When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be
To move the ship towards starboard
To move the ship towards port side
To raise the bow and lower the stern
To raise the stern and lower the bow
- The gear train usually employed in clocks is a
- A circular bar moving in a round hole is an example of
- A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at…
- In an open pair, the two elements of a pair
- The minimum periodic time of a compound pendulum is
- In a Hartnell governor, the compression of the spring is __________ the lift of the sleeve.
- Typewriter constitutes
- A rotary internal combustion engine has __________ cylinders.
- A mechanism consisting of four links is called a __________ mechanism.
- The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel,…
- A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping…
- A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected…
- In a reciprocating steam engine, when the crank has turned from inner dead centre through an angle θ,…
- Which of the following is a lower pair?
- The method of obtaining different mechanisms by fixing in turn different links in a kinematic chain,…
- The angle of inclination of the plane, at which the body begins to move down the plane is called
- The rotating shafts tend to vibrate violently at whirling speeds because
- The relation between number of pairs (p) forming a kinematic chain and the number of links (l) is
- Power of a governor is the
- The purpose of a link is to
- If the damping factor for a vibrating system is unity, then the system will be
- A body in motion will be subjected to coriolis acceleration when that body is
- If the radius of gyration of a compound pendulum about an axis through e.g. is more, then its frequency…
- The coriolis component of acceleration exists whenever a point moves along a path that has
- A mechanism is an assemblage of
- When the elements of a pair are kept in contact by the action of external forces, the pair is said to…
- The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ…
- At the nodal point in a shaft, the amplitude for torsional vibration will be
- One end of a helical spring is fixed while the other end carries the load W which moves with simple…
- The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure,…