ω₁.ω₂.r

(ω₁ - ω₂) r

(ω₁ + ω₂) r

(ω₁ - ω₂) 2r

**In an ideal machine, the output as compared to input is****The magnitude of linear velocity of a point B on a link AB relative to point A is (Where ω = Angular…****A rigid body possesses ________degrees of freedom****According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie…****Which of the following statement is wrong?****Which of the following property of the instantaneous centre is correct?****An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called****A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial…****ABCD is a four bar mechanism in which AB = 310 mm and CD = 450 mm. AB and CD are both perpendicular…****The power from the engine to the rear axle of an automobile is transmitted by means of****Which of the following is a spring controlled governor?****A spring controlled governor is found unstable. It can be made stable by****The periodic time of one oscillation for a simple pendulum is****The Scott-Russell mechanism consists of****The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness…****The contact ratio is given by****When the sleeve of a Porter governor moves downwards, the governor speed****The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. This may…****The Kutzbach criterion for determining the number of degrees of freedom (n) is (where l = number of…****In a multiple V-belt drive, if one of the belts is broken, then we should replace****The Grubler's criterion for determining the degrees of freedom (n) of a mechanism having plane motion…****The coriolis component of acceleration leads the sliding velocity by****For a twin cylinder V-engine, the crank positions for primary reverse cranks and secondary direct cranks…****The gear train usually employed in clocks is a****In elliptical trammels****The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating…****The ratio of maximum fluctuation of speed to the mean speed is called****The sensitiveness of the governor __________ as the speed range decreases.****In a shaper mechanism, the Coriolis component of acceleration will****A Porter governor is a**