You are in a confined space. If the level of oxygen drops:

If Oxygen Drops

You might get dehydrated

You could become unconscious

You might get dehydrated

There is a high risk of fire or explosion

You need to walk through sludge at the bottom of a confined space. Which of these is NOT a hazard?

The release of oxygen

The release of toxic gases

Slips and trips

The release of flammable gases

If established hazard limits are exceeded you should:

Keep working

Leave space immediately

Do nothing

All of the above

A confined space is defined as:

Having limited way out

Not designed for continuous occupancy

Open space

All of the above

Which of these is NOT a danger that is associated with confined spaces?

Fire and explosions

Unhygienic surfaces

Liquids and solids

Oxygen deficiency

Why is it important that people are trained before they are allowed to go into a confined space?

The conditions inside a confined space may be harmful to health

Confined spaces always contain flammable or explosive gases

Confined spaces are only found on house-building sites

Confined spaces never contain breathable air

Before work starts in a confined space, how should the air be checked?

Sniffer dogs should be sent in

The air should be tested with a meter

Someone should look around to see if there is toxic gas

The air should be tested with a match to see if it stays alight

The main cause of death of people working in a confined space is:

Inadequate emergency rescue plan and equipment in place

The presence of methane gas

Asphyxiation

Too much oxygen

You are working in a confined space when you notice the smell of bad eggs. This smell is a sign of:

Oxygen

Hydrogen Sulphide

Methene

CO2

You are in a deep trench and start to feel dizzy. What should you do?

Carry on working and hope that the feeling will go away

Sit down in the trench and take a rest

Get out, let your head clear and then go back in again

Make sure that you and any others get out quickly and report it

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