How many Btu's are required to change five pounds of ice at 20°F to steam at 220°F?

A. 1,304 Btu/h
B. 2,608 Btu/h
C. 6,520 Btu/h
D. 3,912 Btu/h


Answer: C

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Technician A says that an even firing V8 engine has a power stroke start every 90 degrees of crankshaft rotation. Technician B says that a four-cylinder engine will start a power stroke every 180 degrees of rotation. Who is correct?

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

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When replacing a timing belt, many experts and vehicle manufacturers recommend that what other part(s) should be replaced?

A) Tensioner assembly B) Camshaft oil seal(s) C) Water pump D) All of the above

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The number of days to flowering time for Easter lilies is influenced by _____

A) warm treatment of bulbs B) cold treatment of bulbs C) moist treatment of bulbs D) dry treatment of bulbs

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The aspect ratio of a tire means ________

A) The ratio of width to height B) The ratio of rolling resistance C) Its width to diameter of a wheel ratio D) The ratio of height to width

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