Theory of Machine In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and min. radii of rotation, x = Length of ball arm of the lever, and y = Length of sleeve arm of the lever) (r₁ + r₂) (y/x) (r₁ - r₂) (y/x) (r₁ + r₂) (x/y) (r₁ - r₂) (x/y) (r₁ + r₂) (y/x) (r₁ - r₂) (y/x) (r₁ + r₂) (x/y) (r₁ - r₂) (x/y) 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) (2/3). μ W (r₁ + r₂) (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W (r₁ + r₂) (2/3). μ W (r₁ + r₂) (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pressure angle of a cam depends upon Offset between center lines of cam and follower Lift of follower Angle of ascent All of these Offset between center lines of cam and follower Lift of follower Angle of ascent All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of the piston will be ω² r {n/(n - 1)} ω² r {(n + 1)/n} ω² r {(n - 1)/n} ω² r {n/(n + 1)} ω² r {n/(n - 1)} ω² r {(n + 1)/n} ω² r {(n - 1)/n} ω² r {n/(n + 1)} ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The method of direct and reverse cranks is used in engines for The control of speed fluctuations Vibration analysis Balancing of forces and couples Kinematic analysis The control of speed fluctuations Vibration analysis Balancing of forces and couples Kinematic analysis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Porter governor is a Inertia governor Pendulum type governor Spring loaded governor Dead weight governor Inertia governor Pendulum type governor Spring loaded governor Dead weight governor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS