The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is (Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing)
μwr
¾μWR
(2/3) μWR
½μWR
Also checkout these categories
Biological Classification MCQ Software Engineering MCQ Angiosperms (Morphology) MCQ Atomic Structure MCQ Articles MCQ Phylum - Reptilia MCQ Fill in the blanks MCQ Additional Chemistry (Inorganic) MCQ Alligation or Mixture MCQ Accounts Fundamental MCQ Pipes and Cistern MCQ Fact MCQ
- The coriolis component of acceleration depends upon
- In a simple train of wheels, the velocity ratio __________ the intermediate wheels.
- For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively,…
- In under damped vibrating system, if x₁ and x₂ are the successive values of the amplitude…
- The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass.…
- In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without…
- The maximum fluctuation of speed is the
- Two heavy rotating masses are connected by shafts of lengths l₁, l₂ and l₃ and…
- Whitworth quick return mechanism is obtained by inversion of
- In vibration isolation system, the transmissibility will be equal to unity, for all values of damping…
- In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders,…
- The contact ratio for gears is
- When the belt is stationary, it is subjected to some tension known as initial tension. The value of…
- The cam follower generally used in automobile engines is
- Which of the following statement is correct?
- If the controlling force line for a spring controlled governor when produced intersects the Y-axis at…
- Two systems shall be dynamically equivalent when
- In a reciprocating steam engine, which of the following forms a kinematic link?
- The number of centers in a crank driven slider crank mechanism is
- The maximum value of the pressure angle in case of cam is kept as
- Which of the following property of the instantaneous centre is correct?
- The secondary unbalanced force is maximum __________ in one revolution of the crank.
- A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut…
- The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke…
- Pitch point on a cam is
- The coriolis component of acceleration exists whenever a point moves along a path that has
- Critical damping is a function of
- The minimum periodic time of a compound pendulum is
- In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set…
- A foot step bearing and rotor of a vertical turbine form examples of