Lathe Safety
Accidents do happen in the workshop. It is essential to observe safety practices to prevent accidents. Most equipment and tools in the workshop are dangerous, so it is important that you practice safety measures when using them. The lathe is a special machine and we need to be aware of the safety rules that is associared with it.
- 1.
When operating the lathe you should wear eye protection because
- A.
It looks cool
- B.
The teacher insists
- C.
Sharp, hot metal chips can fly off
- D.
It will protect against the bright blinding light
Correct Answer
C. Sharp, hot metal chips can fly offExplanation
When operating a lathe, wearing eye protection is necessary because sharp, hot metal chips can fly off. These chips can pose a significant risk to the eyes, causing injury or damage. Eye protection, such as safety glasses or goggles, creates a barrier between the eyes and the flying debris, reducing the chances of eye-related accidents. It is important to prioritize safety in such situations to prevent any potential harm.Rate this question:
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- 2.
Snugly fitting clothes is best because
- A.
They just look neater
- B.
Loose fitting clothes may get caught in rotating work
- C.
Keep you cooler
- D.
You cannot work fast enough in loose fittng clothes
Correct Answer
B. Loose fitting clothes may get caught in rotating workExplanation
Loose fitting clothes may get caught in rotating work, which can be dangerous and cause accidents. Snugly fitting clothes, on the other hand, reduce the risk of getting caught in machinery or equipment, ensuring safety in the workplace. Additionally, snugly fitting clothes give a neater appearance, and they allow for better mobility and the ability to work efficiently.Rate this question:
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- 3.
The preferred type of shoes to be worn are
- A.
Sandals
- B.
Dress shoes
- C.
Leather boots
- D.
Sneakers
Correct Answer
C. Leather bootsExplanation
Leather boots are the preferred type of shoes to be worn because they offer durability, support, and protection. They are suitable for various occasions and can be paired with different outfits. Leather boots also provide insulation and are resistant to water, making them ideal for different weather conditions. Additionally, they are stylish and versatile, allowing individuals to express their personal style while ensuring comfort and functionality.Rate this question:
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- 4.
The work should ___________ be clamp securely in the chuck or between centres before starting the lathe.
- A.
Always
- B.
Sometimes
- C.
Not
- D.
Only in special cases
Correct Answer
A. AlwaysExplanation
When operating a lathe, it is important to ensure that the workpiece is securely clamped in the chuck or between centers. This is necessary to prevent the workpiece from coming loose or moving during the lathe operation, which could lead to accidents or damage to the workpiece. Therefore, the work should always be clamp securely in the chuck or between centers before starting the lathe.Rate this question:
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- 5.
The chuck key may ______________ be left in the chuck.
- A.
Sometimes
- B.
Only in special cases
- C.
Always
- D.
Never
Correct Answer
D. NeverExplanation
The chuck key should never be left in the chuck. This is because leaving the chuck key in the chuck can be dangerous. It can cause the chuck to rotate unexpectedly, leading to accidents or injuries. It is important to remove the chuck key after use and store it in a safe place to prevent any mishaps.Rate this question:
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- 6.
Do not remove the swarf from the rotating work because
- A.
To do otherwise, the swarf may cut
- B.
The swarf may break
- C.
The machine may overheat
- D.
The swarf is hard to come loose
Correct Answer
A. To do otherwise, the swarf may cutExplanation
If the swarf is removed from the rotating work, there is a possibility that it may cut something else. This suggests that the swarf itself could be sharp or have sharp edges that can cause injury or damage if not handled properly. Therefore, it is important to leave the swarf on the rotating work to prevent any potential cutting hazards.Rate this question:
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- 7.
When filing especially on the lathe, files should always be used with the handles fitted on, otherwise they may
- A.
Slip from your grasp easily
- B.
Pierce your hand with their tangs
- C.
Prevent proper cutting of the metal
- D.
Scratch the surface of the work piece
Correct Answer
B. Pierce your hand with their tangsExplanation
When filing on the lathe, files should always be used with the handles fitted on because if the handles are not used, there is a risk that the tangs (sharp pointed ends) of the files may pierce your hand. The handles provide a secure grip and prevent the files from slipping, reducing the chances of injury. Therefore, it is important to use the handles to ensure safety while filing on the lathe.Rate this question:
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- 8.
Jewelry should be removed because
- A.
It is a school and no jewerly is allowed
- B.
It may get tangled in the rotating work
- C.
It cause a magnetic attraction
- D.
Teachers don't like student in jewerly
Correct Answer
B. It may get tangled in the rotating workExplanation
Jewelry should be removed because it may get tangled in the rotating work. This can be dangerous as it can cause accidents or injuries to the person wearing the jewelry or those around them. Removing jewelry reduces the risk of entanglement and ensures a safer working environment.Rate this question:
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- 9.
When filing on the lathe it is best to hold the file
- A.
In your left hand
- B.
In your right hand
- C.
By stretching over the chuck
- D.
With a pliers
Correct Answer
A. In your left handExplanation
When filing on the lathe, it is best to hold the file in your left hand. This is because holding the file in the left hand allows for better control and precision while filing. Additionally, holding the file in the left hand keeps the right hand free to operate the lathe controls and make adjustments as needed.Rate this question:
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- 10.
It is best to start the lathe at
- A.
Medium speed and increase or decrease gradually
- B.
At the exact speed
- C.
Fast speed and decrease gradually
- D.
Slow speed and increase gradually
Correct Answer
D. Slow speed and increase graduallyExplanation
Starting the lathe at a slow speed and gradually increasing it is the best approach because it allows for better control and reduces the risk of accidents. Starting at a fast speed could cause the workpiece to become unstable or cause the tool to catch, leading to damage or injury. Similarly, starting at a fast speed and decreasing gradually may still pose risks as sudden changes in speed can be unpredictable. Starting at a slow speed and increasing gradually allows the operator to observe and adjust as necessary, ensuring a safer and more efficient operation.Rate this question:
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