Mechanical Engineering: Scissor Lift Mechanism and Cranes

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Questions and Answers

What type of joints connect the rigid bars in the Grashoff Mechanism?

  • Revolute joints (correct)
  • Cylindrical joints
  • Spherical joints
  • Prismatic joints

What is the main function of cranes in construction or industrial settings?

  • To lift and move heavy objects (correct)
  • To move light objects
  • To excavate soil
  • To operate mechanical devices

What is the purpose of the scissor lift mechanism in the prototype?

  • To decrease the rotation angle
  • To make the prototype work (correct)
  • To reduce the weight of the vehicle
  • To increase the lifting height

What type of design is the prototype?

<p>Mechanically designed (A)</p>
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What is the lifting height of the automated car lifting mechanism?

<p>1.75 meters (C)</p>
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What is the significance of the Grashoff Mechanism in the study?

<p>To convert rotary motion to linear motion (B)</p>
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What is the primary concern of the principle of mechanism in mechanical design?

<p>Motion requirements (A)</p>
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What is the main objective of the AE 406, Theory of Machines course?

<p>To understand the mechanical design process (B)</p>
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What is the purpose of the design project in the Theory of Machines course?

<p>To apply theoretical knowledge to real-world problems (A)</p>
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What is the key aspect of the Automated Car Lifting Mechanism design project?

<p>Lifting and rotating the car to facilitate under chassis inspection (C)</p>
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What is the primary method used in the designing stage of the project?

<p>Manual sketching (A)</p>
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What is the main goal of the Theory of Machines course?

<p>To provide students with a theoretical background for understanding modern mechanical design (C)</p>
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What is the primary function of bevel gears?

<p>To increase output torque (B)</p>
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What is the advantage of spiral bevel gears?

<p>They can travel faster than other gears (D)</p>
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What is the purpose of the hydraulic lift system in the car lift?

<p>To lift the car 1.75 meters in the vertical plane (C)</p>
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What is the advantage of using bevel gears in industrial applications?

<p>They provide strength and a reliable transmission of force (C)</p>
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What field of engineering does the hydraulic cylinder and control unit involve?

<p>Hydraulic systems and automation (D)</p>
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What is the main reason why the hydraulic lift was chosen as a subject of the design project?

<p>It is a perfect example of the mechanical engineering field (B)</p>
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