Gear Trains MCQ

Test your knowledge with important Gear Trains MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Gear Trains MCQs at Bissoy

• Tooth thickness on pitch line of involute gear in terms of module (m) is equal to
  ক

  1.157 m

  খ

  1.167 m

  গ

  2 m

  ঘ

  1.5708
• The working depth of an involute gear is equal to
  ক

  addendum

  খ

  dedendum

  গ

  addendum + dedendum

  ঘ

  2 x addendum
• The gear train usually employed in clocks is a
  ক

  reverted gear train

  খ

  simple gear train

  গ

  sun and planet gear

  ঘ

  differential gear
• A differential gear in automobilies is used to
  ক

  reduce speed

  খ

  assist in changing speed

  গ

  provide jerk-free movement of vehicle

  ঘ

  help in turning
• A differential gear in an automobile is a
  ক

  simple gear train

  খ

  epicyclic gear train

  গ

  compound gear train

  ঘ

  none of the mentioned
• In a gear train, when the axes of the shafts, over which the gears are mounted, move relative to a fixed axis, is called
  ক

  simple gear train

  খ

  compound gear train

  গ

  reverted gear train

  ঘ

  epicyclic gear train
• In a clock mechanism, the gear train used to connect minute hand to hour hand, is
  ক

  epicyclic gear train

  খ

  reverted gear train

  গ

  compound gear train

  ঘ

  simple gear train
• When the axes of first and last gear are co-axial, then gear train is known as
  ক

  simple gear train

  খ

  compound gear train

  গ

  reverted gear train

  ঘ

  epicyclic gear train
• The train value of a gear train is
  ক

  equal to velocity ratio of a gear train

  খ

  reciprocal of velocity ratio of a gear train

  গ

  always greater than unity

  ঘ

  always less than unity
• In a simple gear train, if the number of idle gears is odd, then the motion of driven gear will
  ক

  be same as that of driving gear

  খ

  be opposite as that of driving gear

  গ

  depend upon the number of teeth on the driving gear

  ঘ

  none of the mentioned
• Epicyclic gears are not generally recommended due to bulky construction.
  ক

  True

  খ

  False
• Which of the following are true about epicyclic gear train?
  ক

  Fixed gear is called sun gear

  খ

  Rotating gear are called earth gear

  গ

  Crank is called sun carrier

  ঘ

  None of the listed
• If one gear is fixed while the other gear has motion of two types i.e. rotary about its own axis and rotation about axis of fixed gear, than the gear train is _____
  ক

  Epicyclic gear train

  খ

  Reverted gear train

  গ

  Kepler gear train

  ঘ

  None of the mentioned
• If centre distance between the two gears on same shaft is unequal to the centre distance on the other two gears on the second shaft, then this gear train is called reverted gear train.
  ক

  True

  খ

  False
• If driving gear rotates in CW, then driven gear will rotate in?
  ক

  CW

  খ

  ACW

  গ

  CW & ACW

  ঘ

  Can’t be determined
• A compound gear train consists of at least 3 shafts connected to each other.
  ক

  True

  খ

  False
• If driving gear rotates ACW, driven gear will rotate in which direction?
  ক

  ACW

  খ

  CW

  গ

  Both CW & ACW

  ঘ

  Can’t be determined
• If driving gear rotates CW, driven gear will rotate?
  ক

  ACW

  খ

  CW

  গ

  Both CW and ACW

  ঘ

  Can’t be determined