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
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
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
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