What does the furnace board do on most modern furnaces?
A) cycles the indoor blower motor
B) controls the ignition, safety, and blower operation
C) controls the flames ignition sequence
D) monitors furnace safety
B
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Which of the following is true when putting a vessel in service?
A. The pressure should be set at the highest level. B. The temperature needs to be increased gradually. C. The liquid should be placed into the vessel as quickly as possible. D. All of the above
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Describe how hearing loss occurs.
What will be an ideal response?
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The FMVSS 138 law requires that the driver be notified if the tire inflation pressure drops how much?
A) 25% B) 15% C) 20% D) 30%
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Which material is not a good insulator?
A) iron B) mica C) rubber D) neon
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