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A job shown in the figure is to be made from steel by casting process. The mould for this job is made from wooden pattern. Dimensions of the wooden pattern assuming machining allowance of 3 mm on each side, shaking allowance of 1 mm on length & width & shrinkage allowance of 3%.
  • a)
    86 x 46 x 36
  • b)
    88.58 x 47.38 x 37.08
  • c)
    87.58 x 46.38 x 36.08
  • d)
    87.58 x 46.38 x 37.08
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A job shown in the figure is to be made from steel by casting process...
Since given machining allowance is 3 mm on each side, add 3 mm on each side of the part shown in figure. The dimensions of pattern after machining will be
L = 80 + 2 x 3 = 86 mm
W = 40 + 2 x 3 =46 mm
H = 30 + 2 x 3 = 36 mm
The shrinkage allowance of 3% is added to all the dimensions of pattern. Dimension of pattern after providing shrinkage allowance of 3% will be
Given shaking allowance is 1 mm on length and width. Recall that shaking allowance is a negative allowance. Hence 1 mm has to be reduced from the calculated values of length and width side.
L = 88.58 - 1 = 87.58 mm
W = 47.38 - 1 = 46.38 mm
H = 37.08 mm
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Most Upvoted Answer
A job shown in the figure is to be made from steel by casting process...
Since given machining allowance is 3 mm on each side, add 3 mm on each side of the part shown in figure. The dimensions of pattern after machining will be
L = 80 + 2 x 3 = 86 mm
W = 40 + 2 x 3 =46 mm
H = 30 + 2 x 3 = 36 mm
The shrinkage allowance of 3% is added to all the dimensions of pattern. Dimension of pattern after providing shrinkage allowance of 3% will be
Given shaking allowance is 1 mm on length and width. Recall that shaking allowance is a negative allowance. Hence 1 mm has to be reduced from the calculated values of length and width side.
L = 88.58 - 1 = 87.58 mm
W = 47.38 - 1 = 46.38 mm
H = 37.08 mm
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Community Answer
A job shown in the figure is to be made from steel by casting process...
Since given machining allowance is 3 mm on each side, add 3 mm on each side of the part shown in figure. The dimensions of pattern after machining will be
L = 80 + 2 x 3 = 86 mm
W = 40 + 2 x 3 =46 mm
H = 30 + 2 x 3 = 36 mm
The shrinkage allowance of 3% is added to all the dimensions of pattern. Dimension of pattern after providing shrinkage allowance of 3% will be
Given shaking allowance is 1 mm on length and width. Recall that shaking allowance is a negative allowance. Hence 1 mm has to be reduced from the calculated values of length and width side.
L = 88.58 - 1 = 87.58 mm
W = 47.38 - 1 = 46.38 mm
H = 37.08 mm
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A job shown in the figure is to be made from steel by casting process. The mould for this job is made from wooden pattern. Dimensions of the wooden pattern assuming machining allowance of 3 mm on each side, shaking allowance of 1 mm on length & width & shrinkage allowance of 3%.a) 86 x 46 x 36b) 88.58 x 47.38 x 37.08c) 87.58 x 46.38 x 36.08d) 87.58 x 46.38 x 37.08Correct answer is option 'D'. Can you explain this answer?
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A job shown in the figure is to be made from steel by casting process. The mould for this job is made from wooden pattern. Dimensions of the wooden pattern assuming machining allowance of 3 mm on each side, shaking allowance of 1 mm on length & width & shrinkage allowance of 3%.a) 86 x 46 x 36b) 88.58 x 47.38 x 37.08c) 87.58 x 46.38 x 36.08d) 87.58 x 46.38 x 37.08Correct answer is option 'D'. 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 A job shown in the figure is to be made from steel by casting process. The mould for this job is made from wooden pattern. Dimensions of the wooden pattern assuming machining allowance of 3 mm on each side, shaking allowance of 1 mm on length & width & shrinkage allowance of 3%.a) 86 x 46 x 36b) 88.58 x 47.38 x 37.08c) 87.58 x 46.38 x 36.08d) 87.58 x 46.38 x 37.08Correct answer is option 'D'. 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 A job shown in the figure is to be made from steel by casting process. The mould for this job is made from wooden pattern. Dimensions of the wooden pattern assuming machining allowance of 3 mm on each side, shaking allowance of 1 mm on length & width & shrinkage allowance of 3%.a) 86 x 46 x 36b) 88.58 x 47.38 x 37.08c) 87.58 x 46.38 x 36.08d) 87.58 x 46.38 x 37.08Correct answer is option 'D'. Can you explain this answer?.
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