When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in __________ directions.

A. Same

B. Opposite

C. Perpendicular

D. None of these

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  1. Which of the following is an example of sliding pair?
  2. In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance…
  3. The mechanism in which two are turning pairs and two are sliding pairs, is called a
  4. The factor which affects the critical speed of a shaft is
  5. Transmission angle is the angle between
  6. The centre of gravity of a coupler link in a four bar mechanism will experience
  7. The pressure angle of a cam is the angle between the direction of the follower motion and a normal to…
  8. In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted…
  9. The working depth of a gear is the radial distance from the
  10. The secondary unbalanced force is maximum __________ in one revolution of the crank.
  11. A rotor supported at A and B carries two masses as shown in the below figure. The rotor is
  12. The velocity of sliding __________ the distance of the point of contact from the pitch point.
  13. Which of the following is used to control the speed variations of the engine caused by the fluctuations…
  14. Pulley in a belt drive acts as
  15. The direction of linear velocity of any point on a link with respect to another point on the same link…
  16. The following is the inversion of slider crank chain mechanism
  17. The absolute acceleration of any point P in a link about center of rotation O is
  18. The partial balancing of reciprocating parts in locomotives produces
  19. Which of the following mechanism is obtained from lower pair?
  20. To transmit power from one rotating shaft to another whose axes are neither parallel nor intersecting,…
  21. The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness…
  22. The example of higher pair is
  23. When a point at the end of a link moves with constant angular velocity, its acceleration will have
  24. A body of weight W is required to move up the rough inclined plane whose angle of inclination with the…
  25. In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line…
  26. When a mass of a critically damped single degree of freedom system is deflected from its equilibrium…
  27. The centre distance between two meshing involute gears is equal to
  28. A rigid body possesses ________degrees of freedom
  29. With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment…
  30. Torsional vibrations are said to occur when the particles of a body moves