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Craig > Random Facts and Figures > Flashcards

Random Facts and Figures Flashcards

1
Q

How many lengths of hard suction are carried on an appliance

A

2

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2
Q

How many groups of London Borough do the LFB use?

A

4

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3
Q

What is the maximum ammount of BA wearers at Stage 1 entry control?

A

6

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4
Q

How many lengths of hosereel are carried on the appliance?

A

8

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5
Q

How many lengths of hosereel hose are carried on the appliance

A

8

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6
Q

How many members are in the LFEPA?

A

17

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7
Q

What year was the fire and rescue services act created?

A

2004

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8
Q

How would the ECO record the fact that a fireground ‘A’ test has been completed?

A

[‘A’ test not recorded] in the remarks column of the BA board

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9
Q

What are the qualities of a good knot

A

1- Be easy to tie 2- Be easy to untie 3- Not damage the line 4- Carry out it’s function safely

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10
Q

How long must a acetylene cylinder be cooled for?

A

1 hour minimum

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11
Q

List the 12 Aide Memoires

A

1- Stage 1 ECO duties2- Stage 2 ECO duties3- BA main control Operative duties4- BA communications operative5- Distress to wearer procedure6- Cylinder procedure7- BTP oxygen BA sets8- Respirator Entry Control9- Respirator Decision Tool10- Manual Log On and Log Off11- not in use (working duration on ECB)12- BA Maintaining telemetry

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12
Q

How long is a personal line (not fully extended)

A

1.25m

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13
Q

How long can the LPP be operated for on a full tank of petrol?

A

1.5 hours

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14
Q

What is the British standard for a hydrant

A

1.7 bar pressure2000 lpm 65mm round thread anti clockwise opening

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15
Q

What is the maximum number of wearers available to a ‘Stage 1’ entry control?

A

10 wearers

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16
Q

When pumping, if the bypass valve has been open, how much water is the appliance capable of pumping?

A

1000 litres per minute

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17
Q

When the bypass lever has been activated, how much water is the pump capable of pumping

A

1000 litres per minute

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18
Q

Safety Cordons - Safe Distance from a Suitcase sized IED.هت RVP distance at CBRN incident if a device has been activated/released.

A

100m

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19
Q

What is the diameter of the hard suction

A

100mm

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20
Q

Safety Cordons - Handheld Radio from IED

A

10m

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21
Q

Safety Cordons - Pylon - No Water.هت Hazard Zone around appliance if Ariel touches a power line.

A

10m

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22
Q

What is the theoretical maximum lift when lifting from open water?

A

10m

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23
Q

What is the flowrate of the ultimatic branch

A

115 litres per minute

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24
Q

What is the safety margin of an SDBA set

A

12 mins

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25
Q

What is the tank duration when using one hosereel?

A

12.2 minutes

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26
Q

What is the primers minimum pump speed?

A

1200rpm

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27
Q

What are the three steps of approaching CBRN (terrorist threat)

A

123PLUSStep 1-single casualty- approach using normal operating proceduresStep 2- two casualties -Approach with caution, consider all possibilities, do not discount anything, report arrival and update to Brigade Control.Step 3- three casualties - DO NOT go to the scene. Go to predetermined RVP, await further instructions

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28
Q

What is the length and weight of the 135

A

13.5 m100 kg

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29
Q

What are the flow settings for the RB101

A

130 230 300 400 litres per minute

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30
Q

What is the weight of the roof ladder?

A

14 kg

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31
Q

How many litres of water can be held in the appliance tank?

A

1400 litres

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32
Q

What is the weight of the roof ladder?

A

14kg

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33
Q

How long is a short line?

A

15.5m

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34
Q

What are the available flowrates when using the akron ground monitor with the deluge nozzle?

A

1750 litres per minute

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35
Q

All buildings over —- are required to make provisions for firefighting

A

18 metres

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36
Q

What is the length of hosereel hose?

A

18.3m per length

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37
Q

What is the internal diameter of the hosereel hose?

A

19mm

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38
Q

Safety Cordons - Emergency rescue from Live track (casualty must be clear)

A

1m

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39
Q

What are the LFB’s three aims outlined in the London Safety Plan

A

1-Prevention and protection 2- Response and resilience 3- People and resources

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40
Q

When tying knots, name the 4 terms used to describe the different parts of the lines

A

1-Standing part 2-Bight 3-Tail 4-Running end

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41
Q

How many guideline tallies are carried on a pump ladder?

A

2 (A and B)

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42
Q

What is the length of the hard suction hose

A

2.44 m

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43
Q

What is the length of the hard suction hose?

A

2.44 m

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44
Q

What is the emergency exposure limit in the space of 12 months

A

20 mSv (millisieverts) per year with an additional dose of 13 mSv (millisieverts) for women

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45
Q

How many litres per minute do two hosereels use?

A

200 litres per minute

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46
Q

At what temperature does an aluminium cylinder lose its tensile strength?

A

200-250 degrees

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47
Q

Safety Cordons - Initial Safety Zone for Cylinders

A

200m

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48
Q

Safety Cordons - Safe Distance from a Car sized IED

A

200m

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49
Q

What is the distance that a steel cylinder may be thrown upon failure?

A

200m

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50
Q

Safety Cordons - Pylon - Jets or Training with No Water

A

20m

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51
Q

What is the weight of the three piece short extension ladder?

A

21kg

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52
Q

What is the length and weight of a 70 mm hose?

A

23 metres15kg

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53
Q

What is the length and weight of the 70mm hose?

A

23 metres15kg

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54
Q

What is the length and weight of a 45mm hose?

A

23metres9kg

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55
Q

What is the length and weight of the 45mm hose?

A

23metres9kg

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56
Q

What is the likely voltage supplied to domestic properties?

A

240v

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57
Q

Safety Cordons - Hazmat & Asbestos Hot Zone

A

25m

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58
Q

Safety Cordons - Inner Cylinder Cordon - Full PPE+BA

A

25m

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59
Q

Safety Cordons - Min. RTA Safety Cordon on a Duel Carriageway

A

25m

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60
Q

What is the minimum distance between the hot zone and the cold/decontamination zone?

A

25m

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61
Q

Supplied from the water tank, the pump can deliver……..lpm?

A

2700 litres per minute

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62
Q

When water is being supplied from the appliance (with supply augmented from a hydrant), how much water can the pump deliver?

A

2700 litres per minute

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63
Q

Safety Cordons - DLR Safe Distance from Trackهت

A

2m

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64
Q

On a water relay, what is the maximum distance from the water source to the first appliance

A

3 lengths of hose

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65
Q

What are the three safety considerations when working on a ladder

A

3 points of contact1 person per extension at a time (unless carrying out a rescue)Dont over reach

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66
Q

What is the length and weight of the 90mm hose?

A

30 metres23.5kg

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67
Q

At what temperature does a steel cylinder lose its tensile strength?

A

300 degrees

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68
Q

How long is a long line?

A

30m

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69
Q

Safety Cordons - Pylon - Ground Monitor

A

30m

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70
Q

What is the working duration of an SDBA set

A

31 mins

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71
Q

What is the maximum voltage that Electrical gloves are resistant to?

A

3300 volts

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72
Q

What are the three ladder pitch checks

A

3-5 rounds above the sill 50mm clear above or below the sill150mm (or less) from the sill

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73
Q

What is the optimum pressure for the hosereel

A

35-40 bar

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74
Q

Safety Cordons - Distance from unsafe Water, Waters edge or bank

A

3m

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75
Q

Safety Cordons - Electrified Track

A

3m

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76
Q

Safety Cordons - Inner RTA cordon, National Rail Safe Distance from Track

A

3m

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77
Q

What is the optimum bar pressure of the LPP?

A

4 bar optimum

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78
Q

With a full tank of fuel in the appliance, how long can the pump operate?

A

4 hours

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79
Q

How many times should the CAP be repeated in an hour?

A

4 times

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80
Q

How long is the roof ladder?

A

4.6 metres

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81
Q

What is the length of the roof ladder (when unfolded)

A

4.6 metres

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82
Q

What is the weight and length of the 9 m ladder?

A

40.6 kg9m

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83
Q

Safety Cordons - Safe Distance from a HGV or Unknown sized IED.هت RVP distance at CBRN incident if a device has not been activated/released.

A

400m

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84
Q

What is the likely voltage supplied to commercial properties?

A

415v

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85
Q

What is the total duration of an SDBA set

A

43 mins (12mins are not to be used)

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86
Q

What section of the FRSA 2004 gives FF the power to do anything reasonably necessary in an emergency?

A

44(1)

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87
Q

Safety Cordons - +/- zone with Survey Meter reading

A

45m

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88
Q

Safety Cordons - Safe Distance from Ionising Radiation

A

45m

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89
Q

What are the sizes of soft suction hose available

A

45mm 70mm 90mm 150mm

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90
Q

If a BA team has been committed, what is the minimum weight of attack?

A

45mm hose, supplied for the rising main on the floor below

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91
Q

What sizes of soft suction are available?

A

45mm70mm90mm150mm

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92
Q

How long is a pouch line?

A

4m

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93
Q

Safety Cordons - Microwave or Phone Transmitters

A

4m

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94
Q

Following failure of the ECB, what is the maximum time recommended before the consideration of initiating emergency procedures should be considered?

A

5 mins

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95
Q

When charged, how much should a hose stretch, both in length and diameter?

A

5% in length10% in diameter

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96
Q

Safety Cordons - Government Explosives

A

500m

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97
Q

Safety Cordons - Min. RTA Safety Cordon on a Motorway.هت Safety Zone around Recycling Incidents.

A

50m

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98
Q

What is the throw of the projet 2 branch?

A

57 metres

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99
Q

Safety Cordons - Ground clearance from Pylons or Overhead cables

A

5-7m

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100
Q

Safety Cordons - Outer RTA cordon

A

5m

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101
Q

What are the lengths of the 150mm hose?

A

5m 10m 50m

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102
Q

How long is a personal line, when fully extended

A

6 metres.

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103
Q

What is the tank duration when using an RB101 branch at 230l/minute?

A

6 minutes

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104
Q

How long is a guideline?

A

60 metres

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105
Q

What is the length of the three piece short extension ladder?

A

6m

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106
Q

What is the length and weight of a short extension ladder?

A

6m21kg

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107
Q

What is the optimum pressure of the ground monitor?

A

7 bar

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108
Q

What is the tank duration when using two hosereels?

A

7 minutes

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109
Q

At what pressure does the pneumatic low pressure warning whistle operate at?

A

74 bar +/- 5 bar

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110
Q

At which pressure does the electronic low pressure warning device actuate at?

A

84 bar

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111
Q

What is the practical maximum lift when lifting from open water?

A

8m

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112
Q

Safety Cordons - Police Sign on Motorways

A

900m

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113
Q

What are the available flowrates when using the akron ground monitor with the foam nozzle?

A

950 litres per minute

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114
Q

What are the available flowrates when using the akron ground monitor with the variable nozzle?

A

950 litres per minute1400 litres per minute1900 litres per minute

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115
Q

When must a BA emergency team be committed?

A

A BA wearer has not returned to the ECP by their lowest time of whistle (either telemetry or manually calculated, whicheber first)Actuation of ADSU/DSUA BA wearer is in distress

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116
Q

When lifting from open water, what could a decrease in pressure indicate?

A

A blocked strainerInternal collapse of hard suctionWater level lowering

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117
Q

What is a primer?

A

A device that is capable of pumping air

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118
Q

Define a primer

A

A device which can pump air

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119
Q

When lifting from open water, what would a compound gauge of -0.2 indicate?

A

A lift of 2 metres

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120
Q

When lifting from open water, what would a compuond reading of -0.2 indicate?

A

A lift of 2 metres

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121
Q

What is a line?

A

A line is a rope that has been cut to a specific length for a specific purpose.

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122
Q

How must a long line be stored?

A

A long line must be stored in a duraskin bag.

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123
Q

What is a pump?

A

A machine, driven by external power, that gives energy to fluid

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124
Q

What component of the pump increases the pressure up to 4 times more than a low pressure impellar?

A

A Peripheral impellar. This allows the hosereels to work at high pressure (35-40 bar)

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125
Q

Name the 4 fire classifications and which extinguishing media is best to use.

A

A-Carbonaceous B-Liquids and Liquifiable Solids C-Gasses and Liquified Gasses D- Metals

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126
Q

Stop Code 4

A

AFA - Where an alarm has actuated and a person or system has requested our attendance, but no fire was found.هت Call Points are not AFA?s ? treat as 5 or 6.

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127
Q

What criteria must be met for a BA team to re-enter the risk area?

A

All BA team members must be fit for re-entryMinimum pressure of 190 bar (higher pressures will still be recorded as 190 bar)Must be a dedicated task, with a 15 minute time of warning entered into the ‘location’ column. ‘Re-entry’ entered into the remarks column.

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128
Q

All buildings over — require wet systems.As of 2006, —

A

All buildings over 60 m require wet systems.As of 2006, 50m

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129
Q

How would you know the tank is full?

A

All four lights on the water tank indicator are illuminated

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130
Q

What are the different types of radiation

A

Alpha Beta Gamma X-ray

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131
Q

What are the different types of radiation

A

AlphaBetaGammaX-ray

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132
Q

Define Combustion

A

An irreversible chemical reaction producing heat and light

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133
Q

What can a line be secured to?

A

An object, another line, part of itself

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134
Q

What is Water Rescue Level 2?

A

Anything above level 1, requires FRU with SRT (Swift water Rescue Technician) attribute.

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135
Q

Status Code 0

A

Appliance not Available

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136
Q

Without pre-planning information, where should the bridgehead be established?

A

At least two floors below the fire

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137
Q

Status Code 35

A

Available at other Standby Location

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138
Q

Status Code 25

A

Available at Standby Location

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139
Q

Status Code 8

A

Available at Station by Telephone Only

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140
Q

Status Code 1

A

Available at Station via Teleprinter

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141
Q

What is the effective working pressure of the projet 2 branch?

A

Between 3.5 and 7 bar pressure

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142
Q

At what voltage is low voltage classed?

A

Between 50 and 1000v AC

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143
Q

A sudden decrease in the low pressure gauge could indicate….

A

Branches being openedBurst delivery hoseEmpty appliance tank

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144
Q

What would cause a decrease in low pressure when working on the pump

A

branches being opened-burst delivery hose-the appliance tank is empty

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145
Q

A sudden increase in the low pressure gauge could indicate….

A

Branches being shut downKinks in the delivery hoseVehicles or debris on delivery hose

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146
Q

How would an ECO withdraw a BA team?

A

By pressing the ‘emergency selective’ button.Or the ‘Evacuate-all’ button

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147
Q

How would an ECO be identified?

A

By their yellow and black chequered ECO tabbard

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148
Q

Where would you typically find asbestos

A

Ceiling and floor tilesInsulation for boilersSpray insulationBrake liningsGaskets in heating installationsCement asbestos in sheeting

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149
Q

What are the two types of pump

A

Centrifugal (pumps fluid) and positive displacement (pumps air)

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150
Q

What should the pump operator do when overrunning the supply

A

Check for a more efficient water sourceLower flow settingsPotentially shut down branchesReduce engine revsConsider withdrawing crew

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151
Q

Stop Code 3

A

Chimney Fire - In an occupied building where the fire remains within the confines of the chimney.

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152
Q

Undivided stairwells have the potential to act like….

A

Chimneys

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153
Q

How does asbestos affect the body?

A

Chronic, Lung disease

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154
Q

Before removing a BA tally from the ECB, what must BA wearers do?

A

Close down and purge their sets

155
Q

What would an increase on the high pressure gauge indicate?

A

Closed branch/branches

156
Q

When pumping, what could a sudden increase in pressure indicate?

A

Closed branchKink in branchVehicle or debris on delivery hose

157
Q

On the low pressure gauge, what would an increase in pressure indicate?

A

Closed branchReduced flow setting at the branchBlockage to delivery hose (likely debris or vehicle)

158
Q

What type of cylinder should be allowed to burn off before extinguishing the fire?

A

Composite cylinders.This prevents a build up of unburnt gasses.

159
Q

When should the compound gauge be monitored

A

Constantly during pumping operations

160
Q

List the pollution control heirarchy

A

Contain:At sourceClose to the sourceOn the surfaceIn the drainage systemOn or in the water course

161
Q

Name the three ways fire/heat energy can spread to cooler regions?

A

Convection, Conduction, Radiation

162
Q

What is the minimum role of a stage two BA Entry Control Officer?

A

Crew Manager

163
Q

When is an A test performed?

A

Cylinder changeWhen nominated to test a spareWhen taking over a setFollowing respirator use

164
Q

What are the signs of a CBRN incident?

A

Dead or distressed people or animalsMultiple examples of skin or breathing irritation Presence of hazardous materialsUnexplained smells or tasteUnexplained oily droplets on waterWithered plantlife on exterior of building or incident.

165
Q

What delivery gives less water

A

Delivery 1 gives 100 litres per minute less than 2 and 3 due to the internal plumbing

166
Q

Describe the causes of deterioration

A

Deterioration can be caused by mechanical or chemical effects.

167
Q

What is the single most important factor affecting pressure loss

A

Diameter of hose

168
Q

What is the single most important factor affecting pressure loss?

A

Diameter of hose

169
Q

How should water supply the ground monitor?

A

Directly with a 70mm hose

170
Q

When would a bridgehead position be identified?

A

During a pre-planning visit

171
Q

What hazards must be considered when dealing with fires involving solar panels?

A

ElectrocutionHazardous chemicalsThe weight of solar panelsFalling objects

172
Q

What must be established at Stage 2 entry control?

A

Emergency and Relief teams

173
Q

What will the recorded call signs of the emergency teams be?

A

Emergency team 1, emergency team 2 etc.

174
Q

What items of equipment should be taken to the bridgehead

A

-Enough 45mm hose-two branches-one BA entry control board-two BA sets-IEC pack-Long line in bag-breaking in gear-TIC-Access keys/codesFloor plans if available

175
Q

What are the ECO’s routine duties on station?

A

Ensure that correct equipment is availableEnsure that the ECB is fully testedMake sure that the second set bags are available on Fire Rescue Units, Command Units and Operational Support UnitsReport any defects to the watch manager immediately

176
Q

What equipment should the nominated ECO ensure is available?

A

Entry Control BoardECO tabbardChinagraph pencilAcme whistleGuideline tallys (A and B)Branch guideline tallys (1-4 where applicable)Aide memoiresGuidelinesIEC packHandheld radio for ECO or comms operatorECB tripod and bracket

177
Q

Duty of care - Main Rivers

A

Environment Agency

178
Q

Stop Code 5

A

False Alarm - Good Intent.

179
Q

Stop Code 6

A

False Alarm - Malicious.

180
Q

Tue or false. If radiation is suspected, use a jet.

A

False, spray or fog

181
Q

What is Water Rescue Level 1?

A

FF?s working within 3m of an unprotected waters edge, or in slow moving water no deeper than their fire boots.

182
Q

Describe how ropes are constructed.

A

Fibres are twisted into yarns, yarns are twisted into strands, strands are twisted into ropes.

183
Q

Name the piece of legislation that governs the LFB

A

Fire and rescue services act 2004

184
Q

What basic facilities will be found in high rise buildings over 18m?

A

Firefighting shaftsDry/wet rising mainsA fire lift

185
Q

What type of knot is used for tying two lines of equal thickness?

A

Fisherman’s

186
Q

On a water relay, what is the maximum distance between pumps when using 90mm hose?

A

Flat ground - 15 lengths10% gradient - 12 lengths

187
Q

On a water relay, what is the maximum distance between pumps when using 70mm hose?

A

Flat ground - 8 lengths10% gradient - 6 lengths

188
Q

What is Water Rescue Level 3?

A

Flood Incidents requiring the FRK (Flood Response Kit), Min. of two FRU SRT?s work with FF?s teams.

189
Q

Name the three components of the triangle of fire.هت

A

Fuel, Energy, Oxygen

190
Q

How is the LFB funded?

A

Funded by the GLA from the council tax paid by residents and an annual grant from central government

191
Q

At what voltage is high voltage classed?

A

Greater than 1000v AC

192
Q

What are the physical effects of heat stress

A

Heat crampsExhaustionDehydrationFatigueNauseaConfusion

193
Q

Duty of care - Motorway or Trunk Road

A

Highways Agency

194
Q

Who would provide additional help or support at an incident

A

HMEPOFRUScientific advice serviceCBRN team

195
Q

Where is radiation found?

A

HospitalsConstruction sitesResearch and education establishmentsLaboratoriesNaval vesselsMarked vehicles

196
Q

What would you do if you suspect any biological hazard?

A

IC assertions whether there is a biohazard involved, checks MDT for premises information.‰غدBIOHAZARD SUSPECTED‰غ‌ message to control.BA and GTSRestrict accessMinimum personnelUnprotected personnel and appliances to be upwind of the incident.Consult HMEPOAvoid using large quantities of water

197
Q

Where should an ECP be situated?

A

In a safe position, as near to the scenes of operations as possible.In safe air (weather conditions, wind direction)In a position that it should not need repositioning should the incident deteriorate

198
Q

Status Code 3

A

In Attendance at an Incident

199
Q

Where would you find the high pressure gauge?

A

In the middle of the three gauges

200
Q

How can exposure to HAZMATs occur?

A

InhalationIngestionChemical or heat burnsAbsorptionInjection

201
Q

Describe the EPD alarm sound

A

Initial dose alarm: intermittent, double fast toneDose constraint alarm: continuous slow dual tone for 2minutes, followed by a beep every 30 secondsExceptional dose alarm: continuous single tone for 10 minutes, followed by a beep every 30 seconds

202
Q

Acetylene cylinders which have been heated to 300 degrees and have not failed are at risk of ……….

A

Internal combustion

203
Q

What are the factors that affect pressure loss

A

Internal diameter of hose(The smaller the internal diameter of the hose the greater the amount of frictional loss.)Outputهت flow of water(The higher the required output, the higher the amount of frictional loss.)Height in metres above or below the water source (Working above the water source will result in a pressure loss. Working below the water source will result in a pressure gain.)Length of hoseline

204
Q

What are the factors that affect pressure loss

A

Internal diameter of hoseFlow of waterHeight above or below the water sourceLength of hoseline

205
Q

What are the features of the pump?

A

It can pump high volumes of water at low pressure.It can pump low volumes of water it high pressureIt can pump both high and low pressures of water simultaneously

206
Q

What does the volute do?

A

It converts the kinetic energy (from the impellar) into pressure energy

207
Q

What does the power take off do

A

It diverts power from the road wheels to aa seperatr drive shaft (the pump)

208
Q

On the compound gauge, what does the negative pressure measure?

A

It indicates the lift perametres between the surface of the water and the eye of the pump

209
Q

What does the compound gauge indicate?

A

It records both positive and negative pressures. A vacuum reading (negative pressure) when lifting from open water

210
Q

What does the impellar do?

A

It’s a rotating component that imparts kinetic energy to fluid

211
Q

What does the pneumonic METHANE stand for?

A

Its to aide correct messages to control.Major incident? (Standby or declare)Exact locationType of incidentHazardsAccess and egressNumber of casualtiesEmergency services.

212
Q

What unit is temperature measured in?

213
Q

Where would you find Biohazards

A

LaboratoriesVeterinary and pharmaceutical researchMedical schoolsCommercial premisesFood research establishmentsHospitals

214
Q

What are the 4 requirements of an emergency team?

A

Led by a minimum of crew managerAt least as large as the largest BA teamWith the saame level of protection as committed BA teamsOne second set for every two BA wearers in the emergency teamTeam leader equipped with Radio comms.

215
Q

When lifting from open water, what would cause an increase in pressure on the compound gauge

A

-Level of supply dropped (tidal or water source used up).-Suction strainer blocked.-Branches opened.-Burst delivery hose.

216
Q

What would cause a decrease in the vacuum reading on the compound gauge

A

Level of supply raised (tidal).-Branches shut down.-Slight air leak on suction side of pump.

217
Q

Describe how to clean a line.

A

lines must be cleaned with washing up liquid and warm water.

218
Q

Duty of care - Public Path, Land or Road

A

Local Authority

219
Q

What does LFEPA stand for?

A

London Fire and Emergency Planning Authority

220
Q

What are the visible symptoms of heat stroke?

A

Loss of consciousnessLack of sweatingConvulsions

221
Q

When lifting from open water, what could an increase in pressure indicate?

A

Loss of liftA leak in hard suctionWater level increasing (tidal)

222
Q

What colour is an acetylene cylinder?

223
Q

Status Code 6

A

Mobile and Available

224
Q

Status Code 9

A

Mobile Between Incidents (Batch Mobilising Only)

225
Q

Status Code 2

A

Mobile to an Incident

226
Q

Status Code 15

A

Mobile to Standby

227
Q

When is second stage ECB used?

A

More than 1 entry control pointThe incident is likely to be protractedEmergency team committedUse of guidelinesEDBARelief teams required at larger incidentsMore than 1 ECBWhen GTS workers are out of sightTelemetry leaky feederBasement fires

228
Q

If the pump is supplying an aeriel appliance, can it supply water to another branch?

A

No, it must only supply the aeriel appliance.

229
Q

What are the factors that prevent water being lifted to 10metres

A

OFPITAOvercoming IntertiaFrictional LossPump entry lossImperfect VacuumTemperatureAtmospheric pressure

230
Q

When is hose tested?

A

On acceptanceAfter useAnnually

231
Q

Where might the location of premises storing cylinders be found?

A

On the ORD, available on the MDT

232
Q

What is a high rise building?

A

One that contains floors at a height where external firefighting and operations might not be feasible

233
Q

What are the two types of water relay

A

Open and closed

234
Q

What would a decrease in pressure on the high pressure gauge indicate?

A

Open branch/branches

235
Q

On the low pressure gauge, what would a decrease in pressure indicate?

A

Open branchesBurst branch length

236
Q

What is the operating pressure of the RB101

A

Optimum 6 bar, but works between 3 and 6

237
Q

What are the reasons why we cannot create a perfect vacuum

A

Overcoming inertiaFrictional pressurePump entry lossImperfect vacuumTemperatureAtmospheric pressure

238
Q

What type of knot is used to prevent a line unreeving through a block?

239
Q

Duty of care - Private Premises or Land

A

Owner, Occupier

240
Q

Duty of care - River Thames

A

PLA, or Thames Water

241
Q

What are the signs of cylinder damage?

A

Plastic labels or rings meltedBlackened or blistered paintworkSupply hose pipes damaged

242
Q

What is the respiratory protective equipment number?

A

Policy 466

243
Q

Stop Code 1

A

Primary Fire - 1 Hosereel or Less used, Insurable Loss and no Informative or Assistance message sent.

244
Q

What can indicate the first signs of radiation?

A

Prior knowledge or intelligenceRadioactivity warning placardCaller stating that radioactive materials are presentEPD (electronic personal dosemeter) actuatingSurvey meter showing a dose rate above backgroundTerrorist or malicious attacks

245
Q

When must an ECO ensure that BA teams return to the ECP by?

A

Prior to the teams first time of whistle

246
Q

Define pyrolysis

A

Pyrolysis is the decomposition of a substance by heatهت

247
Q

How does the body dissipate heat?

A

RadiationConvectionEvaporationVaporisation

248
Q

What are the 4 methods of applying hi-ex foam

A

RaindownIndirectRolling-onGentle

249
Q

What branches are carried on a frontline appliance?

A

RB101Projet 2Ultimatic hosereel branch

250
Q

What are the colour codes of the LFB watch teams?

A

Red, White, Blue, Green.

251
Q

If a BA signal cannot be achieved on the ECB, via telemetry or manually, what must the BA wearer do?

A

Replace their set before committal

252
Q

If the ECB fails, what actions should the ECO take?

A

Request a second ECB (they must not leave the initial ECB)Maintain close contact with BA wearers via radioThe time failed must be reported to the IC and annotated on the ECB

253
Q

What are the three steps for approaching a CBRN incident?

A

Response - first 3 hoursRecovery - following 3 hoursRestoration - on conclusion of the incident

254
Q

What are the safety precautions when using a ladder

A

Risk assess potential access points before pitching the ladder.-Make sure the ladder is long enough for the task.-Make sure the ladder is placed on stable ground and pitched at a safe angle.-Be aware of overhead obstructions and electricity cables.-Make sure the head of the ladder is resting on a stable point and tie the head off when additional security is required.-Take care to avoid knocking the ladder when moving equipment or hose.

255
Q

List the possible examples of antisocial behaviour that may be encountered at a high rise incident

A

Rubbish in lobbies and staircases-Fire doors wedged open-Removed/broken lights-Vandalised rising mains-Razor blades or needles attached to buildingsBurning materials left in escape routes

256
Q

What two leak detection devices might be encountered in a hydrant?

A

Screw on or magnetic

257
Q

Status Code 7

A

Second Line Availability (changed via BC only)

258
Q

Stop Code 2

A

Secondary Fire - 1 Hosereel or Less, Uninsurable property

259
Q

What steps should the ECO undertake when setting up an ECP?

A

Set up the ECB and check the clockEnter the boad infoDon ECB tabbardSet up IEC packObtain a radio, switch to channel 6.

260
Q

What are the requirements of a hose?

A

Should be reliableShould be resistant (bursting, chemicals, kinking)Should not stretch excessivelyShould be light and easy to handleDurable and easy to repairSmooth surfaced internally to keep frictional loss to a minimumCapable of withstanding pressure changes

261
Q

What unit is radiation measured in?

A

Sieverts (Sv) HOWEVER, this unit is too large to accurately measure radiation for LFB practical use.We measure in millisieverts and microsieverts

262
Q

State the three states of matter in which fuel can exist.هت

A

Solid, Liquid, Gas

263
Q

Stop Code 7

A

Special Service (Inc. Level 1 Hazmat unless Messages sent or Rescues performed)

264
Q

STEP 123+ - What is step 1?

A

Step 1 = One casualty with no obvious reason - approach with caution using normal procedures.

265
Q

STEP 123+ - What is step 2?

A

Step 2 = Two casualties with no obvious reason ? Consider all options, do no discount anything, report arrival and give update to control.

266
Q

STEP 123+ - What is step 3?

A

Step 3 = Three or more casualties with no obvious reason ? Don?t approach! IC risk assess, park a safe distance, assess scene and gather info, priority message ?this is a confirmed level 3 hazmat, IOR implemented? and/or if you need Mass Decontaminate ?Implement Mass Decontamination Procedure?

267
Q

What is a controlled burn?

A

The action of not applying firefighting media, to prevent water pollution and reduce air pollution.

268
Q

What is the name of the term used to describe fire breaking out of glass and spreading to another compartment or floor?

A

The Coanda effect

269
Q

What is in ‘the grey book’

A

The conditions of service for operational fire service staff.

270
Q

What information can be found on the EAC?

A

The EAC code (Emergency Action Code) notifies emergency services of the initial actions to be taken at an incident involving hazardous materials.It tells you 1-what extinguishing media to use2-what level of PPE3-whether to contain or dilute the run off 4-whether it is a public safety hazard or not.

271
Q

Who is to attach main guideline tallies?

272
Q

Which authority finances the LFB?

A

The Greater London Authority

273
Q

What must be applied before engaging the PTO?

A

The handbrake and air dump

274
Q

What might cause metabolic heat stress

A

The high physical workload and intense conditions encountered in a high rise building

275
Q

How does temperature affect open water lifting?

A

The higher the temperature, the more difficult it is to lift

276
Q

If asbestos is suspected, what level of protection is required?

A

The IC will need to carry out a risk assessment to determine the level of PPE.In non-fire situations, gas tight suits should be considered.

277
Q

If there is a nominated BA Communications operator, what channel should the ECO’s radio be switched to?

A

The incident command channel (channel 1)

278
Q

Who maintains hydrants?

A

The local water authority

279
Q

What information should the ECO enter onto the top of the ECB

A

The location of the enrty control pointECP callsignThe role and name of the ECO

280
Q

What is the third gauge on the pump (right hand side)?

A

The low pressure gauge

281
Q

Who sets the budget for LFB?

282
Q

Define risk

A

The measure of LIKLIHOOD that the harm from a particular hazard will occur, and the possible SEVERITY of the harm

283
Q

What is the most reliable way of identifying an acetylene cylinder?

A

The paper label attached to the collar of the cylinder.It will be painted maroon.It MAY have a reflective strip.

284
Q

What is the maximum output of the pump?

A

The pump can produce 4000 litres per minute, however due to the internal plumbing, this is limited to 2700 litres per minute

285
Q

What information is found on a hydrant plate?

A

The size of a hydrantThe distance to the hydrantWhether it is a single or double hydrant

286
Q

When decontaminating, what would HMEPO need to consider?

A

The type and scale of the incidentWeather and wind directionDrainageSlope of groundEase of access for oncoming vehicles

287
Q

What cylinder information should be gathered?

A

The type Its contentsLocationAmount of cylinders involved

288
Q

What cylinder information should be gathered?

A

The type, contents, Location, Amount of cylinders involved

289
Q

What is the time distance shielding?

A

These are methods of controlling the amount of exposure to radiation.MINIMUM TIME- MAXIMUM DISTANCE - MAXIMUM SHIELDING-The less time exposed to a radioactive source, the smaller the dose will be.-The intensity of radiation reduces the further away you are from the source.-Shielding is the prevention of penetration by using barriers (such as lead, steel and concrete).

290
Q

What is auto ignition temperature?

A

This is the lowest temperature at which a fuel will ignite and continue to burn without the need for an ignition source to be introduced.هت

291
Q

What is the flash point?

A

This is the lowest temperature at which sufficient vapours are being produced for a momentary flash to occur when an ignition source is introduced to the fuel.هت

292
Q

What is the fire point?

A

This is the lowest temperature at which sufficient vapours are being produced for the fuel to ignite and continue to burn once an ignition source is introduced.هت

293
Q

What are the safety precautions when working on a ladder

A

Three points of contact should always Be maintained-Do not overreach, Make sure the centre of the body always stays within the strings of the ladder.-Do not work on the top Three rounds.-Do not overload the ladder. Unless assisting a casualty down the ladder, a maximum of one person per extension is allowed.

294
Q

What is a 90mm hosereel adaptor used for?

A

To attach a storz coupling to an instantaneous coupling

295
Q

Stop Code 8

A

To indicate an Incident within Batch Mobilising has been resolved.

296
Q

What is the principle aim of the LFB?

A

To make London the safest global city

297
Q

What are the three purposes of appliance inventory

A

To make sure that all equipment is accounted forThat all equipment is in working orderThat all equipment is stowed correctly

298
Q

Why should you hand be on top of the branch when operating

A

To make sure that any water that drains from the branch does not dampen gloves, which when exposed to heat could cause steam burnsTo control jet reaction

299
Q

What are the LFB generic key roles of a CBRN event

A

To save lifeTo prevent/fight fireManage hazardous materials and protect the environmentEnsure the health and safety of all first respondersSafety management within the inner cordon

300
Q

What is a clove hitch used for?

A

To secure a line to a round object and pull at a right angle.هت

301
Q

Duty of care - GLA Road Network

A

Transport for London

302
Q

How could the ECO maximise the efficiency of the telemetry signal?

A

Use the tripod to propogate the signalSite the ECB with as few obstructions to BA wearers as possibleSite the ECB with its back towards BA wearersEnsure ECB handles are not obstructed or held onto during use (the handle houses the aerial)

303
Q

What material can a line be made from?هت

A

Vegtable fibres, Synthetic fibres, metal

304
Q

What is the best extinguishing media to combat carbonaceous solids?

305
Q

When would you wet decontaminate?

A

When a firefighter/material/casualty has been subjected to caustic or biohazards or radiological hazards/material

306
Q

When would you wet decontaminate?

A

When a firefighter/material/casualty has been subjected toهت caustic or biohazards or radiological hazards/material

307
Q

What is a shock load?

A

When a load is applied to a line suddenly.

308
Q

When might an emergency team be committed

A

When anther DSU or ADSU alarm is sounded.When a team has not exited at their time of whistle.When informed that a team member is in distress.

309
Q

When would you use a 90mm adaptor

A

When connecting a storz coupling to an instantaneous coupling

310
Q

When might you need to lift from open water?

A

When the hydrant supply is inefficientWhen an area is flooded and its necessary to remove water

311
Q

How would you know that the auto fill valve is fully open?

A

When three lights (or fewer) are illuminated on the flow meter

312
Q

When there are indications of cylinders involved in an incident, where should appliances park?

A

Where it would be protected should a cylinder fail

313
Q

When is a hydrant tested?

A

Yearly visual checkEvery 4 years tested manuallyBetween April and October

314
Q

Can EDBA and SDBA both be entered onto the same Entry Control Board?

A

Yes, but all teams members musty be equipped with the same level of BA

315
Q

A line must be placed in a bag haphazardly. True or false?

316
Q

At a railway incident all staff wearing high visibility clot

A

-Lookouts shoud be placed either side of the incident.-Evacuation routed should be determined.-Minimum staff and equipment should be deployed.-Firefighters hsould not enter tunnels until it is confirmed that trains have been stopped.-Avoid stepping on con

317
Q

List the contents of a LFB box at LUL stations

A

-Two sets of station plans-Communication status indicator (leeky feeder)-Key to intervention points

318
Q

A risk of falling from heights exists when dealing with any

A

-the risk of electrocution-the risk of entrapment-Exposure to oil and grease-Exposure to other hazardous substances-Restricted working spaces-Distressed, agitated or aggressive members of the public

319
Q

In relation to fire investigation, define the term evidence

A

A means of providing an unknown or undisputed fact

320
Q

Where an individual BA wearer becomes entangled, the wearer

A

-Activate manual DSU-Attempt to cut themselves free-Stay still-Attempt to locate where the entanglement is

321
Q

What purpose does the inner mask serve on a BA face mask?

A

It prevents misting

322
Q

If any team member has an uncontrolled loss of air then the

A

-If a member becomes injured or sick-If a member becomes disorientated or confused-If there is a loss of telemetry and comms-If the Evacuation button is pressed by the ECO-If the DSU is activated-If the whistle is actuating

323
Q

List three types of properties that are exempt from the powe

A

Crown PropertiesNaval Properties/ShipsForiegn Embassies

324
Q

The first two steps of an operational risk assessment are to

325
Q

How would self ventilation occur at a fire?

A

If wondows breakThe collapse of the structure

326
Q

If at any point conditions within a fire compartment ccannot

A

Compromised structural intergrity.Inability to control the temperature in the over-pressure.Rising temperatures.Decrease in the neutral plane

327
Q

What are the four phases of fire progression?

A

Early StagesFlashoverFully developedDecay

328
Q

When gas cooling, what should the initial flow setting be on

329
Q

During pumping operations, the pump operator should continua

A

Ensure that the pump is workingMake sure that they are not overrunning the supplyMake sure that the branches are working at the correct pressure

330
Q

The Godiva worl series pump is capable of producing ______litres per minute

A

The Godiva worl series pump is capable of producing 4000 litres per minute. This outout is limited to 2700 when working via the appliance tank.

331
Q

If the pump is supplying an RB101 set to 400lpm, through one

A

8 bar or 9 bar- Check

332
Q

When securing a delivery hose aloft, haw far below the sill

A

0.5 metres

333
Q

When pump operating from an open water supply, state three r

A

Closed branchkink in hosevehicle on hosewater level increasedhole in hard suction

334
Q

If, after withdrawing and closing down, a BA team is require

A

Designated a specific taskMinimum of 190 barOnly for 15 minutesIf they feel fit and well

335
Q

List the three checks to be made on the LPP immediately befo

A

Priming valve openDelivery closedDrain valve closed

336
Q

When an appliance is being reversed, where should the attend

A

10m behind1 metre to the side

337
Q

List four safety considerations when working on a ladder

A

Don’t over reachDon’t work on the top three rounds3 points of contactDon’t overload the ladder

338
Q

The lowest temperature at which a fuel will ignite and conti

A

automatic ignition temperature.

339
Q

What are the five authority values that reflect what the LFB

A

FairnessIntegrityRespectServiceTrust

340
Q

What is the maximum flow rate of the Akron Mercure Ground Mo

A

1900 lpm7 bar

341
Q

If the autofill valve has failed int he closed position, how

A

0 on the flowmeter

342
Q

What tactics should be used by firefighting teams when in a

A

Stay low to avoid unnecessary exposure to heatCharges 45mm as minimum weight of attackUse pulse spraying techniques to cool and control the flammable gassesif possible, get below the heat barrier before applying any waterWarn other BA teams when starting to fight the fire

343
Q

List the hazards associated with firefighting in basements

A

Ventilation is difficult to achieveHeat barrierDifficult access and egressConfined working spance and high fire loadAbsence of reference pointsCommunications difficultiesThe presence of building utilities and servicesDifficult to locate the seat of the fire

344
Q

Why is it important to ensure a vehicles battery cannot re-c

A

To eliminate the ignition hazard riskTo prevent SRS devices deploying

345
Q

What are the three main types of glass encountered by LFB at

A

PerspexToughenedLaminated

346
Q

Where are the 5 point of stabilisation located on a vehicle

A

Three step blocks (two under the sill on the casualty’s side, one opposite.Two diagonal wheels chocked

347
Q

What does the red triangle with the exclamation mark on the

A

General system failure.Turn the TIC off, and leave it for 5 minutes. If it is still present, it must be taken off the run.

348
Q

What is a side impact protection system?

A

It consists of side impact bars, fitted to the front and rear doors to prevent intrusion into the vehicle. They are made from boron steel. The combi tool cannot cut them.

349
Q

What hazards might be present when working at an incident in

A

Electricity may not be turned off.Hazardous chemicals from damaged panels.the weight of panels might be too much for a weakened roof.Falling objects.

350
Q

what is the maximum voltage that electrical gloves protect a

351
Q

What is the minimum cooling period on an acetylene cylinder

352
Q

What should be done when a non-acetylene cylinder has been i

A

continue to cool the cylinder until it has returned to ambient temperature.Asses with a TICCheck for leaks

353
Q

What should be done with a cylinder that has been subject to

A

It should be checked to make sure that it isn’t leaking.

354
Q

In which direction would it be easier to lift a lightly load

355
Q

What is the radiation dose constraint per 12 months?

356
Q

what is the hazard associated with fluoroelastomers?

A

They produce hydrochloric acid which can give chemical burns

357
Q

What are the three blades that come with the sabre saw and w

A

Fine (Metals)Coarse (plastics, certain ceramics)Black (Timber, laminated windscreens)

358
Q

What three operations are included in phase 1 at an RTC?

A

Scene assessmentStabilisation and initial accessGlass Management

359
Q

What is the second firefighter used for when using cutting t

A

SafetyCasualty protection

360
Q

What is the lifting capacity of the air units, and what is t

A

12 tonnes175mm

361
Q

What are the 6 reasons why a casualty might need immediate r

A

Vehicle submerged in waterPolice directiveMedical requirementVehicle on fireWhen at rick from hazardous materialsWhen surrounded by toxic fumes

362
Q

What does the yellow cross on the disk cutter blade indicate

A

the disc should be changed

363
Q

What is the extension number to control?

364
Q

What is the priority number to control?

365
Q

What is the pneumonic for a primary survey when dealing with

A

DR.ABCDED- DangersR- ResponseA- AirwayB- BreathingC- CirculationD- DisabilityE- Expose

366
Q

What is the pneumonic for a secondary survey when dealing wi

A

SAMPLES- SignsA- AllergensM-

367
Q

What is a hazard?

A

Something with the potential to cause harm

368
Q

what is risk?

A

A measure of the LIKELIHOOD that the harm from a particular hazard will occur

369
Q

What is a risk assessment?

A

Identifying hazards, who is at risk, the likely severity of the risk and the control measures in place to reduce or remove the risk.

370
Q

What is risk vs benefit?

A

A comparison between the risk that the hazard wil cause harm against the benefits from a particular course of action

371
Q

List the 5 stages of the DRA

A

EvaluateSelectAssessAdditionalReassess

372
Q

What is ventilation?

A

The systematic removal of heated air, smoke and fire gases from a burning building and replacing them with cooler air.

373
Q

What is conduction?

A

The transfer of heat within a body or to another body by direct contact.

374
Q

What are the stages of fire development (4)?

A

Incipient, growth, fully developed fire, and decay.

375
Q

What are the reasons for Ventilation?

A

Life safety, fire attack/extinguishment, fire spread control, reduction of flashover potential, reduction of backdraft potential, and property conservation.

376
Q

What is natural Ventilation?

A

Techniques that use wind, convection currents, and other natural phenomena to ventilate without the use of mechanical devices.

377
Q

What is forced Ventilation?

A

It is accomplished mechanically with fans or blowers or hydraulically with with a fog stream.

378
Q

What is horizontal Ventilation?

A

The venting of heat, smoke and gasses through openings such as windows and doors.

379
Q

Why is vertical ventilation?

A

The opening of a roof to let heated gases and smoke to exit.

380
Q

What is saponification?

A

The chemical reaction between an acid and a base to form a salt.

381
Q

What is the fire triangle?

A

Oxygen, fuel and heat

382
Q

What is the fire tetrahedron?

A

Oxygen, fuel, heat, and a self-sustained chemical chain reaction.

383
Q

What is potential energy?

A

Stored energy possessed by an object that can be released in the future to perform work.

384
Q

What is kinetic energy?

A

The energy possessed by a moving object.

Craig (13 decks)

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