Hydraulics

Question 1

What is the nozzle pressure for smooth bore 1 3/4 hand line?

Answer 1

50 psi

Question 2

What is the nozzle pressure for smooth bore 2 1/2 hand line?

Answer 2

50 psi

Question 3

What is the GPM for smooth bore 1 3/4 hand line?

Answer 3

160 gpm

Question 4

What is the GPM for smooth bore 2 1/2 hand line?

Answer 4

300 gpm

Question 5

What is the FL for smooth bore 1 3/4 hand line?

Answer 5

38 per 100 feet
28.5 per 75 feet
19 per 50 feet

Question 6

What do you pump the 1 3/4 150ft crosslay at?

Answer 6

107

Question 7

What do you pump the 1 3/4 200ft crosslay at?

Answer 7

126 psi

Question 8

What is the FL for smooth bore 2 1/2 200 ft hand line?

Answer 8

90 psi

Question 9

What is the FL for smooth bore 2 1/2 hand line?

Answer 9

20 per 100 ft

10 per 50 ft

Question 10

What is the nozzle pressure for penetrating nozzle?

Answer 10

100 psi

Question 11

What is the GPM for the penetrating nozzle?

Answer 11

95 GPM

Question 12

What is the nozzle pressure for Smooth Bore master streams?

Answer 12

80 psi

Question 13

What is the nozzle pressure for fog master streams?

Answer 13

100 psi

Question 14

What is the GPM for fog master streams?

Answer 14

1,000 GPM

Question 15

What is the nozzle pressure for Blitz nozzle Fog low pressure?

Answer 15

55 psi

Question 16

What is the nozzle pressure for Blitz nozzle fog high pressure?

Answer 16

100 psi

Question 17

What is the GPM for Blitz Fog nozzles?

Answer 17

500 GPM

Question 18

What is the nozzle pressure for Blitz smooth bore nozzles?

Answer 18

50 psi

Question 19

What is the GPM for Blitz with a 1” tip?

Answer 19

300 GPM

Question 20

What is the GPM for Blitz with a 1 1/4” tip?

Answer 20

400 GPM

Question 21

What is the GPM for Blitz with a 1 1/2 “ tip?

Answer 21

500 GPM

Question 22

What is the FL for Blitz with a 1” tip?

Answer 22

20 per 100 ft

10 per 50 ft

Question 23

What is the FL for Blitz with a 1 1/4 “ tip?

Answer 23

30 per 100 ft

15 per 50 ft

Question 24

What is the FL for Blitz with a 1 1/2” tip?

Answer 24

40 per 100 ft

20 per 50 ft

Question 25

What is the FL for Blitz with a fog low pressure nozzle?

Answer 25

40 per 100 ft | 20 per 50 ft

Question 26

What is the GPM for master stream with | 1 1/4" tip?

Answer 26

400 GPM

Question 27

What is the GPM for master stream with | 1 3/8" tip?

Answer 27

500 GPM

Question 28

What is the GPM for master stream with | 1 1/2" tip?

Answer 28

600 GPM

Question 29

What is the GPM for master stream with | 1 5/8" tip?

Answer 29

700 GPM

Question 30

What is the GPM for master stream with | 1 3/4" tip?

Answer 30

800 GPM

Question 31

What is the GPM for master stream with | 1 7/8" tip?

Answer 31

900 GPM

Question 32

What is the GPM for master stream with | 2" tip?

Answer 32

1,000 GPM

Question 33

What is the FL for supply line for Master stream flowing 1,000 GPM?

Answer 33

22.5 per 100 feet 1) 22.5 2) 45 3) 67.5 4) 90 5) 112.5

Question 34

What is the pump discharge formula?

Answer 34

PDP = NP + FL + AP +/- EL

Question 35

What is the friction loss formula?

Answer 35

FL + GPM X HS / 10 and then -10 per 100 ft (Handline) ``` Q x (Q-1) / HS = MS Q= GPM/100 ```

Question 36

What is the appliance value for the ladder?

Answer 36

0 5

Question 37

What is the appliance value for the stang gun?

Answer 37

25 psi

Question 38

What is the appliance value for pump to pump?

Answer 38

20 psi

Question 39

What do you pump the sprinklers at?

Answer 39

150

Question 40

What do you pump for foam?

Answer 40

200

Question 41

What is the first digit formula?

Answer 41

Static - Residual = Difference Static divided by 10 = first digit (whole #) 85/ 10 = 8

Question 42

What is static pressure?

Answer 42

Intake pressure of water when no water is flowing

Question 43

What is residual pressure?

Answer 43

intake pressure of water after flowing water out of pump

Question 44

What is Class B foam used for and what is the concentration of foam used?

Answer 44

Gasoline, diesel fuel, mag, titanium, etc | Concentration is 3%

Question 45

What is Class A foam used for and what is the concentration of foam used?

Answer 45

Wood, paper, cloth, rubber, combustible powders | Concentration is 1%

Question 46

150 psi for discharge pressure will supply what?

Answer 46

100 % of pump capacity

Question 47

200 psi for discharge pressure will supply what?

Answer 47

70% of pump capacity

Question 48

250 psi for discharge pressure will supply what?

Answer 48

50 % of pump capacity

Question 49

Max working hose pressure for all our hoses is what?

Answer 49

250 psi

Question 50

What is NFPA 1901

Answer 50

states if pump is deemed in a ready state it must be tested at its max efficiency

Question 51

You should throttle the pump up to what during your pump check and for how long?

Answer 51

150 psi for at least 1 minute and no longer than 5 minutes

Question 52

Oil temp should be at what?

Answer 52

15-20 psi

Question 53

Coolant temp should be at what?

Answer 53

210 degrees

Question 54

Transmission temp should be at what?

Answer 54

180-200 degrees

Question 55

Voltage output should be what?

Answer 55

13 volts

Question 56

Primary/ Secondary air should be at what?

Answer 56

100-120 psi

Question 57

What should your decon setup include?

Answer 57

``` Orange 5 gal bucket Dawn soap 2 brushes Large ziplock bag with 12 33 gal trash bags Red line Annouce to command decon location ```

Question 58

What is the PDP for extended lay?

Answer 58

183 psi | 350 feet

Question 59

What is the PDP for Glendale load with 1 line?

Answer 59

119 PSI

Question 60

What is the PDP for Glendale load with 2 lines?

Answer 60

151 psi

Question 61

What is the FL for Glendale load with 1 line?

Answer 61

6 per 100 feet 3 per 50 feet Glendale Load has 200 feet of 2 1/2

Question 62

What is the FL for Glendale load with 2 line?

Answer 62

22 per 100 feet 11 per 50 feet 44 +107 (Remember both lines are 150 feet so only would calculate 107 +44)