Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3 Hz 3π Hz 6π Hz 6 Hz 3 Hz 3π Hz 6π Hz 6 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A reed type tachometer use the principle of Longitudinal vibration Torsional vibration Transverse vibration Damped free vibration Longitudinal vibration Torsional vibration Transverse vibration Damped free vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line Not possible to determine with these data At 45° to line as per (A) Joining the corresponding points Perpendicular to line as per (A) Not possible to determine with these data At 45° to line as per (A) Joining the corresponding points Perpendicular to line as per (A) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following would constitute a link? Piston rod and cross head Piston, crank pin and crank shaft Piston, piston rod and cross head Piston and piston rod Piston rod and cross head Piston, crank pin and crank shaft Piston, piston rod and cross head Piston and piston rod ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a turning moment diagram, the variations of energy above and below the mean resisting torque line is called Maximum fluctuation of energy Fluctuation of energy None of the listed here Coefficient of fluctuation of energy Maximum fluctuation of energy Fluctuation of energy None of the listed here Coefficient of fluctuation of energy ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W tan(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W cos(α + φ) P = W tan(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP
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