Theory of Machines MCQ Questions and Answers Quiz

21. Transmission angle is the angle between

  1. Input link and coupler
  2. Input link and fixed link
  3. Output link and coupler
  4. Output link and fixed link

22. What is the number of instantaneous centres for an eight link mechanism?

  1. 15
  2. 28
  3. 30
  4. 8

23. Which gear is used for connecting two coplanar and intersecting shafts?

  1. Spur gear
  2. Helical gear
  3. Bevel gear
  4. None of the above

24. Which gear train is used for higher velocity ratios in a small space?

  1. Simple gear train
  2. Compound gear train
  3. Reverted gear train
  4. Epicyclic gear train

25. Which of the following is a higher pair?

  1. Turning pair
  2. Screw pair
  3. Belt and pulley
  4. None of the above

26. Which of the following is an inversion of Single slider crank chain?

  1. Beam engine
  2. Rotary engine
  3. Oldhams coupling
  4. Elliptical trammel

27. Which of the following is an open pair?

  1. Journal bearing
  2. Ball and Socket joint
  3. Leave screw and nut
  4. None of the above

28. Which one of the following is an exact straight line mechanism using lower pairs?

  1. Watts mechanism
  2. Grasshopper mechanism
  3. Roberts mechanism
  4. Paucelliers mechanism

29. Which type of gear train is used in clock mechanism to join hour hand and minute hand?

  1. Simple gear train
  2. Compound gear train
  3. Reverted gear train
  4. Epicyclic gear train

30. Which type of gearing is used in steering system of an automobile?

  1. Rack and pinion
  2. Worm and wheel
  3. Spiral gears
  4. None of the above
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