bearing B. double-row ball bearing C. self-aligning bearing D. radial-thrust bearing

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