When working inside a sewer system, the most serious risk to health and safety is -

• toxic gases exposure
• animal bites
• electrical shock
• slips and falls

which of the following areas may be a confined space?

• Public parks
• Residential homes
• Under suspended floor

• Open fields

Work is taken place in an excavated site, warning signs such as the one shown must be -

• No warning signs are needed at all.
• Display at all times.

• Warning signs should be in a foreign language.
• Warning signs can be placed far from the site.

Excavations in loose ground should either have trench supports fitted or have the trench -

• sloped to reduce the risk of collapse
• filled with concrete
• left unsupported
• covered with a tarp

Which one of the following work activities might require working in an excavation?

• Installing a water service pipe to a house

• Cooking or food preparation activities.
• Office administration duties.
• Gardening or landscaping tasks.

Which one of the following precautions must be observed when crossing a fragile roof to do a job?

• Ignore weather conditions when crossing.
• Walk quickly to minimize time on the roof.
• Always use purpose mad crawl boards.

• Use only a ladder for support.

which one of the following would be responsible for checking the suitability of a ladder before use?

• Ladder manufacturer
• Random bystander
• Maintenance worker
• The operator using the ladder.

which one of the following types of access equipment is considered the safest to use when working to replace guttering?

• Mobile Scaffold tower

• Scissor lift
• Cherry picker
• Ladder

which one of the following identifies the equipment shown in the image?

• Scaffolding
• Roof Ladder

• Loading ramp
• Conveyor belt

a fire extinguisher that is mainly coloured red would be used to extinguish fires fueled by -

• flammable liquids
• wooden materials
• paper and cardboard
• electrical fires