Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience Only angular acceleration Only linear acceleration Both linear and angular acceleration No acceleration Only angular acceleration Only linear acceleration Both linear and angular acceleration No acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a Turning pair Screw pair Spherical pair Sliding pair Turning pair Screw pair Spherical pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A rigid body possesses ________degrees of freedom One Two Four Six One Two Four Six ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Critical damping is a function of Mass and stiffness Damping coefficient and natural frequency Mass and damping coefficient Mass and natural frequency Mass and stiffness Damping coefficient and natural frequency Mass and damping coefficient Mass and natural frequency ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located at a distance of 2 mm from the axis of the shaft. When the shaft is allowed to vibrate in its natural bow-shaped mode, it has a frequency of vibration of 10 rad/s. When the shaft is rotated at 300 r.p.m., it will whirl with a radius of 3.0 mm 2.22 mm 2.50 mm 2 mm 3.0 mm 2.22 mm 2.50 mm 2 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to 180° and 270° 270° and 360° 45° and 225° 90° and 180° 180° and 270° 270° and 360° 45° and 225° 90° and 180° ANSWER DOWNLOAD EXAMIANS APP
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