Theory exam Flashcards
List 5 general purpose knots
Overhand knot
Clove hitch
Rolling hitch
Bowline
Double sheet bend
List the 5 characteristics of a good knot
easy to tie
easy to recognise
easy to untie
will not slip
will not reduce the strength of rope
Define the following ladder term: Raise
Lift a ladder from a horizontal to a vertical position.
Define the following ladder term: Depress
Lower a ladder against an objective from the vertical position.
Define the following ladder term: Extend
Extend the fly section of a ladder.
Define the following ladder term: House
Lower the extended fly section of a ladder.
Define the following ladder term: Elevate
Return a ladder to the vertical position from against a pitched position.
Define the following ladder term: Lower
Lower a ladder from a vertical to a horizontal position.
Define the acronym HPPCG:
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?
Define the Emergency signal horn blast sequence for the following: Evacuation
3 blasts of 1 second duration
Define the Emergency signal horn blast sequence for the following: Cease operations
1 blast of 3 second duration
Define the Emergency signal horn blast sequence for the following: Resume operations
1 blast of 3 second duration, followed by 1 blast of 1 second duration.
Define the HOTS acronym.
High temperatures
Oxygen deficient
Toxic atmosphere
Smoke concentration
What does BLEVE stand for?
Boiling
Liquid
Expanding
Vapour
Explosion
What is the expansion ration of LPG (Propane)?
270:1
List and define 4 fire service communication pro words.
Affirmative: yes/correct
Negative: no/incorrect
Roger: I understand
Say again: repeat the last transmission
True or False: suction hose is built to withstand external pressure.
True
True or False: delivery hose is built to withstand external pressure.
False
State the type of pump fitted to the Type 4 heavy pumper.
Godiva WTB-4010 rear mounted multistage pump
What is the Low pressure rated capacity of the pump?
4000 L/min at 1000 kPa
What is the high pressure rated capacity of the pump?
750 L/min at 5500 kPa
What is the maximum flow capacity of the pump?
6200 L/min
Describe the 5 friction loss laws
(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.
What is the formula for calculating head pressure in kPa?
P = 10 x height
What does RECEO stand for?
Rescue
Exposures
Containment
Extinguish
Overhaul
What is a backdraught?
The sudden introduction of oxygen in a burning room full of super-heated gases resulting in an explosion.
What is a flashover?
The sudden and sustained transition from developing stage to the fully developed stage of a fire in a compartment.
List 3 reasons why you would ventilate a structure.
- Increase visibility for firefighters
- increase survivability for casualties
- reduce smoke damage in building
List all of the items of PPC you would wear when responding to a structure fire.
- Structural helmet
- Structural jacket
- Structural boots
- Structural pants
- Structural gloves
- flash hood
Describe the 4 levels of PPC
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
Define the term ‘primary search’.
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.
Define the term ‘ secondary search’.
Happens when fire is contained and under control. Emphasis is on thoroughness.
List the four routes of entry for toxic substances.
- Inhalation
- ingestion
- Absorption
- Injection
List the 5 advantages of using foam.
- Uses less water - thus less water damage.
- Effective against class B fires.
- Reduces chance of reignition.
- Can be used to totally flood areas or compartments.
- Reduces stability problems in shipboard fires due to lightness.
List the 3 methods of extinguishment in compartment fires.
- Direct attack.
- Indirect attack.
- Gas cooling.
What is a A class fire. Provide 3 examples.
Carbonaceous solids.
- wood
- paper
- textiles
What is a B class fire. Provide 3 examples.
Flammable liquids.
- petroleum
- alcohols
- paints
What is a C class fire. Provide 3 examples.
Flammable gases
- LPG
- Methane
- Acetylene
What is a D class fire. Provide 3 examples.
Combustible metals
- Magnesium
- calcium
- Potassium
What is a F class fire. Provide 3 examples.
Fats and oils
- olive oil
- vegetable oil
- Lard
What 6 items of information is on a bulk transport hazchem placard?
Product name, UN number, dangerous goods class label, contact information, Hazchem code, specialist advice
List 4 dangerous goods classes with examples.
Flammable gasses - LPG, acetylene, methane
Flammable liquids - petrol, ethanol
Radioactive substance - Plutonium
Explosives - dynamite
Label the standpipe from top to bottom
Spindle handle
Stuffing box
Head
Blanking cap
Collar
Shipping handles
Barrel
Spindle
Spindle threads
Lugs
Bell
Washer
Foot
Define BSAHF
BUILDING - structural elements, design/layout
SMOKE - colour, volume, location
AIR TRACK - direction, velocity
HEAT - intensity
FLAME - colour, extent, location
List the types of sprinkler systems
(WADDRP)
Wet pipe
Alternating wet and dry
Dry pipe
Deluge
Residential
Pre-action
Label the parts of the Harris radio
- Channel Selection Knob
- Power On/Off & Volume Control
- LED
- Microphone
- Push To Talk (PTT)
- Navigation Pad
- Duress
- Top Display Panel
- Speaker
- Main Display Panel
- Menu Selection Buttons
- Keypad
- Secondary Off Button
- Top Display Light
- Main/Front Display Light
- Channel Lock
- Radio Zone Switch
List the parts of sprinkler installation
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
