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Question # 25

What device prevents backflow into public water systems during fire department connections?

Options:

A.

Clapper valve

B.

Ball valve

C.

Check valve

D.

Butterfly valve

Viewing question 25 out of 69 questions
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Firefighter I Overview

Name Firefighter I
Code Firefighter I
Vendor EMS
Certification NFPA

Firefighter I Questions