Theory of Machine In a ball bearing, ball and bearing forms a Rolling pair Spherical pair Screw pair Turning pair Rolling pair Spherical pair Screw pair Turning pair 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).Iω² I ω ωP (1/2). I ω ωP Iω² (1/2).Iω² I ω ωP (1/2). I ω ωP ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear. Same Less None of the listed here More Same Less None of the listed here More ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time of one oscillation for a simple pendulum is 2π. √(l/g) (1/2π). √(g/l) 2π. √(g/l) (1/2π). √(l/g) 2π. √(l/g) (1/2π). √(g/l) 2π. √(g/l) (1/2π). √(l/g) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the Sum of the tensions on the tight side and slack side of the belt Tension in the tight side of the belt Average tension of the tight side and slack side of the belt Tension in the slack side of the belt Sum of the tensions on the tight side and slack side of the belt Tension in the tight side of the belt Average tension of the tight side and slack side of the belt Tension in the slack side of the belt ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Creep in belt drive is due to Larger size of the driver pulley Material of the pulley Uneven extensions and contractions due to varying tension Material of the belt Larger size of the driver pulley Material of the pulley Uneven extensions and contractions due to varying tension Material of the belt ANSWER DOWNLOAD EXAMIANS APP
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