WorksheetsCSCS Electrical Safety Practice Questions
Total questions: 30
Worksheet time: 15mins
When should you check your tools and equipment for damage?
At least once a month
It should always be checked before you use it
At least once every 6 months
At least once every 3 months
You are given a task that requires using a power tool and need to carry out a visual inspection. Which TWO of these should you ensure when carrying out the visual inspection? (Choose 2 answers)
Ensure the carry case for the tool is not damaged
Ensure the switches, triggers and safety guard are in good working order and correctly set
Ensure the manufacturer's label hasn’t been removed
Ensure the power lead, plug and casing are not damaged
What is the MAIN reason why battery-powered tools are preferred instead of their electrical counterparts?
Battery-powered tools are safer, as they will not give you an electric shock
They do not have to undergo portable appliance testing
They're more powerful
They're cheaper to buy and maintain
A colleague near you is cutting concrete blocks with a petrol cut-off saw, which THREE of these immediate hazards are most likely to affect YOU? (Choose 3 answers)
Inhaling harmful dust
Dermatitis
Flying debris/fragments
Excessive noise levels
Hand arm vibration
Should hand tools such as saws, hammers, screwdrivers and wire cutters be inspected?
No, only electrical tools need inspecting
No, hand tools do not need inspecting
Yes, they should be checked once a month only
Yes, you should inspect them every-time you need to use them
Which of these must you do if you need to run an electrical cable across an area used by vehicles? (Choose 2 answers)
Use spare wood or scaffold boards to cover the cable
Use a protective ramp to cover the cable
Ensure that you use yellow tape to wrap it, as this would make it visible to drivers
Put up a "Ramp Ahead" sign
Why should you use a RCD with 230-volt tools?
It allows the tools run at a higher speed
It allows the tools to run at a safe speed
Because it cuts off the power quickly if there’s a fault
Because it reduces energy consumption and lowers cost
Which TWO statements below are TRUE when it comes to power tools? (Choose 2 answers)
To save time, you should leave your power tools plugged in while setting and adjusting
To prevent damage to the tool, you should always carry a power tool by its cord
Power tools should always be unplugged when not in use
Anyone who uses a power tool must be trained and competent to use it
You need to work near an overhead power line, when would it be safe to do so?
When the power is switched off
Only if you use a wooden ladder for access
If you are wearing rubber gloves
If you are wearing rubber sole safety boots
You have been given a power tool to use on site, what must you do before using the tool?
Check and make sure it's still under warranty
Ensure you inspect the tool before using it
Check and make sure it was manufactured in the UK
Nothing, just carry on using the tool
What should you do if you are given a cable-avoiding tool to use while working but you don't know how to use it?
Ask someone to show you how to use it
Inform your supervisor that you have not been trained to use it
Carry out the task without using it
Continue using it and figure it out as you go along
Which of these is considered best practice when it comes to using a power tool with a rotating blade?
Remove the guard, this will help you to work faster
Adjust the guard to expose only the amount of blade needed for the job
Ensure you're wearing leather gloves then remove the guard, this will help you to work faster
Adjust the guard so that most of the blade is visible
Which of these must you do if you're required to use an extension cable? (Choose 2 answers)
Check the entire length and cable connectors for damage
You must only uncoil the length you need to use
You must only check the length you need for damage
You must uncoil the entire cable
What does it mean if the tool you are about to use has been issued with a prohibition notice?
Only a supervisor can use the tool
The tool must not be used until it is made safe
You can only use the tool if your supervisor is present
You can only use the tool if you have been trained to use it correctly
What should the colour of a 110-volt power cable and connector be:
Green
Black
Yellow
Red
What should you do to protect yourself from an electric shock if you are using 230-volt equipment?
Place safety screens around the area you are working
Wear safety boots with a rubber sole
Use a residual current device (RCD)
Wear rubber gloves
Which THREE of these hazards are likely to affect a worker who is using an air-powered tool? (Choose 3 answers)
They could contract weil's disease
Hand arm vibration
They could be struck by a hose that is not properly secured
They could get an electric shock
Flying fragments and airborne dust
What should you do if the extension wire you need to use has a cut in the outer cover?
Carry on using it but avoid going near the cut part
Use electrical tape to cover it and then carry on working
If you can't see the copper wires inside then carry on using it
Report it immediately and make sure no one else uses it
To check if an RCD connected to a power tool is working you should:
Switch the power on and off
Switch the tool on and off
Press the test button on the RCD
Try running the tool at top speed to see if it cuts out
What should you do if the guard from a power tool you need to use is missing?
Use the tool as fast as you can to complete the task quickly
Carry on using it but be very careful and work very slowly
Improvise and make your own
Do not use the tool unless you get the correct guard fitted
Which of these is MOST likely to happen if you run an abrasive wheel faster than its recommended speed?
The wheel could shatter and send debris flying
The safety guard could shatter
The tool could catch fire
The wheel could become clogged and stop working
What important information should a Portable Appliance Testing (PAT) label on a power tool tell you?
The year the tool was manufactured
The previous date the tool was tested
The name of the last person who used the tool
The company the tool belongs to
What is the recommended safe voltage for electrical equipment on a building site?
110 volts
5.5 volts
9 volts
12 volts
230 volts
What should you do if you’re required to work in an area that has exposed electrical cable?
Touch it quickly to ensure that it’s not live
Do not go near the cable, report it to your supervisor immediately
Move the cable out of your path and carry on working
If there are no sparks coming from the cable then it’s safe to assume that it’s not live
What TWO things can you do to help prevent slips and trips while using an extension cable? (Choose 2 answers)
Run the cables and leads above head height over doorways and walkways
Tie up excess cables and leads into a very small coil
Run the cables and leads in the middle of the room so it can be visible to everyone
Run the cables and leads close to the wall
Which TWO of these would NOT require portable appliance testing (PAT)? (Choose 2 answers)
A 110v extension cable
A 110v transformer
A hammer and bolster
A plug-in beaker
A Battery-powered drill
You have to adjust an electric hand-tool, what should you do before attempting to adjust it?
Ensure it’s plugged in so that you can test it while adjusting
Ensure it’s switched off and unplugged
Ensure your supervisor is watching you
Ensure it’s turned off; it does not need to be unplugged
If you need to operate a power tool you must be:
At least 16 years old
Trained and competent
At least 18 years old
At least 21 years old
Why is it that building sites use 110-volt instead of the regular 230-volt supply?
Most power tools are designed for 110 volt only
It has less impact on the environment
Because it’s less likely to kill you
Mainly because it is a lot cheaper
What should you do if you are using a power tool and it cuts out?
Switch the tool on and off a few times to see if it helps
Turn off and unplug the tool, then look for signs of damage
Unplug and plug-in the tool a few times to see if it helps
Hit it a few times and see if it comes on
