In under damped vibrating system, the amplitude of vibration
Decreases linearly with time
Increases linearly with time
Decreases exponentially with time
Increases exponentially with time
- Longitudinal vibrations are said to occur when the particles of a body moves
- When the belt is stationary, it is subjected to some tension known as initial tension. The value of…
- In a flat collar pivot bearing, the moment due to friction is proportional to
- A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected…
- In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative…
- The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness…
- The example of completely constrained motion is a
- A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution…
- A mechanism is an assemblage of
- A circular bar moving in a round hole is an example of
- Cylindrical cams can be classified as
- Which one of the following can completely balance several masses revolving in different planes on a…
- A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure,…
- Which of the following is used to control the speed variations of the engine caused by the fluctuations…
- In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance…
- Inertia force acts
- The example of rolling pair is
- Which of the following statement is correct?
- Which is the false statement about the properties of instantaneous centre?
- Which of the following disciplines provides study of the relative motion between the parts of a machine…
- In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and…
- The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity…
- If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for…
- The power of a Porter governor is equal to
- Consider the following mechanisms:1. Oscillating cylinder engine mechanism2. Toggle mechanism3. Radial…
- In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line…
- The main disadvantage of the sliding pair is that it is
- With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel…
- The displacement of a flat faced follower when it has contact with the flank of a circular arc cam,…
- In S.H.M., acceleration is proportional to