During leak test, there should be no continuous hissing sounds.

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Prepare for the City of Miami Fire Department Driver-Engineer Test. Utilize our resources with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

During leak test, there should be no continuous hissing sounds.

Explanation:
A leak test is meant to confirm the pump and its piping are airtight at the test pressure. A continuous hiss means air is escaping somewhere in the system, signaling a leak or an improperly seated component. Because the goal is to prove there are no leaks, there should be no sustained hissing once the system is pressurized. If you hear a continuous hiss, you would locate and fix the leak and re-test until the sound stops.

A leak test is meant to confirm the pump and its piping are airtight at the test pressure. A continuous hiss means air is escaping somewhere in the system, signaling a leak or an improperly seated component. Because the goal is to prove there are no leaks, there should be no sustained hissing once the system is pressurized. If you hear a continuous hiss, you would locate and fix the leak and re-test until the sound stops.

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