Theory of Machine The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure, is (1/2). μ W cosecα (r₁ + r₂) (1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα (r₁ + r₂) (1/2). μ W cosecα (r₁ + r₂) (1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is found unstable. It can be made stable by Decreasing the spring stiffness Decreasing the ball mass Increasing the ball mass Increasing the spring stiffness Decreasing the spring stiffness Decreasing the ball mass Increasing the ball mass Increasing the spring stiffness ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The factional torque for square thread at the mean radius r while raising load W is given by T = W.r tan(φ + α) T = W.r tan(φ - α) T = W.r tanφ T = W.r tanα T = W.r tan(φ + α) T = W.r tan(φ - α) T = W.r tanφ T = W.r tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to balance the reciprocating masses, None of these Both (A) and (B) Primary forces and couples must be balanced Secondary forces and couples must be balanced None of these Both (A) and (B) Primary forces and couples must be balanced Secondary forces and couples must be balanced ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the radius of gyration of a compound pendulum about an axis through e.g. is more, then its frequency of oscillation will be More Same Less Data are insufficient to determine same More Same Less Data are insufficient to determine same 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
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