Theory of Machine The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is 0° and 180° 90° and 180° 180° and 360° 0° and 90° 0° and 180° 90° and 180° 180° and 360° 0° and 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring) (S₁ + S₂) / h (S₁ - S₂) / h (S₁ - S₂) / 2h (S₁ + S₂) / 2h (S₁ + S₂) / h (S₁ - S₂) / h (S₁ - S₂) / 2h (S₁ + S₂) / 2h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whitworth quick return mechanism is obtained by inversion of Kinematic chain Slider crank mechanism Five link mechanism Roller cam mechanism Kinematic chain Slider crank mechanism Five link mechanism Roller cam mechanism 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 decreases Decreases as the radius of rotation increases Increases as the radius of rotation increases Remains constant for all radii of rotation Increases as the radius of rotation decreases Decreases as the radius of rotation increases Increases as the radius of rotation increases Remains constant for all radii of rotation ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be 0, and less than coV 0, 0 0, and more than co2r cor, 0 0, and less than coV 0, 0 0, and more than co2r cor, 0 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the axes of the first and last wheels are coaxial, then the train is known as Compound train of wheels Simple train of wheels Reverted gear train Epicyclic gear train Compound train of wheels Simple train of wheels Reverted gear train Epicyclic gear train ANSWER DOWNLOAD EXAMIANS APP
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