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A solid shaft of diameter 100 mm, length 1000 mm is subjected to a twisting moment ‘T’, the maximum shear stress developed in the shaft is 60 N/mm2. A hole of 50 mm diameter is now drilled throughout the length of the shaft. To developed a maximum shear stress of 60 N/ mm2 in the hollow shaft, the torque ‘ T must be reduced by 
  • a)
    T/4
  • b)
    T/8
  • c)
    T/12
  • d)
    T/16
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A solid shaft of diameter 100 mm, length 1000 mm is subjected to a twi...
For solid shaft
 ............... (i)
for hollow shaft
.................. (ii)
From (i) and (ii), we get

Hence reduced torque
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A solid shaft of diameter 100 mm, length 1000 mm is subjected to a twisting moment ‘T’, the maximum shear stress developed in the shaft is 60 N/mm2. A hole of 50 mm diameter is now drilled throughout the length of the shaft. To developed a maximum shear stress of 60 N/ mm2 in the hollow shaft, the torque ‘ T must be reduced bya)T/4b)T/8c)T/12d)T/16Correct answer is option 'D'. Can you explain this answer?
Question Description
A solid shaft of diameter 100 mm, length 1000 mm is subjected to a twisting moment ‘T’, the maximum shear stress developed in the shaft is 60 N/mm2. A hole of 50 mm diameter is now drilled throughout the length of the shaft. To developed a maximum shear stress of 60 N/ mm2 in the hollow shaft, the torque ‘ T must be reduced bya)T/4b)T/8c)T/12d)T/16Correct 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 solid shaft of diameter 100 mm, length 1000 mm is subjected to a twisting moment ‘T’, the maximum shear stress developed in the shaft is 60 N/mm2. A hole of 50 mm diameter is now drilled throughout the length of the shaft. To developed a maximum shear stress of 60 N/ mm2 in the hollow shaft, the torque ‘ T must be reduced bya)T/4b)T/8c)T/12d)T/16Correct 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 solid shaft of diameter 100 mm, length 1000 mm is subjected to a twisting moment ‘T’, the maximum shear stress developed in the shaft is 60 N/mm2. A hole of 50 mm diameter is now drilled throughout the length of the shaft. To developed a maximum shear stress of 60 N/ mm2 in the hollow shaft, the torque ‘ T must be reduced bya)T/4b)T/8c)T/12d)T/16Correct answer is option 'D'. Can you explain this answer?.
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