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Theory exam Flashcards

1
Q

List 5 general purpose knots

A

Overhand knot
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 recognise
easy to untie
will not slip
will not reduce the strength of rope

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3
Q

Define the following ladder term: Raise

A

Lift a ladder from a horizontal to a vertical position.

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4
Q

Define the following ladder term: Depress

A

Lower a ladder against an objective from the vertical position.

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5
Q

Define the following ladder term: Extend

A

Extend the fly section of a ladder.

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6
Q

Define the following ladder term: House

A

Lower the extended fly section of a ladder.

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7
Q

Define the following ladder term: Elevate

A

Return a ladder to the vertical position from against a pitched position.

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8
Q

Define the following ladder term: Lower

A

Lower a ladder from a vertical to a horizontal position.

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9
Q

Define the acronym HPPCG:

A

Height - Can the ladder reach the objective with minimum 3 rungs?
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/behind (6m)?
Ground - Is the ground safe/stable enough?

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10
Q

Define the Emergency signal horn blast sequence for the following: Evacuation

A

3 blasts of 1 second duration

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11
Q

Define the Emergency signal horn blast sequence for the following: Cease operations

A

1 blast of 3 second duration

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12
Q

Define the Emergency signal horn blast sequence for the following: Resume operations

A

1 blast of 3 second duration, followed by 1 blast of 1 second duration.

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13
Q

Define the HOTS acronym.

A

High temperatures
Oxygen deficient
Toxic atmosphere
Smoke concentration

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14
Q

What does BLEVE stand for?

A

Boiling
Liquid
Expanding
Vapour
Explosion

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15
Q

What is the expansion ration of LPG (Propane)?

A

270:1

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16
Q

List and define 4 fire service communication pro words.

A

Affirmative: yes/correct
Negative: no/incorrect
Roger: I understand
Say again: repeat the last transmission

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17
Q

True or False: suction hose is built to withstand external pressure.

A

True

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18
Q

True or False: delivery hose is built to withstand external pressure.

A

False

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19
Q

State the type of pump fitted to the Type 4 heavy pumper.

A

Godiva WTB-4010 rear mounted multistage pump

20
Q

What is the Low pressure rated capacity of the pump?

A

4000 L/min at 1000 kPa

21
Q

What is the high pressure rated capacity of the pump?

A

750 L/min at 5500 kPa

22
Q

What is the maximum flow capacity of the pump?

A

6200 L/min

23
Q

Describe the 5 friction loss laws

A

(DRISL)
1.Friction loss increases directly with the decrease in diameter.
2.Friction loss increases with the roughness of the interior of the house.
3. Friction loss is independent of pressure.
4.Friction loss increases directly as the square of the flow rate.
5. Friction loss increases directly with the length of the hose.

24
Q

What is the formula for calculating head pressure in kPa?

A

P = 10 x height

25
Q

What does RECEO stand for?

A

Rescue
Exposures
Containment
Extinguish
Overhaul

26
Q

What is a backdraught?

A

The sudden introduction of oxygen in a burning room full of super-heated gases resulting in an explosion.

27
Q

What is a flashover?

A

The sudden and sustained transition from developing stage to the fully developed stage of a fire in a compartment.

28
Q

List 3 reasons why you would ventilate a structure.

A
  1. Increase visibility for firefighters
  2. increase survivability for casualties
  3. reduce smoke damage in building
29
Q

List all of the items of PPC you would wear when responding to a structure fire.

A
  • Structural helmet
  • Structural jacket
  • Structural boots
  • Structural pants
  • Structural gloves
  • flash hood
30
Q

Describe the 4 levels of PPC

A

Level A - fully encapsulated suit with BA
Level B - Splash suit with BA
Level C - Splash suit with respirator/p2 mask
Level D - structural PPC

31
Q

Define the term ‘primary search’.

A

A rapid but through search of an area that can be entered safely to locate and remove occupants. Emphasis on speed but not at expense of thoroughness.

32
Q

Define the term ‘ secondary search’.

A

Happens when fire is contained and under control. Emphasis is on thoroughness.

33
Q

List the four routes of entry for toxic substances.

A
  1. Inhalation
  2. ingestion
  3. Absorption
  4. Injection
34
Q

List the 5 advantages of using foam.

A
  1. Uses less water - thus less water damage.
  2. Effective against class B fires.
  3. Reduces chance of reignition.
  4. Can be used to totally flood areas or compartments.
  5. Reduces stability problems in shipboard fires due to lightness.
35
Q

List the 3 methods of extinguishment in compartment fires.

A
  1. Direct attack.
  2. Indirect attack.
  3. Gas cooling.
36
Q

What is a A class fire. Provide 3 examples.

A

Carbonaceous solids.
- wood
- paper
- textiles

37
Q

What is a B class fire. Provide 3 examples.

A

Flammable liquids.
- petroleum
- alcohols
- paints

38
Q

What is a C class fire. Provide 3 examples.

A

Flammable gases
- LPG
- Methane
- Acetylene

39
Q

What is a D class fire. Provide 3 examples.

A

Combustible metals
- Magnesium
- calcium
- Potassium

40
Q

What is a F class fire. Provide 3 examples.

A

Fats and oils
- olive oil
- vegetable oil
- Lard

41
Q

What 6 items of information is on a bulk transport hazchem placard?

A

Product name, UN number, dangerous goods class label, contact information, Hazchem code, specialist advice

42
Q

List 4 dangerous goods classes with examples.

A

Flammable gasses - LPG, acetylene, methane
Flammable liquids - petrol, ethanol
Radioactive substance - Plutonium
Explosives - dynamite

43
Q

Label the standpipe from top to bottom

A

Spindle handle
Stuffing box
Head
Blanking cap
Collar
Shipping handles
Barrel
Spindle
Spindle threads
Lugs
Bell
Washer
Foot

44
Q

Define BSAHF

A

BUILDING - structural elements, design/layout
SMOKE - colour, volume, location
AIR TRACK - direction, velocity
HEAT - intensity
FLAME - colour, extent, location

45
Q

List the types of sprinkler systems
(WADDRP)

A

Wet pipe
Alternating wet and dry
Dry pipe
Deluge
Residential
Pre-action

46
Q

Label the parts of the Harris radio

A
  1. Channel Selection Knob
    1. Power On/Off & Volume Control
    2. LED
    3. Microphone
    4. Push To Talk (PTT)
    5. Navigation Pad
    6. Duress
    7. Top Display Panel
    8. Speaker
    9. Main Display Panel
    10. Menu Selection Buttons
    11. Keypad
    12. Secondary Off Button
    13. Top Display Light
    14. Main/Front Display Light
    15. Channel Lock
    16. Radio Zone Switch
47
Q

List the parts of sprinkler installation

A

Flow switch
Pressure switch
Local Warning Gong (LWG)
Installation pressure
Town main pressure
Alarm valve
Drain valve
Test cock
Combined mains pressure gauge
Valve monitoring alarm (VMA)
Main stop valve
Drain pipe
Alarm Signalling Equipment (ASE)
Non-return valve (x2)
Stop valve (x2)
Mains supply 1
Mains supply 2
Jacking pump

Retention (5 decks)

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