Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 6 Hz 3 Hz 6π Hz 3π Hz 6 Hz 3 Hz 6π Hz 3π Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a spring controlled governor? Wilson-Hartnell governor Hartung governor All of these Hartnell governor Wilson-Hartnell governor Hartung governor All of these Hartnell governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For a kinematic chain to be considered as mechanism Two links should be fixed One link should be fixed None of the links should be fixed There is no such criterion Two links should be fixed One link should be fixed None of the links should be fixed There is no such criterion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft depends upon its Stiffness and eccentricity Mass Mass and stiffness Stiffness Stiffness and eccentricity Mass Mass and stiffness Stiffness ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 45° + φ/2 α = 90° + φ α = 45° - φ/2 α = 90° - φ α = 45° + φ/2 α = 90° + φ α = 45° - φ/2 α = 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the body is suspended at the point of suspension, its periodic time and frequency will be ________ as compared to the body suspended at the point of percussion. Same None of these Two times Four times Same None of these Two times Four times ANSWER DOWNLOAD EXAMIANS APP
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