Because it takes the earth 24 hours to complete one revolution about its axis, every 15 degrees longitude corresponds to 1 hour.
a. True
b. False
Answer: a
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Relay contact faces are ____.
a. straight b. triangular c. angular d. domed
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List four sources of workplace stress.
What will be an ideal response?
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In an auxiliary view, where is the inclined surface projected?
What will be an ideal response?
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One type of boiler design surrounds the combustion chamber with a water-filled heat exchanger. This arrangement is called a ____ boiler.
a. hydraulic b. condensation c. steam d. wet-base
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