When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a

A. Screw pair

B. Spherical pair

C. Turning pair

D. Sliding pair

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

You can do it
  1. When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of…
  2. The factor which affects the critical speed of a shaft is
  3. The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where…
  4. The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations.
  5. If the damping factor for a vibrating system is unity, then the system will be
  6. The instantaneous centre of a rigid thin disc rolling on a plane rigid surface is located at
  7. Ball and a Socket forms a
  8. When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled…
  9. When the axes of the first and last wheels are coaxial, then the train is known as
  10. Torsional vibrations are said to occur when the particles of a body moves
  11. A reed type tachometer use the principle of
  12. If the controlling force line for a spring controlled governor when produced intersects the Y-axis at…
  13. The magnitude of velocities of the points on a rigid link is
  14. The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where…
  15. A Porter governor is a
  16. The main disadvantage of the sliding pair is that it is
  17. The maximum fluctuation of speed is the
  18. When two pulleys of different diameters are connected by means of an open belt, the angle of contact…
  19. The lower pairs are __________ pairs.
  20. Creep in belt drive is due to
  21. V-belts are usually used for
  22. The unbalanced force due to reciprocating masses
  23. An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one…
  24. A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut…
  25. The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given…
  26. Crowning on pulleys helps
  27. The fundamental equation for correct steering is (where φ and α = Angle through which the…
  28. The swaying couple is due to the
  29. Which of the following is a lower pair?
  30. In a hydrodynamic journal bearing, there is