Theory of Machine Whitworth quick return mechanism is obtained by inversion of Five link mechanism Roller cam mechanism Slider crank mechanism Kinematic chain Five link mechanism Roller cam mechanism Slider crank mechanism Kinematic chain ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The height of a Watt's governor (in meters) is equal to (where N = Speed of the arm and ball about the spindle axis) 8.95/N² 89.5/N² 8950/N² 895/N² 8.95/N² 89.5/N² 8950/N² 895/N² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively) (1/2). μ W (r₁ + r₂) (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W (r₁ + r₂) (1/2). μ W (r₁ + r₂) (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Effort of a governor is the Mean force exerted at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed None of these Work-done at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed None of these Work-done at the sleeve for maximum equilibrium speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of sliding of meshing gear teeth is(Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁ × ω₂) y (ω₁/ω₂) y (ω₁ + ω₂) y (ω₁ + ω₂)/y (ω₁ × ω₂) y (ω₁/ω₂) y (ω₁ + ω₂) y (ω₁ + ω₂)/y ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A. A triangle A point A straight line A triangle Two lines A point A straight line A triangle Two lines ANSWER DOWNLOAD EXAMIANS APP