Theory of Machine If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 90° 180° 360° 0° 90° 180° 360° 0° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a simple train of wheels, the velocity ratio __________ the intermediate wheels. Is independent of Either A or B None of these Depends upon Is independent of Either A or B None of these Depends upon ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in Two planes Four planes A single plane Three planes Two planes Four planes A single plane Three planes ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of oscillation of a torsional pendulum is 2πr/k. √(g/l) r/2πk. √(l/g) 2πk/r. √(g/l) r/2πk. √(g/l) 2πr/k. √(g/l) r/2πk. √(l/g) 2πk/r. √(g/l) r/2πk. √(g/l) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the damping factor for a vibrating system is unity, then the system will be Critically damped Without vibrations Under damped Over damped Critically damped Without vibrations Under damped Over damped ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is 18.52 N-s/m 1.4 N-s/m 529.2 N-s/m 52.92 N-s/m 18.52 N-s/m 1.4 N-s/m 529.2 N-s/m 52.92 N-s/m ANSWER DOWNLOAD EXAMIANS APP