Which of the following is a life safety consideration for first responders and the public during a structural fire incident?
A. Generator systems must provide feedback to building circuits.
B. Annunciator panels must be located in areas of refuge to help company officers locate the fire.
C. Air handling units that recirculate air must automatically shut down when air quality is compromised.
D. Standpipe connections must have standard threads to ensure compatibility with fire department equipment.
Answer: D. Standpipe connections must have standard threads to ensure compatibility with fire department equipment.
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Spark plug ____________________ is crucial because the plug’s air gap must be placed properly in the combustion chamber to produce the correct amount of heat.
Fill in the blank(s) with the appropriate word(s).
Historical load-bearing masonry structures were designed with the assumption that _________.
A) all wind loads on the building were resisted by exterior walls only, with no structural interaction between them. B) both interior and exterior walls resisted wind loads. C) interior and exterior walls and floor and roof diaphragms resisted wind loads collectively. D) all wind loads on the building were resisted by exterior walls only, and in doing so, they interacted with each other structurally. E) none of the above.
What is the decimal value of 25?
A) 20 B) 16 C) 32 D) 10
Find the power used in the single-phase circuit shown. Carry the answer to three decimal places.
Fill in the blank(s) with the appropriate word(s).