Theory of Machine When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to π/2 Zero π One π/2 Zero π One 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 decreasing amplitude Return to equilibrium position without oscillation Oscillate with increasing time period Oscillate with constant amplitude Oscillate with decreasing amplitude Return to equilibrium position without oscillation Oscillate with increasing time period Oscillate with constant amplitude ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whitworth quick return mechanism is obtained by inversion of Five link mechanism Roller cam mechanism Kinematic chain Slider crank mechanism Five link mechanism Roller cam mechanism Kinematic chain Slider crank mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The driving and driven shafts connected by a Hooke's joint will have equal speeds, if cotθ = cosα sinθ = ± tanα cosθ = sinα tanθ = ± cosα cotθ = cosα sinθ = ± tanα cosθ = sinα tanθ = ± cosα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) 2π qI 2π. √(q/I) 1/2π (1/2π). √(q/I) 2π qI 2π. √(q/I) 1/2π (1/2π). √(q/I) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The approximate straight line mechanism is a 3 bar linkage 8 bar linkage Four bar linkage 6 bar linkage 3 bar linkage 8 bar linkage Four bar linkage 6 bar linkage ANSWER DOWNLOAD EXAMIANS APP