Hart mechanism has
Eight links
Six links
Four links
Twelve links
- The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's…
- A spring controlled governor is said to be stable if the controlling force line when produced intersects…
- The following is the inversion of slider crank chain mechanism
- The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle)
- In a ball bearing, ball and bearing forms a
- The gears are termed as medium velocity gears, if their peripheral velocity is
- In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted…
- Cylindrical cams can be classified as
- The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass.…
- The critical speed of a shaft depends upon its
- A rigid body possesses ________degrees of freedom
- The relation between the controlling force (Fc) and radius of rotation (r) for a stable spring controlled…
- The example of higher pair is
- The two elements of a pair are said to form a _________ when they permit relative motion between them.
- The dynamic friction is the friction experienced by a body, when the body
- 3.The retardation of a flat faced follower when it has contact at the apex of the nose of a circular…
- Maximum fluctuation of energy in a flywheel is equal to [where I = Mass moment of inertia of the flywheel,…
- In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line…
- The component of the acceleration, perpendicular to the velocity of the particle, at the given instant…
- In order to give the primary balance of the reciprocating parts of a multi-cylinder inline engines,
- In order to balance the reciprocating masses,
- For low and moderate speed engines, the cam follower should move with
- A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved…
- For the brake to be self locking, the force P at C shown in the below figure, should
- Longitudinal vibrations are said to occur when the particles of a body moves
- Which of the following is a higher pair?
- The steering of a ship means
- The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in
- In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation…
- Module of a gear is