Theory of Machine In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient. Equal to Independent of Inversely proportional to Directly proportional to Equal to Independent of Inversely proportional to Directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A cam with a roller follower would constitute following type of pair Open pair Lower pair Close pair Higher pair Open pair Lower pair Close pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be unstable when the controlling force Decreases as the radius of rotation increases Increases as the radius of rotation decreases Remains constant for all radii of rotation Increases as the radius of rotation increases Decreases as the radius of rotation increases Increases as the radius of rotation decreases Remains constant for all radii of rotation Increases as the radius of rotation increases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction) P = W tan(α + φ) P = W tan(α - φ) P = W tan(φ - α) P = W cos(α + φ) P = W tan(α + φ) P = W tan(α - φ) P = W tan(φ - α) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of a body moving with simple harmonic motion is __________ at the mean position. None of these Minimum Zero Maximum None of these Minimum Zero Maximum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The cam and follower is an example of Sliding pair Higher pair Rolling pair Lower pair Sliding pair Higher pair Rolling pair Lower pair ANSWER DOWNLOAD EXAMIANS APP