Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Leads by 180° Leads by 90° Lags by 90° Are in phase Leads by 180° Leads by 90° Lags by 90° Are in phase ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) π/ω ω × 2π 2π/ω ω/2π π/ω ω × 2π 2π/ω ω/2π 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 constant amplitude Oscillate with increasing time period Oscillate with decreasing amplitude Return to equilibrium position without oscillation Oscillate with constant amplitude Oscillate with increasing time period Oscillate with decreasing amplitude ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx = F.cosω.t with usual notations. It represents Free vibration with damping Forced vibration with damping Forced vibration without damping Free vibration without damping Free vibration with damping Forced vibration with damping Forced vibration without damping Free vibration without damping ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct for involute gears? The variation in centre distance of shafts increases radial force. The interference is inherently absent. A convex flank is always in contact with concave flank. The pressure angle is constant throughout the teeth engagement. The variation in centre distance of shafts increases radial force. The interference is inherently absent. A convex flank is always in contact with concave flank. The pressure angle is constant throughout the teeth engagement. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The sensitiveness of the governor _____ as the speed range decreases. Remains unaffected Increases None of the listed here Decreases Remains unaffected Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS