Answer :
Final answer:
Most smooth-bore nozzles, typically used in firefighting, are designed to operate at 100 psi.
Explanation:
Smooth-bore nozzles are commonly used in firefighting for their ability to deliver a solid stream of water or other firefighting agent at high pressures.
The correct answer to your question, 'Most smooth-bore nozzles are designed to operate at which pressure?' is c. 100 psi. This is because most smooth-bore nozzles are designed to operate effectively at this pressure, enabling them to deliver a solid, forceful stream of water to fight fires.
Learn more about Smooth-bore Nozzles here:
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