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MAE 1351 Exam 2 Questions and Answers | Latest Version | 2024/2025 | Rated A+ CA$13.78
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MAE 1351 Exam 2 Questions and Answers | Latest Version | 2024/2025 | Rated A+
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MAE 1351 Exam 2 Questions and Answers | Latest Version | 2024/2025 | Rated A+ What mechanism allows a bicycle to change gears smoothly? A derailleur system shifts the chain between different gears on the cassette, enabling smooth transitions and optimizing pedaling efficiency for varying t...

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  • October 29, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • mae 1351 exam 2 questions and answers latest ver

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MAE 1351 Exam 2 Questions and
Answers | Latest Version | 2024/2025 |
Rated A+

What mechanism allows a bicycle to change gears smoothly?


✔✔A derailleur system shifts the chain between different gears on the cassette, enabling smooth

transitions and optimizing pedaling efficiency for varying terrain.




How does a flywheel contribute to the stability of a rotating system?


✔✔A flywheel stores rotational energy, helping to maintain consistent speed and balance in

mechanical systems by resisting sudden changes in motion.




What is the purpose of a pneumatic actuator in mechanical systems?


✔✔Pneumatic actuators convert compressed air energy into mechanical motion, allowing for

precise control and actuation in various applications, such as robotics and automation.




How does an electric motor transform electrical energy into mechanical energy?


✔✔An electric motor uses electromagnetic principles to create rotational motion, where

electrical current generates a magnetic field that interacts with the motor's components.



1

, In what ways can thermal conductivity impact the design of heat exchangers?


✔✔High thermal conductivity materials enhance heat transfer efficiency, while low conductivity

materials are used to minimize heat loss, affecting the overall performance of heat exchangers.




What role does a torque wrench play in assembly?


✔✔A torque wrench ensures that fasteners are tightened to the specified torque, preventing over-

tightening or under-tightening that could compromise the integrity of the assembly.




How can the choice of bearing type influence the lifespan of machinery?


✔✔Selecting the appropriate bearing type reduces friction and wear, impacting the longevity and

efficiency of machinery, especially in high-load applications.




What is the significance of a mechanical design's factor of safety?


✔✔The factor of safety provides a margin of error in design, ensuring that structures can

withstand unexpected loads or conditions without failing, thus enhancing safety.




How do sensors contribute to the automation of mechanical systems?




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