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A pantograph is a mechanism with

A. Lower pairs

B. Higher pairs

C. Rolling pairs

D. Turning pairs

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  1. When one of the links of a kinematic chain is fixed, the chain is known as a
  2. The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity…
  3. A universal joint is an example of
  4. In a reciprocating steam engine, which of the following forms a kinematic link?
  5. When a body is subjected to transverse vibrations, the stress induced in a body will be
  6. In railway axle boxes, the bearing used is
  7. Longitudinal vibrations are said to occur when the particles of a body moves
  8. The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity…
  9. The coriolis component of acceleration is taken into account for
  10. When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be
  11. When the crank is at the inner dead centre, in a reciprocating steam engine, then the acceleration of…
  12. For fluctuating loads, well suited bearing is
  13. The acceleration of a particle at any instant has two components i.e. radial component and tangential…
  14. Which of the following disciplines provides study of inertia forces arising from the combined effect…
  15. A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface.…
  16. Ball and a Socket forms a
  17. The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness…
  18. The example of completely constrained motion is a
  19. The dedendum circle diameter is equal to (where, φ = Pressure angle)
  20. Cam angle is defined as the angle
  21. The product of the diametral pitch and circular pitch is equal to
  22. The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is (Where μ =…
  23. The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r₁…
  24. When the elements of a pair are kept in contact by the action of external forces, the pair is said to…
  25. In a gear having involute teeth, the normal to the involute is a tangent to the
  26. The unbalanced force due to reciprocating masses
  27. A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure,…
  28. The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure,…
  29. In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted…
  30. In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative…