Revision 3

Which of the following is an external source of occupational health and safety (OHS) information?

• Internal training manuals

• Company newsletters

• Regulatory bodies

• Employee handbooks

Ergonomists primarily contribute to OHS by:

• Enforcing safety laws

• Assessing human interaction with work systems

• Providing legal defense for incidents

• Manufacturing PPE

What is typically found in manufacturers’ manuals and specifications?

• Hazard incident records

• Safe operating procedures for equipment

• OHS committee meeting minutes

• Chemical exposure records

The unit of noise level is typically expressed in:

• Newtons

• Lux

• Decibels (dB)

• Volts

Dangerous goods, hazardous substances, and carcinogens are examples of:

• Tools

• Chemical categories

• Equipment manuals

• Electrical hazards

Dusts and fibers in the workplace can lead to:

• Better insulation

• Ill health and potential explosions

• Increased productivity

• Enhanced air quality

What is the key difference between a hazard and a risk?

• Hazards are imaginary; risks are real

• Risk involves certainty

• Risk involves uncertainty, while hazards are potential sources of harm

• Hazards are always visible

Which of the following electrical components helps prevent electric shock?

• Capacitor

• Residual Current Device (RCD)

• Switch

• Transformer

Ionizing radiation differs from non-ionizing radiation in that it:

• Cannot harm living cells

• Has enough energy to remove tightly bound electrons

• Is only present in visible light

• Is used only in heating appliances

What is the practical use of exposure standards in the workplace?

• Used only in lab environments

• Determining worker bonuses

• Assessing the risk of exposure to hazardous substances

• Replacing first-aid procedures