Theory of Machine When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than 0.25 1 0.5 2 0.25 1 0.5 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pressure angle of a cam is the angle between the direction of the follower motion and a normal to the Pitch curve Prime circle Pitch circle Base circle Pitch curve Prime circle Pitch circle Base circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of lower pair is Automobile steering gear Straight line motion mechanisms All of these Shaft revolving in a bearing Automobile steering gear Straight line motion mechanisms All of these Shaft revolving in a bearing 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 If the damping factor for a vibrating system is unity, then the system will be Without vibrations Under damped Over damped Critically damped Without vibrations Under damped Over damped Critically damped ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the compression of the spring is __________ the lift of the sleeve. Equal to Less than Greater than None of these Equal to Less than Greater than None of these ANSWER DOWNLOAD EXAMIANS APP
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