Theory of Machine The minimum force required to slide a body of weight W on a rough horizontal plane is W cosecθ W cosθ W tanθ W sinθ W cosecθ W cosθ W tanθ W sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Tangential acceleration direction is Along the angular velocity Perpendicular to angular velocity May be any one of these Opposite to angular velocity Along the angular velocity Perpendicular to angular velocity May be any one of these Opposite to angular velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves downwards, the governor speed Decreases Increases First increases and then decreases Remain unaffected Decreases Increases First increases and then decreases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.4 0.2 0.8 0.6 0.4 0.2 0.8 0.6 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 without damping 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct for involute gears? The pressure angle is constant throughout the teeth engagement. The variation in centre distance of shafts increases radial force. A convex flank is always in contact with concave flank. The interference is inherently absent. The pressure angle is constant throughout the teeth engagement. The variation in centre distance of shafts increases radial force. A convex flank is always in contact with concave flank. The interference is inherently absent. ANSWER DOWNLOAD EXAMIANS APP
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