To cover a door width of 6?, the number of pairs of bifold doors required is _____

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


a

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An engine exhibits a low, steady vacuum reading. This could indicate _____.

A. a stuck valve B. an improper ignition timing C. plugged exhaust D. bad compression rings

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The Ku Klux Klan could best be described as

A. an open political organization seeking to revive the Confederacy. B. the military arm of the southern Democratic party. C. a civic reform and service organization. D. a movement for openly protesting northern oppression. E. a secret terrorist organization seeking to subjugate and terrorize blacks in the South through violent means.

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What happens when a three-phase motor tries to operate on only two legs of power?

A) The motor strength increases. B) The motor strength is reduced to approximately two-thirds its rating. C) The motor turns 2/3 as fast D) The motor overheats. E) The motor current decreases.

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By the time of Augustus, the city of Rome had a population of about

a. 500,000 people. b. one million people. c. five million people. d. ten million people.

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