Evolution Flashcards

0
Q

When stretching a 2 1/2” line how many folds do you place your arms through of hose on the hose bed

A

First three

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1
Q

What size tip do we use on a 2 1/2” line

A

1 1/4”

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2
Q

How many feet behind the engine do you place your folds when stretching a 2 1-2” line

A

15’

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3
Q

How many folds do you place on the street before pulling additional links off

A

3

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4
Q

What tools do you need for in-line pumping

A

Pumper

  • sufficient 3 1/2” line
  • 1 double male 3”x3”
  • 1 4 1/2”- 3” hydrant fitting
  • 2 1/2” x 2 1/2 gate
  • Bolt cutters
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5
Q

What size hydrant should be used when in-line pumping

A

6 inches or larger

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6
Q

How many lengths of 3 1/2 inch hose should be used for in-line pumping

A

Not more than six

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7
Q

At what pressure should augmentation begin an in-line pumping

A

15 psi

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8
Q

What is the maximum lengths of hose that could be stretched by hand for three and half inch line

A

3

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9
Q

What are the three buzzer tone signals mean

A

1 emergency stop
2 hoes fireman in position pumper to proceed
3 area behind pumper is clear for backing up with the proper supervision

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10
Q

In line pumping maybe utilized as a supply option when

A

10-70

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11
Q

What is considered low pressure from the hydrant for in-line pressure

A

30-40 psi

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12
Q

When stretching up the side of the building how many feet from the nozzle do you tie the knot

A

A clove hitch on a binder is tied 2 feet away from the nozzle

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13
Q

When stretching a 2 1/2 inch line up the side of the building where do you put the Siamese

A

As close to the building when sufficient line has been stretched

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14
Q

How much hose should be stretched to the roof of a building and where to tie off

A

Approximately 10 feet of the third length on the roof

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15
Q

One stretching a 2 1/2 have to the roof where do you put the 2 1/2 two way gate

A

Inserted the gate between the first and second length from the nozzle

16
Q

Can you stretch a 3 inch line to the front of the building to augment the system when stretching to the roof or upper floors

A

Yes to the Siamese

17
Q

What equipment you need to stretch a 2 1/2 line to the roof or upper floors of the building

A
Pumper
 sufficient 2 1/2 inch line
2 1/2 Siamese
2 1/2 two way gate
Controlling nozzle
Utility rope
Hose roller
Lifebelt
18
Q

Hand signals for stretching line to the roof of a building

A

Start water-right arm upward vertical motion
Shut down-horizontal motion both arms across chest
Hoist- 2 sharp tugs on the rope

19
Q

Members wearing full bunker gear with or without a scba will become totally submerged in how long

A

1 minute

20
Q

How fast does the body lose heat in cold water

A

25 times faster than cold air

21
Q

At what temperature does the body go from ambulatory to unconscious in Coldwater

A

Court temperatures 90°

22
Q

What water temp does mammalian diving reflex happen

A

below 70°F