Elements of pairs held together mechanically is known as
Closed pair
Open pair
Mechanical pair
Rolling pair
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- 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