Number of cycles per hour

Number of cycles per minute

Number of cycles per second

None of these

**If D₁ and D₂ be the diameters of driver and driven pulleys, then belt speed is proportional…****Power of a governor is the****In a screw jack, the effort required to lower the load W is given by****A system in dynamic balance implies that****Which of the following statement is correct as regard to the difference between a machine and a structure?****A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial…****The displacement of a flat faced follower when it has contact with the flank of a circular arc cam,…****The motion between a pair which takes place in __________ is known as incompletely constrained motion.****Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is****A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure,…****For simple harmonic motion of the of follower, a cosine curve represents****When the sleeve of a Porter governor moves upwards, the governor speed****Angle of dwell of cam is defined as the angle****The product of the diametral pitch and circular pitch is equal to****The instantaneous centres which vary with the configuration of mechanism are called****An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be…****Sensitiveness of the governor is defined as the ratio of the****The amplitude of vibration is always __________ the radius of the circle.****Kinematic pairs are those which have two elements that****The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane…****The Ackerman steering gear mechanism is preferred to the Davis steering gear mechanism, because****The natural frequency of free transverse vibrations due to a point load acting over a simply supported…****In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted…****A cam mechanism imparts following motion****The type of pair formed by two elements which are so connected that one is constrained to turn or revolve…****The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. This may…****In a single slider crank chain****Transmission angle is the angle between****In railway axle boxes, the bearing used is****The frictional torque transmitted in a truncated conical pivot bearing, considering uniform wear, is**