MDFR High rise and 2 questions with complete solutions.

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MDFR High rise and 2 questions with complete solutions.

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2024/2025

Institution MDFR

Course MDFR

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MDFR High rise and 2 questions with complete solutions.

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MDFR High rise and 2 questions with
complete solutions

Class I stand pipe - answer-- Designed for Fire Department use and larger hose streams
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- Contain 2 1/2" hose outlets
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Class II Standpipe - answer-- Designed for occupant use
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- Provide 1 1/2" outlets with hose cabinets
c c c c c c c

Class III Standpipe - answer-- Designed for both occupant and Fire Department use
c c c c c c c c c c c c c

- Hose cabinet with 2 1/2" outlet reduced to 1 3/4"
c c c c c c c c c c

For reconnaissance purposes, you should stop on the floor below the fire to inspect the
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layout. True/false - answer-- True
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How many phases does an elevator have? - answer-- 3
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Elevator phase I - answer-- Recall Elevators to lobby floor
c c c c c c c c c

Elevator Phase II - answer-- Entering & directing elevator for firefighter activities
c c c c c c c c c c c

Elevator Phase III - answer-- Elevator is tied into Alarm System
c c c c c c c c c c c

- Fire/Smoke is detected in lobby
c c c c c c

- Cars may be sent to alternative floor
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What are the different types of stairs? (4) - answer-- Scissors
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- Wrap Around
c c

- Return
c

- Access
c

What is the friction loss per 75 feet of 2" hose? - answer-- 20 psi
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How much friction loss in 150 ft (2 sections) of 2" hose? - answer-- 85 psi
c c c c c c c c c c c c c c c

How much friction loss in 225 ft (3 sections) of 2" hose? - answer-- 105 psi
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How much friction loss in 300 ft (4 sections) of 2" hose? - answer-- 125 psi
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What buildings are considered a high rise? - answer-- Buildings greater than 60 feet at
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minimum of 6 stories tall
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Uploaded on: June 21, 2025
Number of pages: 3
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Questions & answers

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