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A shaft is subjected to a torque varying between –1000 N.mm to 4000 N.mm The yield strength and endurance strength of material in shear is 300 MPa and 250 MPa. Determine the required diameter of the steel shaft using factor of safety of 2.
  • a)
    4.7 mm
  • b)
    5.35 mm
  • c)
    12.34 mm
  • d)
    3.52 mm
Correct answer is option 'B'. Can you explain this answer?
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A shaft is subjected to a torque varying between –1000 N.mm to 4...
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A shaft is subjected to a torque varying between –1000 N.mm to 4...
A minimum value and a maximum value. The torque variation can be caused by various factors such as changes in loading conditions, changes in speed, or changes in the power being transmitted. It is important to consider this torque variation when designing and analyzing the shaft to ensure that it can withstand the maximum torque and avoid failure.

To handle this torque variation, the shaft should be designed with sufficient strength and stiffness. The material selection is crucial, as it should have high strength and good fatigue resistance to withstand the cyclic loading. The diameter and length of the shaft should also be determined based on the maximum torque and the desired safety factor.

In addition to the mechanical design, it is also important to consider the dynamic behavior of the shaft. The torque variation can induce torsional vibrations, which can lead to resonance and potential failure. Therefore, damping measures such as adding dampers or using materials with high damping properties should be considered to reduce the vibrations and prevent fatigue failure.

To analyze the shaft under torque variation, various methods can be used such as finite element analysis (FEA) or analytical calculations. These methods can provide insights into the stress distribution, deformation, and natural frequencies of the shaft. By analyzing these factors, the design can be optimized to ensure the shaft's performance and durability.

Overall, when a shaft is subjected to torque variation, it is important to consider the mechanical design, material selection, dynamic behavior, and analysis methods to ensure its safe and reliable operation.
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A shaft is subjected to a torque varying between –1000 N.mm to 4...
B
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A shaft is subjected to a torque varying between –1000 N.mm to 4000 N.mm The yield strength and endurance strength of material in shear is 300 MPa and 250 MPa. Determine the required diameter of the steel shaft using factor of safety of 2.a)4.7 mmb)5.35 mmc)12.34 mmd)3.52 mmCorrect answer is option 'B'. Can you explain this answer?
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A shaft is subjected to a torque varying between –1000 N.mm to 4000 N.mm The yield strength and endurance strength of material in shear is 300 MPa and 250 MPa. Determine the required diameter of the steel shaft using factor of safety of 2.a)4.7 mmb)5.35 mmc)12.34 mmd)3.52 mmCorrect 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 A shaft is subjected to a torque varying between –1000 N.mm to 4000 N.mm The yield strength and endurance strength of material in shear is 300 MPa and 250 MPa. Determine the required diameter of the steel shaft using factor of safety of 2.a)4.7 mmb)5.35 mmc)12.34 mmd)3.52 mmCorrect 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 A shaft is subjected to a torque varying between –1000 N.mm to 4000 N.mm The yield strength and endurance strength of material in shear is 300 MPa and 250 MPa. Determine the required diameter of the steel shaft using factor of safety of 2.a)4.7 mmb)5.35 mmc)12.34 mmd)3.52 mmCorrect answer is option 'B'. Can you explain this answer?.
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