Theory of Machine The relative velocity of B with respect to A in a rigid link AB is At 45° to AB Along AB Perpendicular to AB Parallel to AB At 45° to AB Along AB Perpendicular to AB Parallel to AB ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The flank of the tooth is the surface of the tooth __________ the pitch surface. None of these Below At Above None of these Below At Above ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Transmission of power from the engine to the rear axle of an automobile is by means of Crown gear Hooke's joint Worm and wheel method Compound gears Crown gear Hooke's joint Worm and wheel method Compound gears ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Higher pairs are those which have Two elements that permit relative motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because Bearing centre line coincides with the axis Resonance is caused due to the heavy mass of the rotor The shafts are rotating at very high speeds The system is unbalanced Bearing centre line coincides with the axis Resonance is caused due to the heavy mass of the rotor The shafts are rotating at very high speeds The system is unbalanced 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) (1/2π). √(q/I) 2π qI 1/2π 2π. √(q/I) (1/2π). √(q/I) 2π qI 1/2π 2π. √(q/I) ANSWER DOWNLOAD EXAMIANS APP
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