41. Idler pulley is used
42. Sense of tangential acceleration of a link
43. When a point at the end of a link moves with constant angular velocity, its acceleration will have
44. When a point moves along a straight line, its acceleration will have
45. For a kinematic chain to be considered as mechanism
46. In a simple train of wheels, the velocity ratio __________ the intermediate wheels.
47. The power of a Porter governor is equal to
48. According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centers will lie on a
49. Which gear is used for connecting two coplanar and intersecting shafts?
50. In the below figure, PC is the connecting rod and OC is the crank making an angle $$\theta $$ with the line of stroke PO and rotates with uniform angular velocity at $$\omega $$ rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other.
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