Theory of Machine Two systems shall be dynamically equivalent when G. of two coincides All of these M.I. of two about an axis through e.g. is equal The mass of two are same G. of two coincides All of these M.I. of two about an axis through e.g. is equal The mass of two are same ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a mass of a critically damped single degree of freedom system is deflected from its equilibrium position and released, then it will Return to equilibrium position without oscillation Oscillate with decreasing amplitude Oscillate with increasing time period Oscillate with constant amplitude Return to equilibrium position without oscillation Oscillate with decreasing amplitude Oscillate with increasing time period Oscillate with constant amplitude ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is Kinematically sound Not sound Soundness would depend upon which link is kept fixed Data is not sufficient to determine same Kinematically sound Not sound Soundness would depend upon which link is kept fixed Data is not sufficient to determine same ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is false statement in respect of differences between machine and structure? In machines, relative motion exists between its members, whereas same does not exist in case of structures Efficiency of machines as well as structures is below 100 % Machines modify movement and work, whereas structures modify forces Machines transmit mechanical work, whereas structures transmit forces In machines, relative motion exists between its members, whereas same does not exist in case of structures Efficiency of machines as well as structures is below 100 % Machines modify movement and work, whereas structures modify forces Machines transmit mechanical work, whereas structures transmit forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of dwell of cam is defined as the angle During which the follower returns to its initial position Through which the cam rotates during the period in which the follower remains in the highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for definite displacement of the follower During which the follower returns to its initial position Through which the cam rotates during the period in which the follower remains in the highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for definite displacement of the follower ANSWER DOWNLOAD EXAMIANS APP
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