Typewriter constitutes__________________?
Typewriter constitutes__________________?
A. machine
B. structure
C. mechanism
D. inversion
E. none of the above
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The number of links in pantograph mechanism is equal to______________?
The number of links in pantograph mechanism is equal to______________?A. 2
B. 3
C. 4
D. 5
E. 6.The magnitude of tangential acceleration is equal to____________________?
The magnitude of tangential acceleration is equal to____________________?A. velocity2 x crank radius
B. velocityvcrankradius
C. (velocity/crankradius)
D. velocity x crank radius2
E. none of the aboveOldham’s coupling is the ____________________?
Oldham’s coupling is the ____________________?A. second inversion of double slider crank chain
B. third inversion of double slider crank chain
C. second inversion of single slider crank chain
D. third inversion of slider crank chain
E. fourth inversion of double slider crank chainIn above example, the minimum length of the coupler will be__________________?
In above example, the minimum length of the coupler will be__________________?A. 45 mm
B. slightly less than 45 mm
C. slightly more than 45 mm
D. 95 mm
E. none of the aboveThe lower pair is a_____________________?
The lower pair is a_____________________?A. open pair
B. closed pair
C. sliding pair
D. point contact pair
E. does not existAngle of action of cam is defined as the angle ____________________?
Angle of action of cam is defined as the angle ____________________?A. during which the follower returns to its initial position
B. of rotation of the cam for a definite displacement of the follower
C. through which the cam rotates during the period in which the follower remains in the highest position
D. moved by the cam from the instant the follower begins to rise, till it reaches its highest position
E. moved by the cam from beginning of ascent to the termination of descent