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The standard specification of a grinding wheel is A-46=M-6-V-21. It means a wheel of
- a)Aluminum oxide of mesh size 6
- b)Boron carbide of mesh size 46
- c)Aluminum oxide of mesh size 46
- d)Silicon carbide of mesh size 6
Correct answer is option 'C'. Can you explain this answer?
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The standard specification of a grinding wheel is A-46=M-6-V-21. It me...
The standard specification of a grinding wheel is given as A-46=M-6-V-21. Let's break down this specification to understand the meaning of each component:
1. A-46: The letter "A" refers to the type of abrasive material used in the grinding wheel. In this case, "A" stands for aluminum oxide. Aluminum oxide is a commonly used abrasive material that is suitable for grinding a wide variety of materials.
The number "46" indicates the mesh size of the abrasive particles. Mesh size refers to the number of openings per linear inch in a sieve through which the particles can pass. In this case, a mesh size of 46 means that there are 46 openings per linear inch.
So, in summary, A-46 indicates that the grinding wheel is made of aluminum oxide with a mesh size of 46.
2. M-6: The letter "M" refers to the bond type of the grinding wheel. The bond is the material that holds the abrasive particles together. In this case, "M" stands for vitrified bond, which is a common type of bond used for grinding wheels.
The number "6" indicates the grade or hardness of the bond. A higher grade number indicates a harder bond, which means that the abrasive particles are held more securely. A harder bond is suitable for grinding hard materials and provides better precision and control.
So, M-6 indicates that the grinding wheel has a vitrified bond with a grade of 6.
3. V-21: The letter "V" refers to the structure or spacing between the abrasive particles in the grinding wheel. In this case, "V" stands for vitrified structure, which means that the particles are evenly spaced.
The number "21" indicates the density or concentration of the abrasive particles. A higher concentration number indicates a higher density of particles, which means that the grinding wheel will have a higher material removal rate.
So, V-21 indicates that the grinding wheel has a vitrified structure with a concentration of 21.
Based on the above explanations, the correct answer is option 'C': Aluminum oxide of mesh size 46.
1. A-46: The letter "A" refers to the type of abrasive material used in the grinding wheel. In this case, "A" stands for aluminum oxide. Aluminum oxide is a commonly used abrasive material that is suitable for grinding a wide variety of materials.
The number "46" indicates the mesh size of the abrasive particles. Mesh size refers to the number of openings per linear inch in a sieve through which the particles can pass. In this case, a mesh size of 46 means that there are 46 openings per linear inch.
So, in summary, A-46 indicates that the grinding wheel is made of aluminum oxide with a mesh size of 46.
2. M-6: The letter "M" refers to the bond type of the grinding wheel. The bond is the material that holds the abrasive particles together. In this case, "M" stands for vitrified bond, which is a common type of bond used for grinding wheels.
The number "6" indicates the grade or hardness of the bond. A higher grade number indicates a harder bond, which means that the abrasive particles are held more securely. A harder bond is suitable for grinding hard materials and provides better precision and control.
So, M-6 indicates that the grinding wheel has a vitrified bond with a grade of 6.
3. V-21: The letter "V" refers to the structure or spacing between the abrasive particles in the grinding wheel. In this case, "V" stands for vitrified structure, which means that the particles are evenly spaced.
The number "21" indicates the density or concentration of the abrasive particles. A higher concentration number indicates a higher density of particles, which means that the grinding wheel will have a higher material removal rate.
So, V-21 indicates that the grinding wheel has a vitrified structure with a concentration of 21.
Based on the above explanations, the correct answer is option 'C': Aluminum oxide of mesh size 46.
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The standard specification of a grinding wheel is A-46=M-6-V-21. It means a wheel ofa)Aluminum oxide of mesh size 6b)Boron carbide of mesh size 46c)Aluminum oxide of mesh size 46d)Silicon carbide of mesh size 6Correct answer is option 'C'. Can you explain this answer?
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The standard specification of a grinding wheel is A-46=M-6-V-21. It means a wheel ofa)Aluminum oxide of mesh size 6b)Boron carbide of mesh size 46c)Aluminum oxide of mesh size 46d)Silicon carbide of mesh size 6Correct answer is option 'C'. 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 The standard specification of a grinding wheel is A-46=M-6-V-21. It means a wheel ofa)Aluminum oxide of mesh size 6b)Boron carbide of mesh size 46c)Aluminum oxide of mesh size 46d)Silicon carbide of mesh size 6Correct answer is option 'C'. 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 The standard specification of a grinding wheel is A-46=M-6-V-21. It means a wheel ofa)Aluminum oxide of mesh size 6b)Boron carbide of mesh size 46c)Aluminum oxide of mesh size 46d)Silicon carbide of mesh size 6Correct answer is option 'C'. Can you explain this answer?.
The standard specification of a grinding wheel is A-46=M-6-V-21. It means a wheel ofa)Aluminum oxide of mesh size 6b)Boron carbide of mesh size 46c)Aluminum oxide of mesh size 46d)Silicon carbide of mesh size 6Correct answer is option 'C'. 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 The standard specification of a grinding wheel is A-46=M-6-V-21. It means a wheel ofa)Aluminum oxide of mesh size 6b)Boron carbide of mesh size 46c)Aluminum oxide of mesh size 46d)Silicon carbide of mesh size 6Correct answer is option 'C'. 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 The standard specification of a grinding wheel is A-46=M-6-V-21. It means a wheel ofa)Aluminum oxide of mesh size 6b)Boron carbide of mesh size 46c)Aluminum oxide of mesh size 46d)Silicon carbide of mesh size 6Correct answer is option 'C'. Can you explain this answer?.
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