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 0.25 1 2 0.5 0.25 1 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ²/₃ μWR ¾μWR ½μWR μwr ²/₃ μWR ¾μWR ½μWR μwr ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine At the nodal point in a shaft, the amplitude for torsional vibration will be Maximum Infinity Minimum Zero Maximum Infinity Minimum Zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be Slightly less than 45 mm 95 mm 45 mm Slightly more than 45 mm Slightly less than 45 mm 95 mm 45 mm Slightly more than 45 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Creep in belt drive is due to Material of the belt Material of the pulley Uneven extensions and contractions due to varying tension Larger size of the driver pulley Material of the belt Material of the pulley Uneven extensions and contractions due to varying tension Larger size of the driver pulley ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body is said to be under forced vibrations, when None of these A body vibrates under the influence of external force No external force acts on a body, after giving it an initial displacement There is a reduction in amplitude after every cycle of vibration None of these A body vibrates under the influence of external force No external force acts on a body, after giving it an initial displacement There is a reduction in amplitude after every cycle of vibration ANSWER DOWNLOAD EXAMIANS APP
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