Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called Fixed instantaneous centers None of these Permanent instantaneous centers Neither fixed nor permanent instantaneous centers Fixed instantaneous centers None of these Permanent instantaneous centers Neither fixed nor permanent instantaneous centers ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum fluctuation of energy is the Difference between the maximum and minimum energies Variations of energy above and below the mean resisting torque line Ratio of the mean resisting torque to the work-done per cycle Sum of the maximum and minimum energies Difference between the maximum and minimum energies Variations of energy above and below the mean resisting torque line Ratio of the mean resisting torque to the work-done per cycle Sum of the maximum and minimum energies ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin) Iω² (1/2). I ω ωP (1/2).Iω² I ω ωP Iω² (1/2). I ω ωP (1/2).Iω² I ω ωP ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than 0.5 2 0.25 1 0.5 2 0.25 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be 650°K 700°K 600°K 625°K 650°K 700°K 600°K 625°K ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a radial cam, the follower moves Along the cam axis In a direction perpendicular to the cam axis In any direction irrespective of the cam axis In a direction parallel to the cam axis Along the cam axis In a direction perpendicular to the cam axis In any direction irrespective of the cam axis In a direction parallel to the cam axis ANSWER DOWNLOAD EXAMIANS APP
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