Theory of Machine A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the Radius of journal Magnitude of the forces on journal Clearance between journal and bearing Angular velocity of journal Radius of journal Magnitude of the forces on journal Clearance between journal and bearing Angular velocity of journal ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure, is (1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosecα (r₁ + r₂) (2/3). μ W cosecα (r₁ + r₂) (1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosecα (r₁ + r₂) (2/3). μ W cosecα (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The motion between a pair when limited to a definite direction, irrespective of the direction of force applied, is known as Successfully constrained motion Incompletely constrained motion Completely constrained motion None of these Successfully constrained motion Incompletely constrained motion Completely constrained motion None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is an approximate straight line motion mechanism? Watt's mechanism Grasshopper mechanism All of these Robert's mechanism Watt's mechanism Grasshopper mechanism All of these Robert's mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The sense of Coriolis component 2 ωv is same as that of the relative velocity vector v rotated at 90° in the direction of rotation of the link containing the path 180° in the direction opposite to the rotation of the link containing the path 45° in the direction of rotation of the link containing the path 45° in the direction opposite to the rotation of the link containing the path 90° in the direction of rotation of the link containing the path 180° in the direction opposite to the rotation of the link containing the path 45° in the direction of rotation of the link containing the path 45° in the direction opposite to the rotation of the link containing the path ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Shaft tends to vibrate in longitudinal direction Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Torsional vibrations occur Shaft tends to vibrate in longitudinal direction Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Torsional vibrations occur ANSWER DOWNLOAD EXAMIANS APP
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