Ch 17 pg 433-435
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Questions and Answers

Pg 433 says that steel bar joist are spaced 2 to _ ft apart, but ch 12 pg 343 says they may be spaced up to __ ft apart. Both say up to __ ft long

6 6 60

A 2 1/2 in handline or a ____ stream should begin the attack on the fire store. The 2 1/2 in line offers __ to 80ft of reach

Master 75

Pg 435 says a 2 1/2 in handline has a reach of more than __ ft

80

If the flow of the handline isn’t enough use a ___ gun. After you get the store knocked down, continue to cool the steel joist for ____ minutes before anyone enters beneath them

<p>Deck gun several</p> Signup and view all the answers

If heavy fire is found in the cockloft of the store immediately next to the fire store, do not enter ; drop back at least ___ stores and check cockloft again

<p>Two</p> Signup and view all the answers

On steel bar joist you can not cut directly over the fire however you can back away __ ft or the width of ____ average stores from the sagging joist to an area where the hose streams are cooling the steel and cut there

<p>60 three</p> Signup and view all the answers

A typical older store is 20 ft wide and -100ft deep with a ceiling height of 10- ft pg 434

<p>75 15</p> Signup and view all the answers

Pg 431 says that an older store is __ to 100ft deep

<p>50</p> Signup and view all the answers

Both of these factors—- _____ areas and ____ fire loads require engine companies to use different tactics from what they do for house fires

<p>Larger heavier</p> Signup and view all the answers

Even a moderate size store fire in an older taxpayer is _____ sq ft, __ times the size of the average living room with a fire load per square foot that is __ that of residential occupancies

<p>1500 5 3</p> Signup and view all the answers

Each engine should connect to a serviceable hydrant with either their ___ suction or via ____ diameter (5 or 6in) supply line.

<p>Soft large</p> Signup and view all the answers

One of the most beneficial places to spot the pumper is with the ___ gun directly in line with the fire store

<p>Deck</p> Signup and view all the answers

One benefit of a 2 1/2 in handline is the ____ of water delivered and the ___ of the stream

<p>Volume reach</p> Signup and view all the answers

Under typical store circumstances a 2 1/2 in line can be maneuvered with ___ members

<p>3</p> Signup and view all the answers

The 1 __ in solid tip flowing ___ gpm at only 50 psi nozzle pressure does a good job of blasting a hole through the ceiling to get water on the fire

<p>1/4 325</p> Signup and view all the answers

A commercial fire should be approached with about __ gpm per square foot

<p>.35</p> Signup and view all the answers

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