If a pipeline with a slope of 2% is 618 feet long, what is the total fall?

a. 6.18 feet
b. 9.27 feet
c. 12.36 feet
d. 15.45 feet


ANSWER: c

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During a generation of peace following the 1713 Treaty of Utrecht, Britain provided its American colonies with

A. a large military presence for protection. B. decades of salutary neglect. C. higher taxes passed by Parliament. D. stronger parliamentary direction. E. representative seats in the British Parliament.

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When assembling a wall, use three 16d nails to attach 2 × 6 studs to the _____.

a. floor joists b. headers c. corner blocking d. soleplate

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When installing a receptacle so that one half is controlled by a switch and the other half is “hot” all the time, the switch-controlled half should be located on the ____________________ of the receptacle.

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

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Which component on the low-voltage circuit of a residential HVAC system is NOT a switch?

A. thermostat contacts B. high-pressure control C. fan relay coil D. fan relay contacts

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