Mcq: levers

Mcq: levers

  1. Class 1 levers have
  1. Effort between the load and the fulcrum
  2. Fulcrum placed between the effort and load
  3. Load in-between the effort and the fulcrum
  4. None

Ans: (ii)

  1. Class 2 levers have
  1. Effort between the load and the fulcrum
  2. Fulcrum placed between the effort and load
  3. Load in-between the effort and the fulcrum
  4. None

Ans: (iii)

  1. Class 3 levers have
  1. Effort between the load and the fulcrum
  2. Fulcrum placed between the effort and load
  3. Load in-between the effort and the fulcrum
  4. None

Ans: (i)

  1. Levers are classified based on
  1. where the load and effort are located with respect to the fulcrum
  2. where the fulcrum and effort are located with respect to the load
  3. where the load and fulcrum are located with respect to the effort
  4. None

Ans: (i)

  1. Select the Class 1 from the following examples of levers
  1. Stapler
  2. Crowbar
  3. Fishing rod
  4. None

Ans: (ii)

  1. Select the Class 2 from the following examples of levers
  1. Stapler
  2. Crowbar
  3.           Fishing rod
  4. None

Ans: (i)

  1. Select the Class 3 from the following examples of levers
  1. Stapler
  2. Crowbar
  3. Fishing rod
  4. None

Ans: (iii)

  1. Select the Class 1 from the following examples of levers
  1. Can opener
  2. Baseball bat
  3. Plier
  4. None

Ans: (iii)

 

  1. Select the Class 2 from the following examples of levers
  1. Can opener
  2. Baseball bat
  3. Plier
  4. None

Ans: (i)

  1. Select the Class 3 from the following examples of levers
  1. Can opener
  2. Baseball bat
  3. Plier
  4. None

Ans: (ii)

  1. Which distance is more important from the fulcrum for a lever
  1. Distance of load to be lifted
  2. Distance of the force applied
  3. Distances of both load as well as of effort
  4. None

Ans: (ii)

  1. Mechanical advantage is
  1. Distance object moved / Distance effort applied
  2. Distance effort applied / Distance object moved
  3. Distance effort applied x Distance object moved
  4. None

Ans: (i)

  1. Mechanical advantage is
  1. Input force/ Output force
  2. Output force/ Input force
  3. Input force x Output force
  4. None

Ans: (ii)

  1. Mechanical advantage is
  1. Input speed/ Output speed
  2. Output speed/ Input speed
  3. Input speed x Output speed
  4. None

Ans: (ii)

  1. The relationships between the three mechanical advantages (MA) is
  1. Distance MA = Speed MA =FORCE MA
  2. Distance MA = Speed MA = 1/FORCE MA
  3. Distance MA = 1/Speed MA = 1/FORCE MA
  4. None

Ans: (ii)

  1. Mechanical advantage in terms of output input forces and distances will be
  1. Fo Do > Fi Di
  2. Fo Do < Fi Di
  3. Fo Do = Fi Di
  4. None

Ans:(iii)

  1. A cylinder-piston configuration converts
  1. Kinetic energy into pressure energy
  2.  Pressure energy into kinetic energy
  3.  Chemical energy into kinetic energy
  4.  None

Ans: (ii)

  1. An electric motor converts
  1. Magnetic energy into kinetic energy
  2. Electric energy into magnetic energy
  3. Electric energy into mechanical energy
  4. None

Ans: (iii)

  1. An electric Generator converts
  1. Magnetic energy into kinetic energy
  2. Electric energy into magnetic energy
  3. Electric energy into mechanical energy
  4. None

Ans: (iv)

  1. An electric Generator converts
  1. Mechanical energy into kinetic energy
  2. Electric energy into kinetic energy
  3. Mechanical energy into electrical energy
  4. None

Ans: (iii)

  1. A blower converts
  1. Mechanical energy into kinetic energy
  2. Electric energy into kinetic energy
  3. Mechanical energy into electrical energy
  4. None

Ans(iii)