A. incompletely constrained motion
B. partially constrained motion
C. completely constrained motion
D. successfully constrained motion
E. none of the above
Related Mcqs:
- Rectangular bar in a rectangular hole is the following type of pair__________________?
A. completely constrained motion
B. partially constrained motion
C. incompletely constrained motion
D. freely constrained motion
E. none of the above - If the opposite links of a four bar linkage are equal, the links will always form a_________________?
A. triangle
B. rectangle
C. parallelogram
D. pentagon
E. trapezoid - Instantaneous center of rotation of a link in a four bar mechanism lies on _______________?
A. right side pivot of this link
B. lift side pivot of this link
C. a point obtained by intersection on extending adjoining links
D. can’t occur
E. none of the above - In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is________________________?
A. 95 mm
B. slightly less than 95 mm
C. slightly more than 95 mm
D. 45 mm
E. none of the above - If two moving elements have surface contact in motion, such pair is known as_________________?
A. sliding pair
B. rolling pair
C. surface pair
D. lower pair
E. higher pair - Ackermann steering gear consists of_______________?
A. sliding pairs
B. turning pairs
C. rolling pairs
D. higher pairs
E. lower pairs - Which of the following is a lower pair_______________?
A. ball and socket i
B. piston and cylinder
C. cam and follower
D. A. and B. above
E. belt drive - Which of the following has sliding motion________________?
A. crank
B. connecting rod
C. crank pin
D. cross-head
E. cross head guide - Idler pulley is used___________________?
A. for changing the direction of motion of the belt
B. for applying tension
C. for increasing -velocity ratio
D. all of the above
E. none of the above - Which is the false statement about the properties of instantaneous center____________________?
A. at the instantaneous center of rotation, one rigid link rotates instantaneously relative to another for the configuration of mechanism considered
B. the two rigid links have no linear velocities relative to each other at the instantaneous centre
C. the two rigid links which have no linear velocity relative to each other at this center have the same linear velocity to the third rigid link
D. the double centre can be denoted either by 02 or Ol2, but proper selection should be made
E. none of the above
