OHS & Safety Work Practices
Name the THREE elements of a workplace accident.
Unplanned event · Interruption of work · Injury or property damage
What colour is a MANDATORY safety sign (something you MUST do)?
Blue and white
Why should you NEVER stand in the plane of an aircraft tyre during inflation?
A tyre or wheel failure can project tyre beads and wheel components at lethal velocity
What are the FOUR routes by which a hazardous substance can enter the body?
Inhalation · Skin/eye contact · Ingestion (swallowing) · Injection
Which animal has 3 hearts?
Octopus
What is the maximum recommended weight to manually lift from a STANDING position?
16–20 kg
At what noise level (dB) is the Australian standard set for an 8-hour workday?
85 dB(A)
What gas is used to inflate aircraft tyres, and why is it preferred over compressed air?
Nitrogen — inert, does not support combustion, prevents moisture build-up and internal oxidation
What does P.A.S.S. stand for when using a fire extinguisher?
Pull · Aim (at base) · Squeeze · Sweep
How old is your instructor?
Closest gets the points
List the FIVE steps of the Hierarchy of Controls (most to least effective).
Elimination → Substitution → Engineering → Administration → PPE
What are TWO types of fall control used when working at heights (in order of preference)?
Fall prevention first (edge protection / travel restraint) then Fall arrest (harness / catch platform)
What are the safe OXYGEN LEVEL limits (% by volume) for confined space / fuel tank entry?
Between 19.5% (minimum) and 23.5% (maximum — above this is O₂-enriched fire hazard)
What fire CLASS is a burning magnesium aircraft component, and which extinguisher type must be used?
Class D (combustible metal) · Class D dry powder ONLY (e.g. Met-L-X / graphite powder)
How many McDonald's restaurants are there worldwide?
approx 40,000 closest wins
Under the WHS Act, what is the maximum fine for a BODY CORPORATE that causes serious injury or death?
$300,000
At what current level (mA) does a person become UNABLE TO LET GO of a live conductor?
12–20 mA
What colour and pressure is an aircraft oxygen storage cylinder, and at what minimum pressure must you STOP discharging it?
Wakefield Green · Stored at 1,850 psi · Do not discharge below 50 psi
When working near aviation fuel systems, which fuels present an electromagnetic / RF ignition hazard?
JP-4, MOGAS (Motor Vehicle Gasoline) and AVGAS — NOT Jet A1 / JP-5 / JP-8 (minimal hazard)
Write down 6 countries that begin with the letter S
What are the FOUR main hazard categories when working with composite materials?
Matrix/resin system · Reinforcing fibre · Solvents/cleaning compounds · Dusts
What are the FOUR categories of information a Safety Data Sheet (SDS) must cover?
Hazards & safe handling · Physical & chemical properties · Health effects & first aid · Environmental effects
Name the THREE roles of a fuel tank entry crew and state ONE key rule unique to the Standby Person.
Confined Space Entrant · Standby Person · Alternate Standby Person. Standby Person must NEVER enter the tank to attempt rescue.
What is the LEL for Jet A1 fuel, and what does LEL mean?
LEL = 0.7%. Lower Explosive Limit — the minimum vapour concentration in air that will support combustion when exposed to an ignition source.
Draw a Giraffe riding a bicycle you have 30 seconds
Judge or Vote to see who gets the points