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Consider the following statements pertaining to plasma arc cutting:
1. Plasma is a hot ionized gas.
2. Plasma can produce very high temperatures.
3. Plasma arc cutting is used only for electrically conductive metals.
4. Wider kerf is produced.
1. Plasma is a hot ionized gas.
2. Plasma can produce very high temperatures.
3. Plasma arc cutting is used only for electrically conductive metals.
4. Wider kerf is produced.
Which of the above are correct?
- a)1 and 2
- b)1,2 and 3
- c)2, 3 and 4
- d)al! of the above
Correct answer is option 'B'. Can you explain this answer?
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Consider the following statements pertaining to plasma arc cutting:1. ...
Plasma arc cutting produces very narrow kerf and minimum HA
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Consider the following statements pertaining to plasma arc cutting:1. ...
Introduction:
Plasma arc cutting is a thermal cutting process that utilizes a high-velocity jet of ionized gas, known as plasma, to melt and remove material from a workpiece. It is commonly used in various industries for cutting electrically conductive metals. Let's analyze each statement to determine which ones are correct.
Analysis:
Statement 1: Plasma is a hot ionized gas.
- This statement is correct. Plasma is considered as the fourth state of matter, and it is formed when a gas is heated to a very high temperature or subjected to a strong electromagnetic field. The gas becomes ionized, meaning it contains free electrons and positive ions.
Statement 2: Plasma can produce very high temperatures.
- This statement is correct. Plasma can reach extremely high temperatures, often exceeding 20,000 degrees Celsius. The high temperature is a result of the ionization process, which causes the gas particles to gain significant energy.
Statement 3: Plasma arc cutting is used only for electrically conductive metals.
- This statement is incorrect. While plasma arc cutting is primarily used for electrically conductive metals such as steel, stainless steel, aluminum, copper, and brass, it can also be used for other materials. Non-conductive materials like ceramics and composites can be cut using a plasma arc when combined with a secondary gas called a "shroud gas" that provides the necessary conductivity.
Statement 4: Wider kerf is produced.
- This statement is incorrect. Kerf refers to the width of the cut produced by a cutting process. Plasma arc cutting is known for its narrow kerf, which is the result of the highly focused and concentrated plasma jet. The narrow kerf allows for precise cutting and minimal material wastage.
Conclusion:
Analyzing the statements, we can conclude that statements 1, 2, and 3 are correct while statement 4 is incorrect. Therefore, the correct answer is option 'b' - 1, 2, and 3.
Plasma arc cutting is a thermal cutting process that utilizes a high-velocity jet of ionized gas, known as plasma, to melt and remove material from a workpiece. It is commonly used in various industries for cutting electrically conductive metals. Let's analyze each statement to determine which ones are correct.
Analysis:
Statement 1: Plasma is a hot ionized gas.
- This statement is correct. Plasma is considered as the fourth state of matter, and it is formed when a gas is heated to a very high temperature or subjected to a strong electromagnetic field. The gas becomes ionized, meaning it contains free electrons and positive ions.
Statement 2: Plasma can produce very high temperatures.
- This statement is correct. Plasma can reach extremely high temperatures, often exceeding 20,000 degrees Celsius. The high temperature is a result of the ionization process, which causes the gas particles to gain significant energy.
Statement 3: Plasma arc cutting is used only for electrically conductive metals.
- This statement is incorrect. While plasma arc cutting is primarily used for electrically conductive metals such as steel, stainless steel, aluminum, copper, and brass, it can also be used for other materials. Non-conductive materials like ceramics and composites can be cut using a plasma arc when combined with a secondary gas called a "shroud gas" that provides the necessary conductivity.
Statement 4: Wider kerf is produced.
- This statement is incorrect. Kerf refers to the width of the cut produced by a cutting process. Plasma arc cutting is known for its narrow kerf, which is the result of the highly focused and concentrated plasma jet. The narrow kerf allows for precise cutting and minimal material wastage.
Conclusion:
Analyzing the statements, we can conclude that statements 1, 2, and 3 are correct while statement 4 is incorrect. Therefore, the correct answer is option 'b' - 1, 2, and 3.
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Consider the following statements pertaining to plasma arc cutting:1. Plasma is a hot ionized gas.2. Plasma can produce very high temperatures.3. Plasma arc cutting is used only for electrically conductive metals.4. Wider kerf is produced.Which of the above are correct?a)1 and 2b)1,2 and 3c)2, 3 and 4d)al! of the aboveCorrect answer is option 'B'. Can you explain this answer?
Question Description
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Consider the following statements pertaining to plasma arc cutting:1. Plasma is a hot ionized gas.2. Plasma can produce very high temperatures.3. Plasma arc cutting is used only for electrically conductive metals.4. Wider kerf is produced.Which of the above are correct?a)1 and 2b)1,2 and 3c)2, 3 and 4d)al! of the aboveCorrect answer is option 'B'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Consider the following statements pertaining to plasma arc cutting:1. Plasma is a hot ionized gas.2. Plasma can produce very high temperatures.3. Plasma arc cutting is used only for electrically conductive metals.4. Wider kerf is produced.Which of the above are correct?a)1 and 2b)1,2 and 3c)2, 3 and 4d)al! of the aboveCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements pertaining to plasma arc cutting:1. Plasma is a hot ionized gas.2. Plasma can produce very high temperatures.3. Plasma arc cutting is used only for electrically conductive metals.4. Wider kerf is produced.Which of the above are correct?a)1 and 2b)1,2 and 3c)2, 3 and 4d)al! of the aboveCorrect answer is option 'B'. Can you explain this answer?.
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