Cracking noises heard on a fireground during suppression activities would be which of the following indicators of a possible collapse?
A) Audible indicator
B) Visual indicator
C) Environmental precipitator
D) Occupancy precipitator
A) Audible indicator
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Plants play an essential role in _____
A) ?slowing down the wind B) ?producing oxygen C) ?producing food D) ?All of the above
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________ action uses drum rotation to force the brake shoe outward and wedge it tightly against the brake drum
A) Centrifugal B) Centripetal C) Servo D) Self-energizing
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Loads that are characterized by the generation of a magnetic field are called ___________ loads.
A. inductive B. resistive C. capacitive D. infinitive
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List the four components that make up an electrical circuit.
What will be an ideal response?
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