Self-closed

Force-closed

Friction closed

None of these

**Length of arc of contact is given by****The Klein's diagram is used when****The primary unbalanced force is maximum _________ in one revolution of the crank.****The frequency of oscillation at compared to earth will be****Torsional vibrations are said to occur when the particles of a body moves****Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of a cross…****The train value of a gear train is****The acceleration of the reciprocating roller follower when it has contact with the straight flanks of…****The motion between a pair which takes place in __________ is known as incompletely constrained motion.****A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx…****The lower pairs are __________ pairs.****In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam…****The inversion of a mechanism is****The load cup of a screw jack is made separate from the head of the spindle to****The example of completely constrained motion is a****In a differential band brake as shown in the below figure, the drum rotates anticlockwise and the greater…****Under logarithmic decrement, the amplitude of successive vibrations are****The absolute acceleration of any point P in a link about center of rotation O is****When the sleeve of a Porter governor moves downwards, the governor speed****The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations.****The example of higher pair is****According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie…****Lower pairs are those which have****For an isochronous Hartnell governor (where r₁ and r₂ = Maximum and minimum radius of…****The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity…****In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and…****Ball and a Socket forms a****The frictional torque transmitted in a conical pivot bearing, considering uniform wear, is****The unbalanced primary forces in a reciprocating engine are****In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is…**