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Exam Flashcards

1
Q

List 5 general purpose knots

A

Over Hand knot
Half Hitch
Clove Hitch
Rolling Hitch
Bowline
Double sheet bend

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2
Q

List the 5 characteristics of a good knot

A

Easy to Tie
Easy to Recognize
Easy to Untie
Should not slip excessively
Should not reduce the strength of the rope

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3
Q

In relation to ladders, define:
- Raise
- Depress

A

Lift a ladder from a horizontal to vertical position

Lower a ladder against an object from a vertical position

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4
Q

In relation to ladders, define:
Extend
House

A

Extend the fly section of the ladder

Lower the extended fly section of a ladder

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5
Q

In relation to ladders, define:
Elevate
Lower

A

Return a ladder to the vertical position from a pitched position

Lower a ladder from the vertical position to a horizontal position

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6
Q

What is HPPCG?

A

Height - Can my ladder reach the intended target
Projection - Have I achieved a 4:1 height to depth ratio
Plumbing - Is the ladder perpendicular to the ground
Clearance - Do I have the minimum clearance above and behind
Ground Condition - Is the ground safe and stable to pitch the ladder

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7
Q

In relation to the Emergency Signal Unit, specify the blast sequence of the following:

1) Evacuation
2) Cease operations
3) Resume operations

A

1) 3 blasts of one second duration
2) 1 blast of 3 seconds duration
3) 1 blast of 3 second duration followed by 1 blast of one second duration

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8
Q

What does HOTS represent?

A

Wearing BA in hazardous atmospheres such as:

High air temperatures
Oxygen deficient
Toxic atmospheres
Smoke concentration

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9
Q

What does BLEVE stand for?

A

Boiling
Liquid
Expanding
Vapour
Explosion

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10
Q

What is the expansion ratio of LPG (Propane)?

A

270:1

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11
Q

List and define four Fire service ‘pro words’

A

Affirmative - Yes/ Correct
Negative - No / incorrect
Roger - I understand
Say again - please repeat the last transmission
Correction - I have made an error in my last transmission

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12
Q

Spell out the phonetically alphabet

A

Alpha, bravo, Charlee, Delta, echo, foxtrot, golf, hotel, India, Juliet, kilo, Lima, Mike, November, Oscar, Papa, Quebec, Romeo, Sierra, tango, uniform, Victor, whiskey, x-ray, Yankee, Zulu

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13
Q

True or False:
Suction hose is built to withstand external pressure

A

True

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14
Q

True or False:
Delivery hose is built to withstand external pressure

A

False

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15
Q

Label the (Div A) Stand Pipe

A

Head piece
65mm storz blank cap
Shipping handles
Male thread
Wing nut
Neoprene washer
Operating handle
Spindle
65mm storz coupling
Top boss
65mm alloy diameter barrel
Bottom boss
Collar
Cup valve

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16
Q

Give the following info for the MKV Pumper:
Pump type -
Rated water capacity -
Rated Foam capacity at 3% -
Rated Foam capacity at 6% -

A

Pump type - Darley 1000 series mid mounted, single stage centrifugal pump w/ additional high pressure 2nd stage

Rated water capacity - 3800 L/m at 1000kpa @ 3m lift

Rated Foam capacity at 3% - 3800 L/m at 1000kpa

Rated Foam capacity at 6% - 2650 L/m at 1000kpa

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17
Q

Identify the 5 Friction loss laws

A

DRISL

Friction loss increases directly with the decrease in diameter

Friction loss increases with the roughness of the interior of the hose

Friction loss for all practical purposes, is independent of pressure

Friction loss increases directly as the square of the flow rate

Friction loss increases directly with the length of the hose

18
Q

List the formula for calculating Head pressure

A

P = 10 x Height

19
Q

If 700kpa is required at the branch at the end of two length of 38mm hose running up a 5m incline, what pressure would be required at the pump? Show calculations

A

Branch = 700kpa
Hose 2x38mm = 440 kpa
Height = 50 kpa

1190 kpa at the pump

20
Q

What does RECEO stand for?

A

Rescue
Exposures
Containment
Extinguish
Overhaul

21
Q

Give a brief description of ‘Backdraught’

A

The sudden introduction of oxygen into a compartment full of superheated gases that have been starved of oxygen resulting in a rapid deflagration

22
Q

Give a brief description of flashover

A

The sudden and sustained transition from the ‘developing stage’ to the fully developed stage of the fire within an enclosure

23
Q

List 3 reasons why you would ventilate a structure

A
  1. Increase visibility for firefighters attempting search and rescue
  2. Increase survivability of casualties
  3. Reduces damage to building caused by smoke
24
Q

7 PPC items

A

Structural Coat / Jacket
Structural Pants
Structural gloves
Boots
Flash Hood
Helmet
Removable braces

25
Q

Describe the PPC for each of the 4 different levels:
Level A
Level B
Level C
Level D

A

A) Fully encapsulated Gas suit with BA
B) non- encapsulated splash suit w/ BA
C) non-encapsulated splash suit w/ respirator/ P2 mask
D) structural firefighting uniform

26
Q

Define the term ‘primary search’

A

A rapid but thorough search of all areas which can be entered safely. The purpose of this search is to find and remove all occupants safely

27
Q

Define the term ‘secondary search’

A

Occurs once the incident is under control & the fire has been contained. Emphasis is on thoroughness

28
Q

List the four routes of entry for toxic substances

A
  • Inhalation
  • Ingestion
  • Injection
  • Absorption
29
Q

List 5 Advantages of using foam

A

· Requires less water to extinguish.

· Reduces chance of recognition due to smothering effects.

· Can be used to flood areas or compartments.

· Doesn’t affect the stability of a ship when used.

· Only practical extinguishing method for class b fires

30
Q

List the 3 types of extinguishing methods for a compartment fire

A
  • direct attack
  • indirect attack
  • gas cooling
31
Q

Complete the classes below with an example and description:
A,B,C,D,E,F

A

A) Solid Carbonaceous Fires (Wood, paper, straw, textiles

B) Flammable Liquid Fires (Petrol, Oils, Alcohol, Paints)

C) Flammable Gases (LPG, Acetylene, methane)

D) Combustible Metals (Calcium, Magnesium, Potassium)

E) Electrical Equipment

F) Cooking Fats and Oils (Olive Oil, Lard, Vegetable Oil)

32
Q

What pressure does the electronic low pressure sound at on the BA?

A

99 Bar

33
Q

What is the minimum pressure for the operation of a BA set?

A

250 Bar

34
Q

What is on a HAZCHEM placard? List 6 items found on a bulk transport placard:

A

Substance, UN Number, HAZCHEM, Contacts, Class label, specialist advice.

35
Q

4 Dangerous Goods classes

A
  1. Explosives (Detonators)
  2. Flammable Gases (LPG,)
  3. Flammable Liquids (Petrol)
  4. Toxic (cyanide)
  5. Radioactive substances (Uranium)
36
Q

What is a word back?

A

A quick and concise description of the situation. Can be used to advise oncoming appliances as to the nature of the call.

37
Q

5 Elements of a word back

A

· Name (OIC)
· Situation (type of fire)
· Status
· Address
· Description (Brief)

38
Q

What is a sitrep?

A

A situation report that gives a more detailed description of the fire / incident

39
Q

What is a message?

A

Can be given at any time by anyone to relay information outside the wordback or Sitrep.

40
Q

What is the maximum practical lift when drafting?

A

7.5 m

41
Q

What is BSAHF?

A

Factors to consider prior entry:

Building - integrity, stability
Smoke - colour, volume, location
Air Track - velocity, direction
Heat - intensity, location
Flame - colour, openings

42
Q

4 Types of sprinkler systems

A

WADDRP
- Wet Pipe
- Alternative wet and dry
- Dry pipe
- Deluge
- Residential
- pre-action

Retention (6 decks)

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