Theory of Machine The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as Sliding pair Rolling pair Turning pair Spherical pair Sliding pair Rolling pair Turning pair Spherical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft in revolution per second is __________ as that of natural frequency of transverse vibration. None of these Different Unpredictable Same None of these Different Unpredictable Same ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves downwards, the governor speed Decreases First increases and then decreases Increases Remain unaffected Decreases First increases and then decreases Increases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, the amplitude of vibration Increases exponentially with time Increases linearly with time Decreases exponentially with time Decreases linearly with time Increases exponentially with time Increases linearly with time Decreases exponentially with time Decreases linearly with time ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) 2π qI 1/2π (1/2π). √(q/I) 2π. √(q/I) 2π qI 1/2π (1/2π). √(q/I) 2π. √(q/I) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment up to 40° 10° 20° 30° 40° 10° 20° 30° ANSWER DOWNLOAD EXAMIANS APP
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