The factor which affects the critical speed of a shaft is
Diameter of disc
Span of shaft
Eccentricity
All of these
- When there is a reduction in amplitude over every cycle of vibration, then the body is said to have
- The critical speed of a shaft depends upon its
- The train value of a gear train is
- The frequency of oscillation at compared to earth will be
- Scotch yoke mechanism is used to generate
- The factor which affects the critical speed of a shaft is
- The load cup of a screw jack is made separate from the head of the spindle to
- In under damped vibrating system, the amplitude of vibration
- The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness…
- The sense of coriolis component 2 ωv is same as that of the relative velocity vector v rotated…
- An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be…
- In its simplest form, a cam mechanism consists of following number of links
- When the crank is at the inner dead centre, in a reciprocating steam engine, then the acceleration of…
- According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie…
- For an isochronous Hartnell governor (where r₁ and r₂ = Maximum and minimum radius of…
- The factional torque for square thread at the mean radius r while raising load W is given by
- The coriolis component of acceleration leads the sliding velocity by
- In a multiple V-belt drive, if one of the belts is broken, then we should replace
- The natural frequency of free transverse vibrations due to a point load acting over a simply supported…
- When a mass of a critically damped single degree of freedom system is deflected from its equilibrium…
- When brakes are applied to all the four wheels of a moving car, the distance travelled by the car before…
- According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centres…
- The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where…
- Angle of dwell of cam is defined as the angle
- The secondary unbalanced force is __________ the primary unbalanced force.
- The face of the tooth is the
- The inversion of a mechanism is
- The stress induced in a body will be shear stress, when it is subjected to
- A watt's governor can work satisfactorily at speeds from
- In a simple harmonic motion, the velocity vector with respect to displacement vector