PS:1 Bench Grinder Safety Exam

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| By Pumpingstation

Pumpingstation

Community Contributor

Quizzes Created: 10 | Total Attempts: 26,537

Questions: 14 | Attempts: 1,518 | Updated: Aug 18, 2023

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This exam will test your knowledge of basic safety procedures for the bench grinder.
Note: This test is intended for use by members of Pumping Station: One, Chicago, only.

Questions and Answers

1.

The bench grinder is currently the only machine shop that you must use both safety glasses and a face shield while using?
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The given answer is false because there are other machines in the machine shop that also require the use of both safety glasses and a face shield while using. The bench grinder may be one of them, but it is not the only one.

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2.

Remove all jewelry except your wedding ring when using the grinder.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The statement suggests that when using the grinder, all jewelry except the wedding ring should be removed. The correct answer is False because it is not necessary to remove the wedding ring when using the grinder. The use of the word "except" indicates that the wedding ring is an exception to the rule of removing all jewelry.

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3.

It's okay to use a grinding wheel that you see has only small hairline cracks?
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Using a grinding wheel that has small hairline cracks is not okay because these cracks can lead to the wheel breaking apart during use, causing serious injury or damage. Cracks weaken the structural integrity of the wheel, making it more prone to failure. It is important to always inspect grinding wheels for any signs of damage or wear before using them to ensure safety.

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4.

You should operate the grinder with the wheel housing guards removed from around the grinding wheels to observe for wheel wobble?
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Operating a grinder without the wheel housing guards removed is the correct and safe practice. The guards are designed to protect the operator from any potential hazards, such as flying debris or sparks. Removing the guards can expose the operator to these hazards and increase the risk of accidents or injuries. Therefore, it is not recommended to operate the grinder without the wheel housing guards.

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5.

The bench grinder is to be mounted or secured to the table or workbench while in use?
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The correct answer is true because a bench grinder should always be mounted or secured to a table or workbench while in use. This is important for stability and safety reasons, as the grinder can produce vibrations and movement that could be hazardous if it is not properly secured. Mounting or securing the grinder ensures that it remains in place while operating, reducing the risk of accidents or injuries.

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6.

Grinding wheels must be fully stopped before adjusting the tool rest and shatter or spark guards?
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
It is important to fully stop grinding wheels before adjusting the tool rest and shatter or spark guards to ensure safety. If the wheels are still spinning, there is a risk of injury or accidents while making adjustments. Therefore, it is necessary to stop the wheels completely before making any changes to the tool rest or guards.

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7.

Spark or shatter guards must be adjusted to 1/2" from the wheel face?
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Spark or shatter guards must be adjusted to 1/2" from the wheel face because this distance ensures that the guards are close enough to effectively catch any sparks or shattered materials that may be produced during grinding or cutting operations. Being too far away from the wheel face would reduce the effectiveness of the guards, while being too close could cause them to interfere with the operation or get damaged. Therefore, adjusting the guards to 1/2" from the wheel face is the correct and safe practice.

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8.

The tool rest needs to be adjusted to only 1/8" from the wheel face?
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The tool rest needs to be adjusted to only 1/8" from the wheel face in order to ensure proper and safe operation of the tool. This distance allows for adequate support and control while using the wheel, preventing the tool from slipping or being thrown off balance. Adjusting the tool rest closer to the wheel face may result in increased risk of accidents or injuries.

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9.

You should always stand squarely in front of a grinder when you first turn it on?
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Standing squarely in front of a grinder when it is first turned on is not recommended because it can pose a safety risk. Grinders can produce sparks and debris, which can potentially cause injury if they come into contact with the face or body. It is advisable to stand to the side of the grinder and use appropriate personal protective equipment, such as safety glasses and a face shield, to minimize the risk of injury.

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10.

Material should always be forced into the grinding wheel as fast as it can be fed?
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Forcing material into the grinding wheel as fast as it can be fed is not true. This is because grinding wheels have a maximum speed limit and forcing material too quickly can cause the wheel to become overloaded, leading to overheating and potential damage. It is important to feed material at a controlled and steady pace to ensure efficient and safe grinding operations.

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11.

You should always use a wheel that vibrates excessively for a smooth grind?
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Using a wheel that vibrates excessively is not recommended for a smooth grind. Excessive vibration can lead to uneven grinding and can also cause damage to the wheel or the tool being used. It is important to use a wheel that is properly balanced and does not vibrate excessively in order to achieve a smooth and controlled grinding operation.

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12.

Always used the sides of the wheel for heavy grinding?
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The statement suggests that it is always necessary to use the sides of the wheel for heavy grinding, which is incorrect. While the sides of the wheel can be used for certain grinding tasks, heavy grinding is typically done using the face of the wheel. This allows for more surface area and better control during the grinding process. Therefore, the correct answer is false.

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13.

You should always dress the wheel when it is out of round, clogged, or as grooves worn in it?
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Dressing the wheel is necessary when it is out of round, clogged, or has grooves worn in it. Dressing refers to the process of removing debris, reshaping, and smoothing the surface of the grinding wheel. This helps to maintain its effectiveness and ensure accurate and efficient grinding operations. Therefore, it is important to dress the wheel when any of these issues are present.

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14.

It is okay to operate the grinder when other people are standing nearby?
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Operating a grinder when other people are standing nearby is not okay because it poses a safety risk. Grinders produce sparks and debris that can cause injury to individuals in close proximity. Additionally, the noise and vibration generated by the grinder can be disruptive and potentially harmful to others. It is important to prioritize safety and ensure that all necessary precautions are taken before operating a grinder, including clearing the area of people and wearing appropriate personal protective equipment.

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Current Version
Aug 18, 2023

Quiz Edited by
ProProfs Editorial Team
Apr 23, 2010

Quiz Created by
Pumpingstation

Ps:1 Bench Grinder Safety Exam

The bench grinder is currently the only machine shop that you must use both safety glasses and a face shield while using?

Remove all jewelry except your wedding ring when using the grinder.

It's okay to use a grinding wheel that you see has only small hairline cracks?

You should operate the grinder with the wheel housing guards removed from around the grinding wheels to observe for wheel wobble?

The bench grinder is to be mounted or secured to the table or workbench while in use?

Grinding wheels must be fully stopped before adjusting the tool rest and shatter or spark guards?

Spark or shatter guards must be adjusted to 1/2" from the wheel face?

The tool rest needs to be adjusted to only 1/8" from the wheel face?

You should always stand squarely in front of a grinder when you first turn it on?

Material should always be forced into the grinding wheel as fast as it can be fed?

You should always use a wheel that vibrates excessively for a smooth grind?

Always used the sides of the wheel for heavy grinding?

You should always dress the wheel when it is out of round, clogged, or as grooves worn in it?

It is okay to operate the grinder when other people are standing nearby?