Hand-held Equipment And Tools

2.

It is dangerous to run an abrasive wheel faster than its recommended top speed. Why?

The wheel will get clogged and stop
The motor could burst into flames
The wheel could burst
The safety guard cannot be used

Correct Answer

A. The wheel could burst

Explanation

Running an abrasive wheel faster than its recommended top speed can cause it to burst. When the wheel rotates at a speed higher than it is designed for, the centrifugal force acting on the wheel increases significantly. This excessive force can cause the wheel to fracture or explode, posing a serious safety hazard. Therefore, it is crucial to adhere to the recommended top speed to prevent the wheel from bursting and potentially causing harm to the operator or others nearby.

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3.

Someone near you is using a laser level. What health hazard is likely to affect you?

Skin cancer
None if it is used correctly
Gradual blindness
Burning of the skin, similar to sunburn

Correct Answer

A. None if it is used correctly

Explanation

If the laser level is used correctly, there should be no health hazard that would affect you. This means that the laser is being used in a safe manner and is not causing any harm to your health.

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4.

You need to use a power tool, but it has a 13 amp plug fitted. What would be the safest thing to do?

Fit a 110 volt plug so that you can plug it into the transformer
Get a 110 volt tool to use
Look for a 110/230 volt step-up transformer
Find a suitable 230 volt supply to power it

Correct Answer

A. Get a 110 volt tool to use

5.

If you need to use a power tool with a rotating blade, you should:

Remove the guard so that you can clearly see the blade
Adjust the guard to expose just enough blade to let you do the job
Remove the guard but wear leather gloves to protect your hands
Adjust the guard to expose the maximum amount of blade

Correct Answer

A. Adjust the guard to expose just enough blade to let you do the job

Explanation

Adjusting the guard to expose just enough blade to let you do the job is the correct answer because it ensures both safety and functionality. Removing the guard completely or adjusting it to expose the maximum amount of blade can be dangerous as it increases the risk of accidents and injuries. Wearing leather gloves is not a substitute for using the guard properly and may not provide adequate protection. Adjusting the guard to the appropriate level allows for a balance between visibility and safety, enabling the user to complete the task effectively while minimizing the chances of accidents.

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6.

You must be fully trained before you use a cartridge-operated tool. Why?

They are heavy and could cause manual handling injuries
Using one can cause dermatitis
They have exposed electrical parts
They operate like a gun and can be dangerous in inexperienced hands

Correct Answer

A. They operate like a gun and can be dangerous in inexperienced hands

Explanation

Cartridge-operated tools operate similarly to guns, making them potentially dangerous in the hands of inexperienced individuals. These tools require proper training to ensure that users understand how to handle them safely and avoid accidents. Without proper training, there is a higher risk of mishandling or misusing the tool, which could lead to serious injuries or accidents. Therefore, being fully trained before using a cartridge-operated tool is essential to ensure safety and prevent any potential harm.

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7.

Chainsaws are dangerous because:

They are heavy to use
They are noisy
There is no guard on the cutting chain
All of the other answers

Correct Answer

A. All of the other answers

Explanation

Chainsaws are dangerous because they are heavy to use, noisy, and there is no guard on the cutting chain. These factors contribute to the potential risks and hazards associated with operating a chainsaw. The weight of the chainsaw can cause fatigue and strain on the user, increasing the likelihood of accidents. The loud noise produced by the chainsaw can lead to hearing damage if proper protection is not worn. Additionally, the absence of a guard on the cutting chain increases the risk of accidental contact with the chain, resulting in severe injuries. Therefore, all of these reasons combined make chainsaws dangerous.

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8.

Before you adjust an electic hand tool, you should:

Switch it off but leave the plug in the socket
Do nothing in particular
Switch it off and remove the plug from the socket
Put tape over the ON/OFF switch

Correct Answer

A. Switch it off and remove the plug from the socket

Explanation

Before adjusting an electric hand tool, it is important to switch it off to ensure safety. However, simply switching it off may not be sufficient as there is still a risk of accidental activation if the tool is left plugged in. Therefore, it is necessary to also remove the plug from the socket to completely eliminate any chance of the tool turning on while making adjustments.

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9.

What is the main danger if you use a chisel with a 'mushroomed' head?

It will shatter and send fragments flying into the air
It will damage the face of the hammer
The shaft of the chisel will bend when you hit it
You will have to sharpen the chisel more often

Correct Answer

A. It will shatter and send fragments flying into the air

Explanation

Using a chisel with a 'mushroomed' head can be dangerous because it can shatter and send fragments flying into the air. This can cause serious injuries to the user or anyone nearby. The mushrooming of the chisel head occurs when the striking end becomes deformed or flattened due to repeated use. This weakens the integrity of the chisel and increases the risk of it breaking apart upon impact. Therefore, it is important to regularly inspect and maintain chisels to ensure safe usage.

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10.

To operate a powered hand tool, you must be:

Over 16 years old
Over 18 years old
Trained and competent
21 years old and over

Correct Answer

A. Trained and competent

Explanation

To operate a powered hand tool, being trained and competent is necessary. This means that you have received proper instruction and have the necessary skills to safely and effectively use the tool. Age requirements may vary depending on the specific tool and regulations, but being trained and competent is a fundamental requirement for operating any powered hand tool.

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Hand-held Equipment And Tools

You need to use an air-powered tool. Which of these is not a hazard?

Quiz Preview

It is dangerous to run an abrasive wheel faster than its recommended top speed. Why?

Someone near you is using a laser level. What health hazard is likely to affect you?

You need to use a power tool, but it has a 13 amp plug fitted. What would be the safest thing to do?

If you need to use a power tool with a rotating blade, you should:

You must be fully trained before you use a cartridge-operated tool. Why?

Chainsaws are dangerous because:

Before you adjust an electic hand tool, you should:

What is the main danger if you use a chisel with a 'mushroomed' head?

To operate a powered hand tool, you must be: