How much vacuum must a fuel oil pump produce to move fuel oil 20 ft horizontally?

A) 20 ÷ 5 = 4 in of vacuum B) 20 ÷ 10 = 2 in of vacuum
C) 20 ÷ 2 = 10 in of vacuum D) 20 × 1 = 20 in of vacuum


B

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Reverse osmosis is the name for which of these phenomena?

A) Water passing through a membrane from weak solution to strong solution. B) Dissolved solids migrating from strong solution to weak solution. C) Forcing water from strong solution to weak solution through a membrane by pressure. D) Forcing water from weak solution to strong solution through a membrane by pressure.

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The horsepower of an electric motor is found with the formula hp = 6.2832T (rpm)/33,000, where hp equals horsepower, T = torque in pound-feet (lb-ft), and rpm = revolutions per minute.  Solve for T when hp = 2.0, and rpm = 2300.  Round the answer to 2 decimal places.

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

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Andrew Carnegie's system of vertical integration

A. combined all facets of an industry, from raw material to final product, within a single company. B. created an industrial association through which member companies could wield much power. C. embraced the notion of buying up competitors and forming a monopoly interest. D. required smaller competitors to agree to standardized rates set by larger firms. E. None of these choices are correct.

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While discussing VIN numbers, Technician A says that the first digit of the VIN identifies the country where the vehicle was manufactured. Technician B says that the first digit identifies the model year of the vehicle. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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