Some fire departments mention other types of hazards than just those specifically fire-related to occupants during residential fire safety surveys. What is one of these other types of hazards?
A. Carbon monoxide
B. Radon testing
C. Driving under the influence
D. Hurricane roof tie down
Answer: A. Carbon monoxide
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If an overload relay that is a thermal type has tripped several times, what is the likely cause of the problem?
What will be an ideal response?
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Facing bricks (FB) are made in two durability grades. Name the two grades with the more durable grade first. What does the durability of a brick refer to?
What will be an ideal response?
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Brake drums are made from _________.
A. steel B. iron C. aluminum D. nickel
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What type of op-amp circuit does not typically have a feedback path connected between its output and either of its input pins?
A) A current multiplier B) An open-loop amplifier C) A comparator D) An inverter
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