Theory of Machine The critical speed of a shaft depends upon its Stiffness Mass Stiffness and eccentricity Mass and stiffness Stiffness Mass Stiffness and eccentricity Mass and stiffness ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by Knuckle joint Universal joint Flexible coupling Oldham's coupling Knuckle joint Universal joint Flexible coupling Oldham's coupling ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is false statement in respect of differences between machine and structure? Machines modify movement and work, whereas structures modify forces Machines transmit mechanical work, whereas structures transmit forces Efficiency of machines as well as structures is below 100 % In machines, relative motion exists between its members, whereas same does not exist in case of structures Machines modify movement and work, whereas structures modify forces Machines transmit mechanical work, whereas structures transmit forces Efficiency of machines as well as structures is below 100 % In machines, relative motion exists between its members, whereas same does not exist in case of structures 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 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) / 2h (S₁ - S₂) / h (S₁ + S₂) / h (S₁ - S₂) / 2h (S₁ + S₂) / 2h (S₁ - S₂) / h (S₁ + S₂) / h (S₁ - S₂) / 2h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, the transmissibility will be equal to unity, for all values of damping factor, if ω/ωn is Equal to 2 Equal to 1 Greater than 2 Less than 2 Equal to 2 Equal to 1 Greater than 2 Less than 2 ANSWER DOWNLOAD EXAMIANS APP
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