Gears and Gear Trains

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Questions and Answers

Which type of gear is used to convert an electric motor's high speed and low torque to a shaft's requirement for low-speed high torque?

  • Bevel gear
  • Spur gear (correct)
  • Worm gear
  • Helical gear

What is the general use of gears and gear trains?

  • To change the speed of rotation
  • To change the direction of rotation
  • To increase torque
  • All of the above (correct)

Which application does NOT commonly use gears and gear trains?

  • Televisions (correct)
  • Industrial machinery
  • Cars
  • Bicycles

How can gears be classified?

<p>By the position of the axes of the shafts (B)</p> Signup and view all the answers

What is the primary function of gears?

<p>To transmit power between parallel shafts (B)</p> Signup and view all the answers

Which type of gear is used to transmit power between shafts that are not parallel?

<p>Bevel gear (A)</p> Signup and view all the answers

What is the peripheral velocity of gears?

<p>The speed at which the gears rotate (A)</p> Signup and view all the answers

What is the primary function of gear trains?

<p>To transmit power between shafts (C)</p> Signup and view all the answers

Which type of gear is used to change the direction of rotation?

<p>Bevel gear (A)</p> Signup and view all the answers

What is the purpose of using gears in bicycles?

<p>To change the speed of rotation (C)</p> Signup and view all the answers

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