When the crank is at the inner dead centre, in a reciprocating steam engine, then the acceleration of the piston will be
ω²r. (n + 1)/n
ω²r. (n - 1)/n
ω²r. n/(n + 1)
ω²r. n/(n - 1)
- Which of the following is used to control the speed variations of the engine caused by the fluctuations…
- The frictional torque transmitted in a conical pivot bearing, considering uniform wear, is
- The equation of motion for a single degree of freedom system with viscous damping is 4(dx²/dt²)…
- A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface.…
- A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the…
- In a hydrodynamic journal bearing, there is
- When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move…
- The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure,…
- Cam size depends upon
- The sensitiveness of the governor __________ as the speed range decreases.
- A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx…
- Which of the following statement is correct for involute gears?
- Pitch point on a cam is
- The Ackermann steering mechanism is preferred to the Davis type in automobiles because
- Which gear is used for connecting two coplanar and intersecting shafts?
- The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane…
- Which of the following mechanism is obtained from lower pair?
- With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel…
- Lower pairs are those which have
- The steering of a ship means
- The example of successfully constrained motion is a
- In order to give a complete secondary balance of a multi-cylinder inline engine,
- Elements of pairs held together mechanically is known as
- A shaft carrying three rotors will have
- The centre of percussion is below the centre of gravity of the body and is at a distance equal to
- Consider the following mechanisms:1. Oscillating cylinder engine mechanism2. Toggle mechanism3. Radial…
- Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is
- The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft,…
- The critical speed of a shaft with a disc supported in between is equal to the natural frequency of…
- In a radial cam, the follower moves