Theory of Machine The essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where l₁ and l₂ = Distance of two masses from the centre of gravity of the body, and kG = Radius of gyration of the body) l₁l₂ = kG² l₁ = kG l₁l₂ = kG l₂ = kG l₁l₂ = kG² l₁ = kG l₁l₂ = kG l₂ = kG 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 Oscillate with constant amplitude 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The partial balancing of reciprocating parts in locomotives produces Swaying couple Variation in tractive force along the line of stroke All of these Hammer blow Swaying couple Variation in tractive force along the line of stroke All of these Hammer blow ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Effort of a governor is the None of these Mean force exerted at the sleeve for a given percentage change of speed Mean force exerted at the sleeve for maximum equilibrium speed Work-done at the sleeve for maximum equilibrium speed None of these Mean force exerted at the sleeve for a given percentage change of speed Mean force exerted at the sleeve for maximum equilibrium speed Work-done at the sleeve for maximum equilibrium speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a ball bearing, ball and bearing forms a Spherical pair Rolling pair Screw pair Turning pair Spherical pair Rolling pair Screw pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where δ = Static deflection of a simply supported shaft due to the point load) 0.4985/√δ 0.571/√δ 0.6253/√δ 0.5615/√δ 0.4985/√δ 0.571/√δ 0.6253/√δ 0.5615/√δ ANSWER DOWNLOAD EXAMIANS APP
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