CSCS Working At Heights Mock Test - 3 - Coteca

When is it necessary to fit guard-rails to a working platform?

When it is possible to fall 3 meters

When materials are being stored on a working platform

At any height in which a fall can result in an injury

When it is possible to fall 2 meters

You need to use inflatable airbags to protect a small area, why is it dangerous to use airbags that are larger than the area that needs to be protected?

The airbags could exert sideways pressure on anything that is containing them

The airbags could burst from pressure

The inflation pump could become overloaded

The airbags may not inflate fully

You have to work at height, when is it most appropriate to use a safety harness and fall-arrest lanyard ?

Only when all other fall prevention options have been ruled out

Only if the roof has a steep pitch

Only if you have to cross a flat roof with clear flood lights

Only when materials are being stored at height

What is the maximum permitted gap between the guard rails on a working platform?

500mm

520mm

300mm

470mm

What is the maximum vertical distance allowed between landings when using portable or pole ladder for access?

There is no official maximum distance

9 metres

20 metres

4 metres

What should you do if you discover a rung missing near the top of the ladder you’re about to use?

Stop using the ladder and report the defect immediately

Use the ladder but make sure a colleague holds the ladder while you’re on it

Flip the ladder so the missing rung stays closer to the ground

Use the ladder but make sure you’re very careful when going over the missing rung

Who should erect and dismantle a scaffold tower?

Anyone who has an instruction manual can do it

Only trained, competent and authorized people should carry out these tasks

Anyone who has witnessed these tasks can perform them as well

Anyone who has worked on a scaffold tower before can do this

What is the MAIN reason for using a safety net or soft-landing system instead of a personal fall-arrest system?

Soft-landing systems offer collective fall protection

Special training is not needed to install a soft-landing system

It’s much easier to rescue workers that have fallen into a soft-landing system

Soft-landing systems are cheaper and easier to install

Safety nets should be installed by ___.

A scaffolder only

Anyone who has worked with safety nets can install them

Anyone who has witnessed this before can do it

Someone who is trained, competent and authorised to do it

What does the Beaufort Scale measure ?

How much weight a flat roof can safely take

Wind speed

How much weight a scaffold can safely take

Air temperature

Where is the ideal place to rig a safety net ?

2 Metres below the work area

Immediately below the work area

At any height below the work area

6 Metres below the work area

What should you do if you discover the safety net you are working above is damaged ?

Stop working and report it immediately

Continue working but stay away from the damaged area

Continue working and report it at your next break

Ensure you are using a harness and lanyard

What should your FIRST consideration be if you are working from a cherry picker and the weather becomes very windy?

Tying all lightweight objects to the basket of the cherry picker

Tying the basket of the cherry picker to the structure you are working on

Determining whether or not the machine will remain stable

Clipping your lanyard to the machine you are working from

What is the FIRST thing you should consider if you have to work above public areas?

How to prevent complaints from the public

How to prevent anything from falling and hitting people

How to minimize the number of people positioned below the work

How to inform the public about what is happening

What should you do if the cherry picker you’re working from does not reach the area you need to work?

Ensure the machine is fully extended, then stand on the guard-rails

Do not attempt the job until you have an alternative means of access

Balance a step ladder on the machine platform to increase your reach

Use a long-extending ladder instead of the machine

When is a person who is not a scaffolder allowed to remove parts from a scaffold?

Never, competent scaffolders are the only ones permitted to remove parts

Only if the scaffold is not more than two lifts in height

Only if a scaffolder is available to refit the parts after work is completed

Only if they have witnessed this being done before

If you have to work from a cherry picker, you should attach your lanyard to ___.

A secure point on the structure that is being worked on

A secure point inside the platform

A scaffold guardrail

A secure point on the bottom of the machine

The MAIN reason why debris should not be allowed to gather in a safety net is ___.

Smaller pieces could slip through the net

It could overload the net

It could injure someone if they fall into the net

It could cause down time while the net is being cleaned

What should you do if you need to use a safety lanyard but the stitching is damaged?

Ask for a replacement and do not start working until you have a suitable replacement

Dispose of it and carry on working without one

Continue to use the lanyard and get another one at the end of your shift

Continue using the lanyard only if the damaged stitching is less than four inches

What is the purpose of edge protection ?

It allows a person to work on both sides of the edging

It prevents people and materials from falling

It secures tools and materials close to the edge

It is used to warn workers when they are close to the edge

Question 1 of 20

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CITB Working at Heights Mock Test 3

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