engine ops 6-9 Flashcards
Which hydrant will have 10-15% greater discharge than the smith hydrant 6.2.3
Dresser low pressure hydrant
The 35 foot soft connection is _______feet and it provides the ________ flow. 6.3.1
35 foot
Largest flow
True or False It would be appropriate for a officer to use 1 3/4 inch line for a defensive position.
7.6.3
False
1 3/4 inch line has a ______ MST and nozzle pressure is________ and will flow about _______ gpm
7.6.1
15/16 MST
50 psi nozzle pressure
180 gpm
What color is the siamese connection for a combo system 9.3.2
Yellow
You would know that a aluminum siamese connection is: 9.3.2
Non-automtatic or perforated pipe sprinkler system
The number on the hydrant barrel indicates? And if it has a white line under the number means? 6.2.2
The size water main and the white line means the hydrant is on a deadend main
Durning hose testing the manifold shall be supplied with what size hose 7.14
2 1/2 inch
The maximum pressure in a hose line should be limited to how much psi? 7.5.1
250 psi max
What is the maximum number of lengths of 1 3/4 inch hose in any hose streach 7.12.3
6 due to greater friction loss
When a officer cannot determine the size or extent of a fire he should order the stretch of what size hose
7.6.3
2 1/2 inch
It would be a good practice for a ECC to raise pressure to remove kinks hydraulically
7.5.6
No
A yellow hydrant disc indicates:
6.5.2
Frozen hydrant
For a auxiliary fire protection system that is not functioning as a fully automatic system:
You should place what color and size disc
6.5.2
3 inch blue disc
Each engine company should carry a minimum of how much 1 3/4 inch hose
7.2.5
20 lengths
