Theory of Machine The contact ratio is given by (Length of the arc of approach)/cosφ (Length of the arc of contact)/(Circular pitch) (Length of path of recess)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of the arc of contact)/(Circular pitch) (Length of path of recess)/(Circular pitch) (Length of the path of approach)/(Circular pitch) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r tanφ r cosφ (r/2) cosφ r sinφ r tanφ r cosφ (r/2) cosφ r sinφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The minimum force required to slide a body of weight W on a rough horizontal plane is W tanθ W cosθ W sinθ W cosecθ W tanθ W cosθ W sinθ W cosecθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Governor is used in automobile to Decrease the variation of speed Maximize the fuel economy Limit the vehicle speed Maintain constant engine speed Decrease the variation of speed Maximize the fuel economy Limit the vehicle speed Maintain constant engine speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanisms produces mathematically an exact straight line motion? Watt mechanism Grasshopper mechanism Tchebicheff mechanism Peaucellier's mechanism Watt mechanism Grasshopper mechanism Tchebicheff mechanism Peaucellier's mechanism 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 increasing time period Return to equilibrium position without oscillation Oscillate with constant amplitude Oscillate with decreasing amplitude Oscillate with increasing time period Return to equilibrium position without oscillation Oscillate with constant amplitude Oscillate with decreasing amplitude ANSWER DOWNLOAD EXAMIANS APP
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