Arc Welding Safety

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| By Mfgtech

Mfgtech

Community Contributor

Quizzes Created: 7 | Total Attempts: 10,682

Questions: 10 | Attempts: 950 | Updated: Mar 22, 2023

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ARC welding safety measures are not only important but also fundamental in ensuring that there are no unnecessary accidents while at the job. How much do you know of these safety protocols and measures? Find out below.

Questions and Answers

1.

1. Remove stub ends immediately after welding; do not leave an electrode ________ with a stub end in it.
- A.
  
  Storage
- B.
  
  Holder
- C.
  
  Machine
- D.
  
  Box
Correct Answer
B. Holder

Explanation
The correct answer is "holder" because the sentence states that stub ends should not be left in an electrode, indicating that the electrode is held or stored in something. The other options, such as storage, machine, and box, do not necessarily imply that the electrode is being held or stored in them.

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0
1
2.

4. Use safety goggles and a hand shield or helmet equipped with a suitable ________ glass to protect against the intense ultraviolet and infrared rays.
- A.
  
  Filter
- B.
  
  Nice
- C.
  
  Cool
- D.
  
  Stylish
Correct Answer
A. Filter

Explanation
The correct answer is "filter." Safety goggles and a hand shield or helmet equipped with a suitable filter glass are necessary to protect against intense ultraviolet and infrared rays. The filter glass helps to block out these harmful rays and ensure the safety of the person wearing the goggles or shield.

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3.

3. Mark all hot metal after welding operations are completed. _____________is commonly used for this purpose.
- A.
  
  Pen
- B.
  
  Pencil
- C.
  
  Permanent marker
- D.
  
  Soapstone or chalk
Correct Answer
D. Soapstone or chalk

Explanation
Soapstone or chalk is commonly used to mark all hot metal after welding operations are completed. This is because soapstone and chalk have high heat resistance and can withstand the high temperatures generated during welding. They can easily mark on the hot metal surface and the marks are visible even in high heat conditions. Additionally, soapstone and chalk can be easily removed or cleaned off after the welding process is completed.

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4.

2. Remove all _____________ material such as cotton, oil, gasoline, etc., from the vicinity of welding.
- A.
  
  Expensive
- B.
  
  Flammable
- C.
  
  Old materials
- D.
  
  Notes on
Correct Answer
B. Flammable

Explanation
The correct answer is "flammable" because when welding, there is a risk of sparks and heat that can cause a fire if they come into contact with materials that easily catch fire or burn. Flammable materials such as cotton, oil, and gasoline can ignite and cause a dangerous situation. Therefore, it is important to remove all flammable materials from the vicinity of welding to prevent any accidents or fires from occurring.

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5.

6. Flameproof aprons or jackets made of leather, fire resistant material, or other suitable material should be worn for ____________ against spatter of molten metal, radiated heat, and sparks.
- A.
  
  Protection
- B.
  
  Rejection
- C.
  
  Evacuation
- D.
  
  Mobilization
Correct Answer
A. Protection

Explanation
Flameproof aprons or jackets made of leather, fire resistant material, or other suitable material should be worn for protection against spatter of molten metal, radiated heat, and sparks. Wearing these protective garments can help prevent burns and injuries caused by exposure to high temperatures and flying debris.

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6.

5.Welders must wear safety glasses. When using chippers and grinders, use face shields in _________ to safety glasses.
- A.
  
  Instead
- B.
  
  Addition
- C.
  
  Replacement
- D.
  
  Side
Correct Answer
B. Addition

Explanation
When using chippers and grinders, it is necessary to add face shields in addition to safety glasses. This implies that safety glasses alone are not sufficient for protection in these specific situations, and the addition of face shields is required to ensure maximum safety for welders.

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7.

8.Do not operate the _________switch while the machine is operating under welding current load. Consequent arcing at the switch will damage the contact surfaces and the flash may burn the person operating the switch.
- A.
  
  Tv
- B.
  
  Radio
- C.
  
  Polarity
- D.
  
  Light
Correct Answer
C. Polarity

Explanation
The correct answer is "polarity". Operating the polarity switch while the machine is operating under welding current load can cause arcing at the switch, which can damage the contact surfaces. Additionally, the flash produced by the arcing can potentially burn the person operating the switch. Therefore, it is important to avoid operating the polarity switch while the machine is in use.

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8.

7. Welding may produce fumes and gases _________ to health. Avoid breathing these fumes and gases. Use adequate ventilation.
- A.
  
  Good
- B.
  
  Hazardous
- C.
  
  Beneficial
- D.
  
  Nice
Correct Answer
B. Hazardous

Explanation
Welding may produce fumes and gases that are hazardous to health. This means that they can be harmful or dangerous if inhaled. Therefore, it is important to avoid breathing in these fumes and gases. Using adequate ventilation can help in preventing the inhalation of these hazardous substances.

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9.

9. The work clamp must be securely attached to the _____________before the start of the welding operation.
- A.
  
  Tools
- B.
  
  Work
- C.
  
  Machine
- D.
  
  Lathe or mill
Correct Answer
B. Work

Explanation
Before starting the welding operation, it is necessary to securely attach the work clamp to the workpiece. The work clamp is used to hold the workpiece in place and provide a stable connection for the welding process. Without a secure attachment, the workpiece may move or become unstable during welding, leading to poor weld quality or potential safety hazards. Therefore, it is crucial to ensure that the work clamp is securely attached to the workpiece before starting the welding operation.

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10.

10. When welding is done near other ___________, screens should be used to protect their eyes from the arc or reflected glare.
- A.
  
  Animals
- B.
  
  Personnel or students
- C.
  
  Computers
- D.
  
  Plants
Correct Answer
B. Personnel or students

Explanation
When welding is done near other personnel or students, screens should be used to protect their eyes from the arc or reflected glare. This is because welding produces intense light and heat, which can cause eye damage if proper precautions are not taken. Screens act as a barrier, blocking the harmful rays and preventing them from reaching the eyes of nearby individuals. This ensures the safety and well-being of personnel or students who may be present in the welding area.

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Current Version
Mar 22, 2023

Quiz Edited by
ProProfs Editorial Team
Feb 21, 2014

Quiz Created by
Mfgtech

ARC Welding Safety

1. Remove stub ends immediately after welding; do not leave an electrode ________ with a stub end in it.

4. Use safety goggles and a hand shield or helmet equipped with a suitable ________ glass to protect against the intense ultraviolet and infrared rays.

3. Mark all hot metal after welding operations are completed. _____________is commonly used for this purpose.

2. Remove all _____________ material such as cotton, oil, gasoline, etc., from the vicinity of welding.

6. Flameproof aprons or jackets made of leather, fire resistant material, or other suitable material should be worn for ____________ against spatter of molten metal, radiated heat, and sparks.

5.Welders must wear safety glasses. When using chippers and grinders, use face shields in _________ to safety glasses.

8.Do not operate the _________switch while the machine is operating under welding current load. Consequent arcing at the switch will damage the contact surfaces and the flash may burn the person operating the switch.

7. Welding may produce fumes and gases _________ to health. Avoid breathing these fumes and gases. Use adequate ventilation.

9. The work clamp must be securely attached to the _____________before the start of the welding operation.

10. When welding is done near other ___________, screens should be used to protect their eyes from the arc or reflected glare.