Theory of Machine In an open pair, the two elements of a pair Have a line or point contact when in motion Are not held together mechanically Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Are not held together mechanically Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body having moment of inertia o:m2 is rotating at 210 RPM and r with another body at rest having I 40 kg m2. The resultant speed after ing will be 90 RPM data are insufficient 100 RPM 80 RPM 90 RPM data are insufficient 100 RPM 80 RPM ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be unstable when the controlling force Increases as the radius of rotation increases Increases as the radius of rotation decreases Remains constant for all radii of rotation Decreases as the radius of rotation increases Increases as the radius of rotation increases Increases as the radius of rotation decreases Remains constant for all radii of rotation Decreases as the radius of rotation increases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whitworth quick return mechanism is obtained by inversion of Slider crank mechanism Kinematic chain Roller cam mechanism Five link mechanism Slider crank mechanism Kinematic chain Roller cam mechanism Five link mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A) vBA × AB vBA /AB v²BA /AB v²BA vBA × AB vBA /AB v²BA /AB v²BA ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be 625°K 600°K 700°K 650°K 625°K 600°K 700°K 650°K ANSWER DOWNLOAD EXAMIANS APP
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