Theory of Machine In order to double the period of a simple pendulum, the length of the string should be Doubled Halved Quadrupled None of these Doubled Halved Quadrupled None of these 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 1 0.5 0.25 2 1 0.5 0.25 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The C.G. of a link in any mechanism would experience Linear acceleration Angular acceleration Both angular and linear accelerations No acceleration Linear acceleration Angular acceleration Both angular and linear accelerations No acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt) + (s/m).x = 0, if the roots of the equation are __________ then the system will be under damped. Complex conjugate Equal None of these Real Complex conjugate Equal None of these Real ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at high speed of the rotor, reaction on the left bearing is R. The right side of the bearing is shifted to a new position 2L apart from the left bearing. At the same rotor speed, dynamic reaction on the left bearing in the new arrangement will Become equal to 2R Become equal to R/2 Become equal to R/4 Remain same as before Become equal to 2R Become equal to R/2 Become equal to R/4 Remain same as before ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In automobiles the power is transmitted from gear box to differential through Bevel gear Hooke's joint Universal joint Knuckle joint Bevel gear Hooke's joint Universal joint Knuckle joint ANSWER DOWNLOAD EXAMIANS APP
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