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Flashcards in Daily Test Deck (62):
1

Static air leakage test?

Fully charged, engine off, all brakes released, pressure loss not greater than 2 psi.

2

Applied air leakage test?

Fully charged, engine off, service brakes applied, pressure loss not greater than 3 psi.

3

Low air warning?

60 Psi

4

Compressor cut in?

85 psi

5

Compressor cut out?

125-130

6

Rate of build up?

Engine at normal operating RPM, (600) pressure should build from 85-100 psi in 45 sec, 90psi in 3 min, 120 in 5.

7

Maxi brake test?

sets 20-40 psi

8

Roll out test?

Engine should stop within 20 feet when braking is pulled at 5 mph.

9

Engine temp?

190-210

10

Engine RPMs?

600 rpm

11

Engine oil pressure?

40-50

12

Voltmeter range?

13.8-14.2 when running- Not running

13

Transmission temp?

Keep at apprx. 200, 250 is overheating

14

Steering wheel play?

Shouldn't exceed 10 degrees on a 20 in. wheel - about 2 inches of play.

15

Front and back tire depth?

4/32 in front/ 2/32 in rear

16

Lights- visible low beams and high beams?

Low 250' /High 350-500'

17

Brake shoes and pads

Disk pads- 1/8"
Drum shoes- 1/4"
Brush Drum shoes- 3/16"

18

Brake Cans

ME front and rear- 30"
BE front - 16"
BE Rear- 30"

19

Slack adjuster stroke

ME front and rear- 2"
BE front- 1 3/4
BE rear- 2"

20

Engine pressure formula

EP= NP + Appliance + or - back pressure + FL

21

Nozzle reaction formula

1.5 x D2 x pressure

22

Momentary nozzle reaction

1.8 x D2 x pressure

23

Nozzle reaction of fog nozzle

1/2 gpm

24

Gpm discharge formula

29.7 x D2 x square root of the pressure

25

Gpm discharge formula field calculations

30 x D2 x square root of the pressure

26

Friction loss

> 100 gpm- 2Q square + Q
< 100 gpm- 2Q square + 1/2 Q

27

Back pressure- psi per foot, per floor

.434 x height in feet
"fire ground" psi per foot = 1/2
per floor = 5 above first

28

Intake pressure- In relay ops min engine pressure

10 psi + FL

29

FL Monitor

15

30

FL Standpipe

25

31

FL small appliances

10

32

FL Disabled engine

25

33

FL Wildland tee

5

34

Automatic sprinkler connections
1. Initial pressure
2. Max pressure

150
max 200

35

Conversion factors

4" -.25
3 1/2"- .4
3"- .5
3"-cotton .6
2" 1.33
1 3/4"- 2
1 1/2"- 4
1"- 11
3/4- 24

36

Department standard for HR nozzles gpm and pressure

1 3/4" - 150 gpm 75 NP
2 1/2" - 250 gpm and 100 NP

37

Break away nozzle rpm and NP

160 GPM, 50PSI

38

Relief valve/pressure govermor must be set when

-2 or more hand lines are in operation
-pumping a master stream sppliance

39

Class A foam %

-Suppression .2%
-Overhaul .1 - .2%
-exposure protection .5- 1%

40

Ladder pipe total and GPM for:
1 1/4
1 3/8
1 1/2
1 5/8
1 3/4
1 7/8
2

1 1/4 115 PSI, 400 gpm
1 3/8 120 psi, 500 gpm
1 1/2 126 psi, 600 gpm
1 5/8 133 psi, 700 gpm
1 3/4 141 psi, 800 gpm
1 7/8 150 psi, 900 gpm
2 160 psi, 1000 gpm

41

Orange 2.5 GPM

250 Gpm

42

Yellow 2.5 GPM

300 Gpm

43

Max gpm to 1 3/4" HR nozzle

170 gpm

44

Regular gpm to 1 3/4" HR nozzle

150 gpm

45

Max gpm for 1 3/4" fog?

200 gpm

46

1 3/4" with fog PSi?
50' at 125 gpm =

107.5

47

1 3/4" fog
100' at 125 gpm

115

48

1 3/4" fog
150' at 125 gpm

122.5

49

1 3/4" fog
200' at max gpm

172 max gpm is 200

50

1 3/4" fog
300' at max gpm

208

51

1 3/4" fog
200' at 125 gpm

130

52

2 1/2" fog
50' at 250 gpm

107.5

53

2 1/2" fog
50' at 300 gpm

110.5

54

2 1/2" fog
100' at 250 gpm

115

55

2 1/2" fog
100' at 300 gpm

121

56

2 1/2" fog
150' at 250 gpm

122.5

57

2 1/2" fog
150' at 300 gpm

131.5

58

2 1/2" fog
200' 250 gpm

130

59

2 1/2" fog
200' at 300 gpm

142

60

150' of 2 1/2" with 1" tip

65

61

150' 2 1/2" 1 1/8' tip

72.5

62

150' 2 1/2' with 1 1/4" tip

80