HYDRAULICS Flashcards
WHAT IS THE CALCULATION FOR FIGURING OUT FRICTION LOSS?
2 X Q SQUARE X FF X LENGTH
WHAT IS THE CALCULATION FOR FIGURING OUT GPM OUT NOF A SMOOTH BORE NOZZLE?
29.7 X D(2) X SUARE ROOT OF NOZZLE PRESSURE
WHAT IS THE FRICTION FACTOR FOR 1” REDLINE?
97
WHAT IS THE FRICTION FACTOR FOR 1 1/2?
13
WHAT IS THE FRICTION FACTOR FOR 1 3/4?
8
WHAT IS THE FRICTION FACTOR FOR 2 1/2?
1
WHAT IS THE FRICTION FACTOR FOR (2) 2 1/2?
.25
WHAT IS THE FRICTION FACTOR FOR 5”?
.03
WHAT DOES PDP EQUAL?
PDP=NP+FL+AP+-EL
WHAT ELKHART NOZZLE IS ON THE RED BOOSTER LINE AND WHAT IS ITS GPM RATING?
SM-3F 10-75GPM 50GPM RECOMENDED
WHAT ELKHART NOZZLE IS ON ALL 1 3/4 HL AND WHAT IS ITS GPM RATING?
SM20FLP 60-200GPM 150GPM RECOMMENDED
WHAT ELKHART NOZZLE IS USED ON 2 1/2 HL AND WHAT IS THE GPM RATING?
SM-30F 75-325GPM
250GPM RECOMMENDED
WHAT IS THE PDP FOR THE FOLLOWING PRECONNECTS? 100' 150' 200' 300'
100PSI
110PSI
120PSI
130PSI
WHAT IS THE PDP FOR 2 1/2 HL WITH SM-30F? 100' 150' 200' 250' 300' 350' 400'
100'=105PSI 150'=110PSI 200'=115PSI 250'=120PSI 300'=125PSI 350'=130PSI 400'=135PSI
WHAT IS THE NOZZLE PRESSURE FOR SOLID STREAM HL?
50 PSI
WHAT IS THE (FL) FOR 100’ OF 2 1/2 WITH A 1’ TIP?
(8 PSI) PER 100’ 2 1/2 HOSE
200 GPM
WHAT IS THE (FL) FOR 100’ OF 2 1/2 WITH A 1 1/8 TIP?
(12.5) PSI PER 100’ OF 2 1/2 HOSE
250 GPM
WHAT IS THE (FL) PER 100’ OF 2 1/2 WITH A 1 1/4 TIP?
(18 PSI) PER 100’ OF 2 1/2 HOSE
300 GPM
WHAT IS THE (FL) FOR 100’ OF 2 1/2 FLOWING 150 GPM?
(4.5 PSI) PER 100FT OF 2 1/2 HOSE
WHAT IS THE (NP) FOR MASTER SOLID STREAM NOZZLES?
80 PSI
WHAT IS THE (NP) FOR MASTER STREAM FOG NOZZLES?
100 PSI
HOW MANY PSI DO YOU ADD FOR MASTER STREAMS DEVICES?
LADDER PIPES, STAND PIPES, PORTABLE MONITORS, DELUGE GUNS
25 PSI
WHAT IS THE GPM/FL FOR A 1 3/8 MASTER STREAM TIP?
500 GPM
1 PSI PER 100’
WHAT IS THE FL/GPM FOR 1 1/2 MASTER STREAM TIP?
600 GPM
2 PSI PER 100’
WHAT IS THE FL/GPM FOR A 1 5/8 MASTER STREAM TIP?
700 GPM
3 PSI PER 100’
WHAT IS THE FL/GPM FOR A MASTER STREAM FOG NOZZLE?
750 GPM
3.5 PSI PER 100’
WHAT IS THE FL/GPM FOR A 1 3/4 MASTER STEAM TIP?
800 GPM
4 PSI PER 100’
WHAT IS THE FL/GPM FOR A MASTER STREAM 1 7/8 TIP?
900 GPM
5 PSI PER 100’
WHAT IS THE FL/GPM FOR A MASTER STREAM 2” TIP?
1000 GPM
6 PSI PER 100’
HOW FAR AWAY DO YOU PLACE THE APPARATUS WHEN SUPPLYING A STAND PIPE SYSTEM?
200’
IFF GIVEN THE CHOICE WHICH HYDRANT WOULD YOU USE CITY MAIN OR PRIVATE HYDRANT?
CITY MAIN UNLESS PRE PLAN ADVISES TO USE PRIVATE HYDRANT.
WHAT IS THE FORMULA FOR CALCULATION THE DISCHARGE FOR SPRINKLER HEADS?
307.07
GPM= 1/2(P) + 15
EXAMP: 75 +15= 90
WHAT PROVIDES THE PERFECT VACUM? (DRAFTING)
305.09
14.7 PSI OF NEGATIVE PRESSURE AT SEA LEVEL OR 30 INCHES OF VACUM
HOW MUCH OF A VACUM SHOULD A FIRE APPARATUS PRIMER PRODUCE IN 30 SECONDS? (DRAFTING)
305.09
22 INCHES OF VACUM
WHAT IS THE MAXIMUM PRACTICAL LIFT FOR FIRE GROUND APPLICATIONS? (DRAFTING)
305.09
20 FEET
WHAT IS THE MAXIMUM LIFT TO PROVIDE PUMPS AT THERE RATED CAPACITY? (DRAFTING)
305.09
10 FEET
WHAT EFFECT THE THE MAXIMUM FLOW FOR A GIVEN LIFT? (DRAFTING)
305.09
SIZE OF THE SUCTION HOSE
HOW MANY FEET OF 2 1/2 OR ON THE PUMPER?
306.04
800 FT
HOW MANY FEET OF 5 INCH SUPPLY ON PUMPERS?
306.04
1000 FEET
DURING A FORWARD LAY HOW FAST CAN THE ENGINEER DRIVE WHILE SUPPLY LINE IS BEING DEPLOYED?
306.06
10 MPH
WHERE SHOULD HOSE CLAMP BE PLACED ON A SUPPLY LINE?
306.06
20 FEET BEHIND PUMPER
WHAT IS A DOUBLE FORWARD LAY?
306.06
LAYING 2 -2 1/2 FOR A SUPPLY
WHAT SIZE GROUND LADDERS DO WE CARRY?
306.11
24”
28”
35”
WHAT SIZE PLUG IS USED IN ALL CAFS LINES INCLUDING ATTACK PACKS?
306.13
15/16” PLUG
WHAT NOZZLE IS STORED IN THE ENGINEERS COMPARTMENT?
306.13
SM30