Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Undeleted > DW-Numbers2 > Flashcards

DW-Numbers2 Flashcards

0
Q

Tower Ladder:

15 is found in five places in tower ladders

A 
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
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Tower Ladder
Chassis support
Boom sections
Basket square footage

A

6
4
15sqft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Max floor elevation of TL

A

70’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Angle that will provide max floor elevation

A

75° Angle to reach 70’ height

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Ideal distance to objective TL

A

32’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Floor elevation if TL is at ideal distance to objective

A

65’ w TL 32’ from objective

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

TL scrub area

A

7750sqft

60’ H, 50’W, 100’ frontage w cab 15°

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Distance basket can reach below grade

A

10’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

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

A

25’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Nominal height of TL

A

75’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Grade ip to __are considered to be level

A

4%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Angle to drain waterway

A

60°

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

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

A

6th rung

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Total men in TL basket with pl operation

A

3 men

2 optimal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

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

A

2-3’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

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

A

10 radius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Alpha radiation travel

A

1-2”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Beta radiation range

A

Up to 10’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Gamma radiation range

A

Several hundred feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Rad50 alarms at

A

1mr/hr

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Hot zone is established at

A

2mr/hr

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Max reading rad50

A

50mr/hr

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Average annual dose of radiation people receive from background

A

360 mr

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Normal background radiation read the New York City

A

0.02 - 0.05 mr

Ludlum w pancake probe 25-100cpm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Members receiving absorbed doses should be rotated at this dose level

A

5 REM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

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

A

10 Rem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

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

A

25-50 Rem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Radio active hazard class number

A

7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Maximum level radiation on the surface of a yellow III package

A

200mr/hr

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

9 V battery is changed on the rad 50

A

Every three months JAJO

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

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

A

Low 2mr/hr

High 50mr/hr

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Ultraradiac hi and low dose alarms

A

Low 5R

High 12R

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

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

A

10 hours or less of battery time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

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

A

150

A minimum of eight batteries should be stored in pelican case

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Ultraradiac that passes all start up test will have a blinking

A

9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

What indicates an ultraradiac has failed start up test

A

Blinking 0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

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

A

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°

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Aqua stream master stream nozzle factory preset pattern

A

130°

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Maximum safe levels operating water stream on energized equipment

A

0.9 mA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Safe distance is from expose the overhead busbars 345 V

A

18’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

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

A

10’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Sulfur hexafluoride gas is ___X heavier than air

A

5X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

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

A

18’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

CORE relay in Subway system

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Third rail power

A

660 V

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

To halt train traffic shine light chest height horizontal motion

A

4’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Power removal box distance bluelight

A

600’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Gates valves with fire department threads located every

A

200’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Track identification signs on columns of the Manhattan Bridge are every

A

400’ at 8’ heights

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Progress reports from light train operations at least one every

A

15 min

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Catenary overhead wire voltage

A

12,00V AC

51
Q

Standby power connections for Amtrak heavy black cable

A

480V

52
Q

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

A

4’

**FDNY standard 10 feet minimum safe distance

53
Q

Length of the EED

A

7’

Weight 42 lb

54
Q

The angle in which the EED will reach the road bed

A

70°

55
Q

Trains are composed of ______cars

A

1-4

56
Q

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

A

Side walkway 2.5 feet

center walkway 5.5 feet

57
Q

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

A

3’

58
Q

Air train third rail power voltage

A

750V DC

59
Q

Blue white power distance at air train

A

800’

60
Q

What are the primary and secondary subway repeater channels

A

14 & 15

61
Q

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

A

15 minutes

62
Q

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

A

70 degrees
80’
90psi

63
Q

What is the upper and lower explosive levels of CO

A

12.5% to 74%

64
Q

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

A

210

65
Q

Emergency mass Decon

Distance between two operating pumpers

A

25’ 50-80psi

66
Q

The EPA has established that residential levels or not to exceed

A

9ppm over an eight hour period

67
Q

LaGuardia airport fire hydrants:
Low-pressure
High pressure

A

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

68
Q

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

A

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

69
Q

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

A

100ppm or greater

70
Q

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

A

Third floor or above

71
Q

A carbon monoxide incident is when meter readings or

A

9ppm or less

72
Q

CO emergency is one where meter readings are

A

10ppm or more (greater than 9)

But less than 100

73
Q

Safe atmospheric conditions confined spaces:
Oxygen concentration
Flammable range
Toxicity

A

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
Q

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

A

35 ppm over an eight hour period

75
Q

Emergency Mass Decon

Distance between 2- 2 1/2” handlines

A

25-30’ 50-80psi

76
Q

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 ____&____.

A

15’-25’

70-80 degree angle

77
Q

The ignition temperature of carbon monoxide

A

1128°F

78
Q

Discharge time of purple K extinguisher

A

11 seconds

79
Q

TL basket can be placed _____above the street

A

1-2’

80
Q

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

A

2-3 minutes

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

81
Q

Natural gas LEL

A

5-15%

82
Q

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

A

15 mph

83
Q

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

A

40%

84
Q

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

A 
4-6 feet
 80°
10 floors
40 floors
3 floors
85
Q

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

A

6”

86
Q

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

A

3

87
Q

When intake pressure drops below ___PSI have water supply augmented

A

15 psi

88
Q

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

A

Approximately 60 seconds

89
Q

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

A

Should not exceed 18”

90
Q

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

A

50”

91
Q

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

A

20-30 min

92
Q

A helicopter will not fly in the wind over

A

40mph

93
Q

Helicopters have a limited operating time generally

A

2-3 hours

94
Q

A Bambi bucket capacity is

A

150 gallons

95
Q

Minimum breaking strength of personal harness

A

6000 pounds

96
Q

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

A

3 feet or more

97
Q

The PSS hook load capacity at tip ?

at saddle?

A

Tip 5000 pounds

Saddle 10,000 pounds

98
Q

PSS rope diameter

A

7.5 MM (9/64”)

99
Q

This H model has an LCD the screen

A

Model III

100
Q

HPs have a special ___digit number specifically assigned to each radio

A

7

101
Q

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

A

10 seconds

102
Q

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

A

5 sec

103
Q

Motorola HT T batteries are rated for approximately

A

8 hrs

104
Q

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

                    \_\_\_\_\_\_\_\_@ 5 watts
A

452
4-5 hours “ 2 w

235
2-3 hours @ 5 w

105
Q

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

A

5-10%

106
Q

_____ batteries are assigned per HT

A

2

107
Q

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

A

2 weeks

108
Q

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

A

3,3

109
Q

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

A

1 hour

110
Q

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

A

14

111
Q

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

A

3 hours

112
Q

Width of flagging column

A

3/8”

113
Q

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

A

20 seconds

114
Q

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

A

3

115
Q

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

A

More than 30 feet (31 feet or more)

116
Q

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

A

40%

117
Q

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

A

Red square

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

118
Q

The placard number for propane

A

1075

119
Q

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

A

20

120
Q

The time the Drager SCBA will provide breathable air for

A

Four hours

121
Q

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

A

300ft

122
Q

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

A

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

123
Q

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

A

100 feet

124
Q

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

A

50’

Undeleted (130 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions