Free Sample Questions for the NFSI National Firefighter Selection Inventory Exam

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Question 1: Problem Sensitivity

Read the situation & choose the best answer.

Engine 10 responds to an apartment where residents report water leaking from a light fixture. In the unit above, firefighters find a recently extinguished kitchen fire near the sink area and several melted plastic items.

What can firefighters BEST infer caused the leak?

A burst sprinkler pipe caused water damage.

Water used to extinguish the fire seeped through the floor into the light fixture below.

The tenant upstairs left a faucet running overnight.

A faulty dishwasher hose failed before ignition.

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