One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where δ = Deflection of the spring)
2π. √(g/δ)
1/2π. √(g/δ)
2π. √(δ/g)
1/2π. √(δ/g)
- The frictional torque transmitted in a flat pivot bearing, considering uniform pressure, is (where μ…
- When two pulleys of different diameters are connected by means of an open belt, the angle of contact…
- The steering of a ship means
- The coriolis component of acceleration is taken into account for
- The swaying couple is due to the
- The rotating shafts tend to vibrate violently at whirling speeds because
- Hammer blow
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- The magnitude of velocities of the points on a rigid link is
- Which of the following disciplines provides study of the relative motion between the parts of a machine…
- For fluctuating loads, well suited bearing is
- A mechanism __________ for transmitting or transforming motion.
- A body is said to be under forced vibrations, when
- The relative velocity of B with respect to A in a rigid link AB is
- In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam…
- The periodic time is given by (where ω = Angular velocity of the particle in rad/s)
- Kinematic pairs are those which have
- Ball and a Socket forms a
- Typewriter constitutes
- With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment…
- The Ackerman steering gear mechanism is preferred to the Davis steering gear mechanism, because
- The unbalanced force due to reciprocating masses
- Which of the following is a turning pair?
- The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.
- A body will begin to move down an inclined plane, if the angle of inclination of the plane is ________…
- The Whitworth quick return motion mechanism is formed in a slider crank chain when the
- The ratio of the maximum displacement of the forced vibration to the deflection due to the static force,…
- Which is the false statement about the properties of instantaneous centre?
- When the speed of the engine fluctuates continuously above and below the mean speed, the governor is…
- A spring controlled governor is said to be unstable when the controlling force