Q.1
A single slider crank chain is a _______
  • a) 4-link mechanism
  • b) 3-link mechanism
  • c) 2-link mechanism
  • d) 6-link mechanism
Q.2
Bull engine is an inversion of single slider crank chain.
  • a) True
  • b) False
Q.3
Find the ratio of the time of cutting to the time of return stroke from the following information: A crank and slotted lever mechanism used in a shaper has a centre distance of 0.m between the centre of oscillation of the slotted lever and the centre of rotation of the crank. The radius of the crank is 0.m.
  • a) 1.72
  • b) 1.65
  • c) 1.81
  • d) 1.79
Q.4
Find the inclination of the slotted bar with the vertical in degrees in the extreme position from the following information: In a crank and slotted lever quick return motion mechanism, the distance between the fixed centres is 0.m and the length of the driving crank is 0.m.
  • a) 30
  • b) 45
  • c) 60
  • d) 75
Q.5
Find the ratio of the time of cutting to the time of return stroke from the following information: In a crank and slotted lever quick return motion mechanism, the distance between the fixed centres is 0.m and the length of the driving crank is 0.m.
  • a) 3
  • b) 4.5
  • c) 3.2
  • d) 2
Q.6
Find the length of stroke if the length of the slotted bar is 0.and LOS passes through the free end of the lever. Length of driving crank = 0.12m, distance between fixe centres = 0.24m. Crank and slotted lever quick return motion mechanism.
  • a) 450mm
  • b) 400mm
  • c) 500mm
  • d) 475mm
Q.7
Which of the following mechanism is mostly used in shaping and slotting machines?
  • a) Whitworth quick return motion mechanism
  • b) Bull engine
  • c) Crank and slotted lever quick return motion mechanism
  • d) Gnome engine
Q.8
In Whitworth quick return motion mechanism, the driving crank is under an accelerated motion
  • a) True
  • b) False
Q.9
Which of the following mechanism is used to convert reciprocating motion into rotary motion?
  • a) Whitworth quick return motion mechanism
  • b) Oscillating cylinder engine
  • c) Crank and slotted lever quick return motion mechanism
  • d) Gnome engine
Q.10
How many cylinders are there in Gnome engine?
  • a) 4
  • b) 5
  • c) 6
  • d) 7
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