TCFP Pump Operations, Water Supply & Foam
Questions with Verified Correct Answers
1 PSI is how many feet of water
2.31
Atmospheric Pressure PSI
14.7
Theoretical Maximum lift at Sea Level
33.8 (2.31 x 14.7)
Smooth bore Master Streams NP
90
Smooth bore Handline NP
50
Fog Master and handline NP
100
Straight stream vs solid stream
Straight is fog nozzle, solid is SB
1 meter of mercury is how many feet
1 foot
Coefficient 2"
8
C 1"
150
, C 1.5"
24
C 1.75
15.5
C 2.5"
2
C 3"(2.5"C)
.8
C 3" (3"C)
.67
C 5"
.08
C 4"
.2
Condensed Q: 3" Hose
FL=Q^2 (Divide 1 by 100 and X per section)
Condensed Q: 4" Hose (Divide 1 by 100 and X per section)
FL= Q^2/5
Condensed Q: 5" Hose (Divide 1 by 100 and X per section)
FL=Q^2/15
Pitot Tube
-Measures pressure at the opening of a SB
Flow Meter
-Can't help you determine how much foam to use
Blue Hydrant Cap
1,500 GPM or greater
Questions with Verified Correct Answers
1 PSI is how many feet of water
2.31
Atmospheric Pressure PSI
14.7
Theoretical Maximum lift at Sea Level
33.8 (2.31 x 14.7)
Smooth bore Master Streams NP
90
Smooth bore Handline NP
50
Fog Master and handline NP
100
Straight stream vs solid stream
Straight is fog nozzle, solid is SB
1 meter of mercury is how many feet
1 foot
Coefficient 2"
8
C 1"
150
, C 1.5"
24
C 1.75
15.5
C 2.5"
2
C 3"(2.5"C)
.8
C 3" (3"C)
.67
C 5"
.08
C 4"
.2
Condensed Q: 3" Hose
FL=Q^2 (Divide 1 by 100 and X per section)
Condensed Q: 4" Hose (Divide 1 by 100 and X per section)
FL= Q^2/5
Condensed Q: 5" Hose (Divide 1 by 100 and X per section)
FL=Q^2/15
Pitot Tube
-Measures pressure at the opening of a SB
Flow Meter
-Can't help you determine how much foam to use
Blue Hydrant Cap
1,500 GPM or greater