S11/GI Risk Assessment and Hazard Management 3

Question 1

In the hierarchy of controls, which option must always be considered first before others?

Accepted Answer

Elimination of the hazard from the workplace

Answer

Substitution of the hazardous material or process

Answer

Engineering controls such as guards or barriers

Answer

Personal Protective Equipment

Question 2

Which of the following is an example of 'substitution' as a control measure in Queensland mining?

Accepted Answer

Replacing a toxic solvent with a less hazardous cleaning agent

Answer

Requiring workers to wear hearing protection near noisy equipment

Answer

Installing a guard around a rotating conveyor drive

Answer

Creating a written safe work procedure for a task

Question 3

Installing a physical guard around a conveyor belt is an example of which type of control?

Accepted Answer

Engineering control

Answer

Elimination

Answer

Administrative control

Answer

Substitution

Question 4

Which of the following is an example of an administrative control in a mining environment?

Accepted Answer

Implementing a permit-to-work system for high-risk tasks

Answer

Replacing a hazardous substance with a safer alternative

Answer

Installing local exhaust ventilation to remove airborne dust

Answer

Requiring workers to wear respiratory protective equipment

Question 5

PPE is considered the least preferred control in the hierarchy of controls because:

Accepted Answer

It relies on correct worker use and does not remove or reduce the hazard itself

Answer

It is too expensive for most mining operations to provide

Answer

PPE is generally ineffective in underground mining environments

Answer

It is difficult to source and procure in Australia

Question 6

A risk that remains after all reasonably practicable control measures have been applied is known as:

Accepted Answer

A residual risk

Answer

An accepted risk

Answer

A managed hazard

Answer

A tolerable hazard

Question 7

Under Queensland mining regulations, if a worker genuinely believes a task is unsafe, they have the right to:

Accepted Answer

Stop work and report the hazard to their supervisor without fear of reprisal

Answer

Continue working but document their concerns in a log afterwards

Answer

Only raise concerns at the next scheduled toolbox safety meeting

Answer

Complete the task but apply additional PPE to manage the risk