NICET Special Hazards II Practice Questions - NICET Special Hazards Systems Level II Exam

What is the purpose of the pipe-puff (puff) test performed on a special hazards system before commissioning?

To verify the discharge nozzles produce the design droplet size To confirm the enclosure can hold agent concentration for the required time To verify continuous, unobstructed flow through the piping network and out each nozzle using nitrogen or dry air To measure the achieved agent concentration in the protected space

Correct Answer:

To verify continuous, unobstructed flow through the piping network and out each nozzle using nitrogen or dry air

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