DW-Numbers2 Flashcards Preview

Undeleted > DW-Numbers2 > Flashcards

Flashcards in DW-Numbers2 Deck (125):
0

Tower Ladder
Chassis support
Boom sections
Basket square footage

6
4
15sqft

1

Tower Ladder:
15 is found in five places in tower ladders

Basket 15sqft
Front end of TL angled 15°
Max slope 15%
Hose strap w 15' of 1/2" rope
15' loop on a bowline to substantial part of the basket

2

Max floor elevation of TL

70'

3

Angle that will provide max floor elevation

75° Angle to reach 70' height

4

Ideal distance to objective TL

32'

5

Floor elevation if TL is at ideal distance to objective

65' w TL 32' from objective

6

TL scrub area

7750sqft
60' H, 50'W, 100' frontage w cab 15°

7

Distance basket can reach below grade

10'

8

Distance of center line of turntable where there will be sufficient room to drop basket

25'

9

Nominal height of TL

75'

10

Grade ip to __are considered to be level

4%

11

Angle to drain waterway

60°

12

The rung in which the 15' 1/2" rope w hose strap must go through

6th rung

13

Total men in TL basket with pl operation

3 men
2 optimal

14

When drilling on pl operation in TL the basket should be at a height of

2-3'

15

When operating on a roof questionable stability with tools, stay within ___ radius

10 radius

16

Alpha radiation travel

1-2"

17

Beta radiation range

Up to 10'

18

Gamma radiation range

Several hundred feet

19

Rad50 alarms at

1mr/hr

20

Hot zone is established at

2mr/hr

21

Max reading rad50

50mr/hr

22

Average annual dose of radiation people receive from background

360 mr

23

Normal background radiation read the New York City

0.02 - 0.05 mr
Ludlum w pancake probe 25-100cpm

24

Members receiving absorbed doses should be rotated at this dose level

5 REM

25

Members receiving an absorbed dose for protection of major property should be at this level

10 Rem

26

Members receiving the up your dose for life saving purposes should be rotated at this dose level

25-50 Rem

27

Radio active hazard class number

7

28

Maximum level radiation on the surface of a yellow III package

200mr/hr

maximum level radiation on the surface 1 meter 10 mr/hr
(transportation index should not exceed)

29

9 V battery is changed on the rad 50

Every three months JAJO

30

The ultraradiac The text gamma an x-ray what are the high and low rate alarms

Low 2mr/hr
High 50mr/hr

31

Ultraradiac hi and low dose alarms

Low 5R
High 12R

32

The blinking b at the top left corner of the ultraradiac indicates

10 hours or less of battery time

33

Ultraradiac contains four AAA batteries which is good for ____hrs of continuous monitoring

150

A minimum of eight batteries should be stored in pelican case

34

Ultraradiac that passes all start up test will have a blinking

9

35

What indicates an ultraradiac has failed start up test

Blinking 0

36

What is the safe operating distance for replying water on energized or D energized equipment

15' live 138V 30° fog or greater
75 138 V solid straight stream less than 30°
25' 345V 30° fog or greater
125' 345 V solid straight stream less than 30°

37

Aqua stream master stream nozzle factory preset pattern

130°

38

Maximum safe levels operating water stream on energized equipment

0.9 mA

39

Safe distance is from expose the overhead busbars 345 V

18'

40

Save distances from expose overhead busbars 15 K to 38K Volts

10'

41

Sulfur hexafluoride gas is ___X heavier than air

5X

42

Safe clearance horizontally from substations exterior fence from an aerial or tower ladder

18'

43

CORE relay in Subway system

Chauffeur within 50 yards from bottom subway entrance stairs
OVM 50 yards from LCC foot of the stairs leading to the platform
Roof 50 yards from all OVM from stairs to platform
Engine officer 100 yards wind of sight from roof on platform
Additional HT members every 100 yards

44

Third rail power

660 V

45

To halt train traffic shine light chest height horizontal motion

4'

46

Power removal box distance bluelight

600'

47

Gates valves with fire department threads located every

200'

48

Track identification signs on columns of the Manhattan Bridge are every

400' at 8' heights

49

Progress reports from light train operations at least one every

15 min

50

Catenary overhead wire voltage

12,00V AC

51

Standby power connections for Amtrak heavy black cable

480V

52

What is the minimum distance with water sprays for 10K and 30 KV for the NFPA standard

4'

****FDNY standard 10 feet minimum safe distance

53

Length of the EED

7'
Weight 42 lb

54

The angle in which the EED will reach the road bed

70°

55

Trains are composed of ______cars

1-4

56

What are the width of the center walkway and sidewalk way of an air train

Side walkway 2.5 feet
center walkway 5.5 feet

57

What's the approximate height of handrail of air train walkways

3'

58

Air train third rail power voltage

750V DC

59

Blue white power distance at air train

800'

60

What are the primary and secondary subway repeater channels

14 & 15

61

Members exposed to bleach should immediately for skin or eyes and running water for

15 minutes

62

Rear mount as as a water tower
Street w severe crown, max angle
Max extension ladder
Max psi

70 degrees
80'
90psi

63

What is the upper and lower explosive levels of CO

12.5% to 74%

64

Carbon monoxide is about ____ more attracted to the hemoglobin than oxygen

210

65

Emergency mass Decon
Distance between two operating pumpers

25' 50-80psi

66

The EPA has established that residential levels or not to exceed

9ppm over an eight hour period

67

LaGuardia airport fire hydrants:
Low-pressure
High pressure

low-pressure 65 PSI high pressure painted black body silvertop
125 PSI painted yellow

68

Kennedy Airport three types of hydrants low,intermediate,hi psi's

Low-pressure 60 PSI black body silvertop
Intermediate pressure 90 psi yellow top black body
High-pressure 160 PSI. Painted yellow

69

A potentially lethal level of carbon monoxide is when meter readings are

100ppm or greater

70

It is easier and faster to use a rope stretch in H types where stairs wrap around the elevator shaft if the fire is on

Third floor or above

71

A carbon monoxide incident is when meter readings or

9ppm or less

72

CO emergency is one where meter readings are

10ppm or more (greater than 9)
But less than 100

73

Safe atmospheric conditions confined spaces:
Oxygen concentration
Flammable range
Toxicity

Oxygen concentration between 19.5% and 23.5%
Flammability range not over 10% LEL
Toxicity not over 35 ppm of calling monoxide
Not over 10 ppm of hydrogen sulfide

74

OSHA has established a maximum safe working level for carbon monoxide to

35 ppm over an eight hour period

75

Emergency Mass Decon
Distance between 2- 2 1/2" handlines

25-30' 50-80psi

76

With water flowing and a man climbing aerial to correct ladder pipe, the correct angle of the ladder will be that when the horizontal distance between tip of ladder and turntable is between ____&____.

15'-25'
70-80 degree angle

77

The ignition temperature of carbon monoxide

1128°F

78

Discharge time of purple K extinguisher

11 seconds

79

TL basket can be placed _____above the street

1-2'

80

In high-rise class e single unit responses, after the alarm panel resets the officer shall remain for approximately _______to be sure that the reset holds

2-3 minutes

**TL basket can be brought down to 2 to 3 feet above ground

81

Natural gas LEL

5-15%

82

When turning corners with apparatus, operator should not be in excess of __mph

15 mph

83

At 1100°F failure temperature of steel will lose __% of load carrying capacity

40%

84

Positive pressure ventilation fans are placed ______from the attack stair door at a degree __angle.

The Fans can pressurize up to ___floors.

Two fans can pressurize up ___floors

If the fire floor is above the 10th for a second fan must be set up ___ floors below the fire for

4-6 feet
80°
10 floors
40 floors
3 floors

85

Hydrant selected for in-line pumping must be on a __or larger main

6"

86

Maximum number of 3 1/2 inch supply line hand stretched

3

87

When intake pressure drops below ___PSI have water supply augmented

15 psi

88

The amount of time it takes to equalize both cylinders using fast pak

Approximately 60 seconds

89

During a hurricane or flood condition and apparatus shall not cross water with the depth is in excess of

Should not exceed 18"

90

Depth of water to be crossed should not exceed __for FDNY hi Axle vehicles

50"

91

During brushfire operations reflex time for the police helicopter can be expensive generally

20-30 min

92

A helicopter will not fly in the wind over

40mph

93

Helicopters have a limited operating time generally

2-3 hours

94

A Bambi bucket capacity is

150 gallons

95

Minimum breaking strength of personal harness

6000 pounds

96

Remember freefalling _____ is considered a sufficient impact glued to warrant placing the personal harness out of service

3 feet or more

97

The PSS hook load capacity at tip ?
at saddle?

Tip 5000 pounds
Saddle 10,000 pounds

98

PSS rope diameter

7.5 MM (9/64")

99

This H model has an LCD the screen

Model III

100

HPs have a special ___digit number specifically assigned to each radio

7

101

A second emergency alert tone will be transmitted automatically __seconds after the initial tone

10 seconds

102

By pressing the purple light button on the HT the back light will turn on for

5 sec

103

Motorola HT T batteries are rated for approximately

8 hrs

104

The expected battery life of a Motorola HT battery will last approximately _______at 2 watts

________@ 5 watts

452
4-5 hours " 2 w

235
2-3 hours @ 5 w

105

Radios that chirp have approximately _____percent of its full charge battery capacity remaining

5-10%

106

_____ batteries are assigned per HT

2

107

HT batteries need to be used and charged on a regular basis. If this cycle is disrupted for more than ____________, the batteries charging capacity will become greatly diminished

2 weeks

108

When inserting battery there are ____ slots to align with the ___slots on the ht

3,3

109

To recharge an HT battery, this will normally require approximately ___________of charging.

1 hour

110

Exchange batteries received from the depot must be left on the charger for a minimum of __hours before using

14

111

On vehicle battery charger may take up to __hours to charge a fully drain the battery

3 hours

112

Width of flagging column

3/8"

113

The apparatus air outlet can fill two lengths of hose in approximately

20 seconds

114

Units are to maintain a minimum __supply of rolls of MDT print out paper at all times

3

115

Building separated by ____from the fire building should not be identified as exposures unless the volume of fire or complexity of the incident courses in exposure problem

More than 30 feet (31 feet or more)

116

Updated calculations have revealed that wooden bowstring truss roof may only support ___percent of the load they were originally designed to hold

40%

117

The Nolan real court has one wheel that is provided with a wheellock slide bolt which is colored

Red square

Orange and green markings are used to line up the rail court when remounting it to the hand truck

118

The placard number for propane

1075

119

Hydraulic fluid in eyes, flush with clean water for ___ minutes

20

120

The time the Drager SCBA will provide breathable air for

Four hours

121

When needed to be on air for a long period of time, for penetrations less than ____feet from see if the entry point, soc units can deploy supplied air respirators fed by hoses from an airsource court

300ft

122

What is the failure temperature of steel in the fire service according to Dunn

1100°F steel lose 40% of its carrying load capacity

123

When finding a motor vehicle fire attack from the flanks. Keep onlookers from standing in front of or to the rear of vehicle fires for a distance of at least

100 feet

124

When fighting a commercial garbage truck fire nobody should be allowed with in all of ______' the rear of the truck

50'

Decks in Undeleted Class (130):