Theory of Machine Creep in belt drive is due to Material of the pulley Larger size of the driver pulley Uneven extensions and contractions due to varying tension Material of the belt Material of the pulley Larger size of the driver pulley Uneven extensions and contractions due to varying tension Material of the belt ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Instantaneous center of rotation of a link in a four bar mechanism lies on A point obtained by intersection on extending adjoining links Right side pivot of this link Can’t occur Left side pivot of this link A point obtained by intersection on extending adjoining links Right side pivot of this link Can’t occur Left side pivot of this link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When there is a reduction in amplitude over every cycle of vibration, then the body is said to have Damped vibration Under damped vibration Free vibration Forced vibration Damped vibration Under damped vibration Free vibration Forced vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The method of direct and reverse cranks is used in engines for Vibration analysis The control of speed fluctuations Kinematic analysis Balancing of forces and couples Vibration analysis The control of speed fluctuations Kinematic analysis Balancing of forces and couples ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary 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 (sin 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (cos 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A) vBA /AB v²BA /AB vBA × AB v²BA vBA /AB v²BA /AB vBA × AB v²BA ANSWER DOWNLOAD EXAMIANS APP
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