Home

For an involute gear, the ratio of base circle radius and pitch circle radius is equal to

A. sinφ

B. cosφ

C. secφ

D. cosecφ

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. In automobiles the power is transmitted from gear box to differential through
  2. An exact straight line motion mechanism is a
  3. The velocity of a flat-faced follower when it has contact with the flank of a circular arc cam, is given…
  4. The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft,…
  5. The angle of inclination of the plane, at which the body begins to move down the plane is called
  6. Whitworth quick return mechanism is obtained by inversion of
  7. A body will begin to move down an inclined plane, if the angle of inclination of the plane is ________…
  8. The steering of a ship means
  9. Which of the following governor is used to drive a gramophone?
  10. Angle of action of cam is defined as the angle
  11. The equation of motion for a single degree of freedom system with viscous damping is 4(dx²/dt²)…
  12. Klein's construction can be used to determine acceleration of various parts when the crank is at
  13. In a spring controlled governor, when the controlling force ________ as the radius of rotation increases,…
  14. Two systems shall be dynamically equivalent when
  15. The lower pair is a
  16. Which of the following is a higher pair?
  17. The dedendum circle diameter is equal to (where, φ = Pressure angle)
  18. The product of the diametral pitch and circular pitch is equal to
  19. The frictional torque transmitted in a truncated conical pivot bearing, considering uniform wear, is
  20. The axis of precession is __________ to the plane in which the axis of spin is going to rotate.
  21. In a differential band brake as shown in the below figure, the drum rotates anticlockwise and the greater…
  22. A higher pair has__________.
  23. The motion between a pair which takes place in __________ is known as incompletely constrained motion.
  24. A spring controlled governor is said to be isochronous when the controlling force
  25. In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is…
  26. The instantaneous centre of a rigid thin disc rolling on a plane rigid surface is located at
  27. The power transmitted by a belt is maximum when the maximum tension in the belt is _________ of centrifugal…
  28. The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt)…
  29. Which of the following is an inversion of a double slider crank chain?
  30. The rotating shafts tend to vibrate violently at whirling speeds because