Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3π Hz 6 Hz 6π Hz 3 Hz 3π Hz 6 Hz 6π Hz 3 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Instantaneous center of rotation of a link in a four bar mechanism lies on Can’t occur A point obtained by intersection on extending adjoining links Right side pivot of this link Left side pivot of this link Can’t occur A point obtained by intersection on extending adjoining links Right side pivot of this link Left side pivot of this link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The type of gears used to connect two non parallel and non intersecting shafts is Bevel gear Spur gear Helical gear Spiral gear Bevel gear Spur gear Helical gear Spiral gear ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the ________ pulley must be taken into consideration. Larger Smaller OR Larger Smaller None of the listed here Larger Smaller OR Larger Smaller None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Power of a governor is the Mean force exerted at the sleeve for maximum equilibrium speed None of these Work-done at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed Mean force exerted at the sleeve for maximum equilibrium speed None of these Work-done at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r cosφ r sinφ r tanφ (r/2) cosφ r cosφ r sinφ r tanφ (r/2) cosφ ANSWER DOWNLOAD EXAMIANS APP
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