Ackermann steering gear consists of_______________?
A. sliding pairs
B. turning pairs
C. rolling pairs
D. higher pairs
E. lower pairs
Month: January 2019
The Scott-Russell mechanism consists of_________________?
The Scott-Russell mechanism consists of_________________?
A. sliding and turning pairs
B. sliding and rotary pairs
C. turning and rotary pairs
D. sliding pairs only
E. turning pairs only
Which of the following mechanism is obtained from lower pair________________?
Which of the following mechanism is obtained from lower pair________________?
A. gyroscope
B. pantograph
C. valve and valve gears
D. generated straight line motions
E. all of the above
Which of the following has sliding motion________________?
Which of the following has sliding motion________________?
A. crank
B. connecting rod
C. crank
D. cross-head
E. cross head guide
Automobile steering gear is an example of____________________?
Automobile steering gear is an example of____________________?
A. higher pair
B. sliding pair
C. turning pair
D. rotary pair
E. lower pair
Kinematic pairs are those which have two elements that ______________?
Kinematic pairs are those which have two elements that ______________?
A. have line contact
B. have surface contact
C. permit relative motion
D. are held together
E. have dynamic forces
If some links are connected such that motion between them can take place in more than one direction, it is called_______________?
If some links are connected such that motion between them can take place in more than one direction, it is called_______________?
A. incompletely constrained motion
B. partially constrained motion
C. completely constrained motion
D. successfully constrained motion
E. none of the above
Cross head and guides form a _________________?
Cross head and guides form a _________________?
A. lower pair
B. higher pair
C. turning pair
D. rolling pair
E. sliding pair
The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be________________?
The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be________________?
A. 0, and more than co2r
B. 0, and less than coV
C. 0, 0
D. cor, 0
E. none of the above
The purpose of a link is to________________?
The purpose of a link is to________________?
A. transmit motion
B. guide other links
C. act as a support
D. all of the above
E. none of the above