FREE ECS Technical and Manual Handling Operations Questions and Answers

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What is most commonly used to reduce 230 volts to 110 volts on site?

Correct! Wrong!

Explanation:
A transformer, usually coloured yellow, will transform 230 volts (mains voltage) down to a relatively safe 110 volts.

A portable electric generator on site has two power outlets, 110 volts and 230 volts. What colour would the 110-volt outlet be?

Correct! Wrong!

Explanation:
Yellow is the usual colour of cables, socket outlets, plugs, transformers etc which are used with a 110-volt supply.

Which of the following do the Electricity at Work (EAW) regulations apply to?

Correct! Wrong!

Explanation:
The EAW Regulations impose duties on employers, employees, and the self-employed.

What is the most serious effect that electric shock can have if you come into contact with a live part?

Correct! Wrong!

Explanation:
Contact with live electrical parts can be fatal. If you do not know otherwise, always assume that electrical parts are live.

What do the letters SWL stand for?

Correct! Wrong!

Explanation:
Machinery and accessories for lifting loads should be clearly marked to indicate their safe working loads.

As an approximate guide, the manual handling capacity of a two-person team is:

Correct! Wrong!

Explanation:
This is contained in HSE guidance on the Manual Handling Operations Regulations 1992.

In accordance with the Electricity at Work regulations, when considering whether to work live a responsible person should:

Correct! Wrong!

Explanation:
To identify and assess the risks involved and the methods of controlling them.

What is the preferred nominal voltage for portable hand tools on construction sites?

Correct! Wrong!

Explanation:
110-volt reduced low voltage systems are strongly preferred for the supply of such equipment.

You have been asked to operate a cherry-picker (mobile elevated work platform) when it is very windy. What should your FIRST consideration be?

Correct! Wrong!

Explanation:
The priority in safety is eliminating risk at source - in this case by not working in dangerous conditions - rather than trying to stay safe by using protective equipment.

With regard to the effect of electrical current on the human body, one of the following is correct:

Correct! Wrong!

Explanation:
An RCD is a mechanical switching device intended to cause the opening of the contacts when the residual current attains a given value under specified conditions.

When is live working permissible?

Correct! Wrong!

Explanation:
This is a requirement under r.14 of the EAW Regulations. However, it does not mean that live working is then 'safe'

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