Theory of Machine A spring controlled governor is found unstable. It can be made stable by Decreasing the spring stiffness Increasing the spring stiffness Increasing the ball mass Decreasing the ball mass Decreasing the spring stiffness Increasing the spring stiffness Increasing the ball mass Decreasing the ball mass ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because Bearing centre line coincides with the axis The system is unbalanced The shafts are rotating at very high speeds Resonance is caused due to the heavy mass of the rotor Bearing centre line coincides with the axis The system is unbalanced The shafts are rotating at very high speeds Resonance is caused due to the heavy mass of the rotor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links in pantograph mechanism is equal to 5 4 2 3 5 4 2 3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an inversion of a single slider crank chain? Rotary internal combustion engine Pendulum pump Oscillating cylinder engine All of these Rotary internal combustion engine Pendulum pump Oscillating cylinder engine All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be stable if the controlling force line when produced intersects the Y-axis Any one of these Above the origin At the origin Below the origin Any one of these Above the origin At the origin Below the origin 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) ¾μWR μwr ½μWR ²/₃ μWR ¾μWR μwr ½μWR ²/₃ μWR ANSWER DOWNLOAD EXAMIANS APP
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