Closed pair

Open pair

Mechanical pair

Rolling pair

**The motion between a pair which takes place in __________ is known as incompletely constrained motion.****When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal…****An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be…****The contact ratio for gears is****A system in dynamic balance implies that****Flexible coupling is used because****A rigid body, under the action of external forces, can be replaced by two masses placed at a fixed distance…****One end of a helical spring is fixed while the other end carries the load W which moves with simple…****A Hartnell governor is a****The size of a gear is usually specified by****In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted…****The frequency of oscillation at compared to earth will be****The acceleration of a particle moving with simple harmonic motion, at any instant is given by****In a simple train of wheels, the velocity ratio __________ the intermediate wheels.****A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂…****The angle of inclination of the plane, at which the body begins to move down the plane is called****Which of the following is a turning pair?****With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment…****TJIE horse power transmitted by a belt is dependent upon****The included angle for the V-belt is usually****The train value of a gear train is****The coriolis component of acceleration is taken into account for****The motion of a shaft in a circular hole is an example of****The acceleration of the particle moving with simple harmonic motion is _________ at the mean position.****There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20,…****The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating…****In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is Constant, then****Ackermann steering gear consists of****In under damped vibrating system, if x₁ and x₂ are the successive values of the amplitude…****The instantaneous centre of a rigid thin disc rolling on a plane rigid surface is located at**