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apparatus operator > apparatus operator > Flashcards

apparatus operator Flashcards

1
Q

firefighter injuries from accidents annually

A

1000-1300

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2
Q

civilian injuries annually from firefighters driving

deaths?

A

650

20 to 30

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3
Q

percent of firefighter deaths because of driving

A

33%

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4
Q

what percent of crashes result in rollovers?

collisions at intersections

A

20%

60%

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5
Q

two major causes of accidents

A

lack of forethought

speed

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6
Q

number one cause of collisions

A

human error

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7
Q

5 Keys to the Smith safe driving system

A

aim high in steering

get the big picture

keep your eyes moving

leave yourself an out

make sure they see you

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8
Q

total stopping distance takes into account what?

A

perception time

decision reaction time

air brake lag

braking distance

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9
Q

how do you calculate travel distance (reaction distance) 3/4 second

A

add the first digit of your speed to your speed

ex. 55mph 55+5=60 feet per 3/4 second

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10
Q

when the vehicle speed doubles the destructive force does what?

A

four times the force

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11
Q

following distance in seconds?

how many seconds following distance do you add when driving code 3?

A

4

1 second

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12
Q

keys to accident avoidance

A

recognize a hazardous situation

formulate a defense

act in time to avoid the accident

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13
Q

belt tension

A

no more than 3/4”

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14
Q

what percent of leaf springs can be broken cracked of missing?

A

25% or less

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15
Q

last notch on the brake pad wear tab

A

1/4”

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16
Q

angle of slack adjuster when brakes applied?

A

90 degrees

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17
Q

how much slack on adjuster when pulled ?

A

1 inch

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18
Q

tire cuts not to exceed

A

1 inch

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19
Q

tire inflation on type 1

A

100-120

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20
Q

tread depth front tires

A

4/32

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21
Q

rear tire tread depth

A

2/32

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22
Q

are re tread tires allowed?

A

on non steering axels

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23
Q

what two types of tires on rear?

A

radial or bias

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24
Q

normal volt range

A

12 to 14

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25
Q

normal water temp

A

170-210

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26
Q

normal oil pressure

A

35-75

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27
Q

normal trans temp

A

below 250

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28
Q

steering wheel play

A

10 degrees or 2 inches in 20” wheel

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29
Q

Air Brake Pneumonic

A

Gov cut out

Gov cut in

Static

Applied

Low air

Pop out

Air recovery

Tug

30
Q

max cut out

A

130

31
Q

max cut in

A

85

32
Q

static air test max drop

A

no more than 2 psi in 60 seconds

33
Q

applied air test max drop

A

3 psi in 60 seconds

34
Q

low air warning

A

55-75

35
Q

pop out

A

20-45

36
Q

max time for air recovery

A

45 seconds

to go from 85 to 100 psi

at high idle 1200rpm

37
Q

tug test emergency brake

A

pull up chock fasten seat belt and press accelerator

38
Q

tug test service brakes

A

press brake

release parking brake

with hands off steering wheel apply brakes.

note any movement of wheel

39
Q

what NFPA code does the daily and weekly cover

A

1002

40
Q

daily done before when?

how long should it take

A

830

15-20 min

41
Q

pump discharge at idle

A

50 psi

42
Q

weekly should take how long?

A

1-2 hours

43
Q

equipment ran on weekly for a minimum of

A

5 minutes

44
Q

monthly inspection items

do these when

A

drain tank flush pump

clean all compartments

clean engine and pump

clean interior

wax apparatus

extended maint on equipment

2 or so on each weekly

45
Q

apparatus repair types

A

non emergency

emergency

46
Q

6 month service level

12 month

24 month

A

d

e

f

47
Q

per the app manual where can we find out about repairs that were done to a vehicle or when the service is due

A

county vehicle ops website

48
Q

how much longer does it take to stop on wet or icy pavement?

A

3-15 times longer

49
Q

type 3 weight

A

33000 lbs

50
Q

water tender 22 and 32 weight

A

31,000

51
Q

on type 3 shifting from high to low does what?

A

cuts axel speed in half and doubles torque

52
Q

how fast can you travel when engaging front axel on type 3?

A

below 10 mph

53
Q

how do you switch to low or hi?

A

stoped with trans in neutral and brake set.

54
Q

calculating slope?

A

rise/run x 100 =% of slope

55
Q

45 degree slope=

A

100% slope

roughly

1% = 1/2degree

56
Q

max slope for a brush truck up or down

A

35-40%

or

22-25 degrees

57
Q

side slope

use caution after

side slope max

tilt table tested up to ?

A

15 degrees

25 degrees

31 degrees

58
Q

water weights how much per gallon

A

8.35

59
Q

airing down to 30 psi increases the footprint how much percent

A

65%

60
Q

length of tow chain on type 3

what size ?

breaking strength

A

20 ‘

3/8

19,800

61
Q

collapse zone size?

A

1 1/2 the height

62
Q

parallel batts do what?

series does what?

A

increase amps

increase volts

63
Q

rotor size on KME

A

17 “

64
Q

rear brake type on type 1

A

drum with s cam automatic slack adjuster

65
Q

generator output

A

1500 watts

66
Q

5 componets of the air brake system?

A

compressor

air tank

foot valve

brake chambers

brake drums and rotors

67
Q

pump rated at

A

500 gpm at 150 psi

68
Q

brush truck foam pump?

A

foam pro .1-1%

69
Q

water tender 18 weight

A

64000

70
Q

nfpa 1901

A

standard for automotive apparatus

71
Q

nfpa 1911

A

standard for maintenance and service of fire apparatus

72
Q

C

O

L

A

pop

A

Cut in 85-100

Out 130

Low air 50-75

Applied pressure 3 psi in 60 seconds

pop 20-45

apparatus operator (3 decks)

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