Theory of Machine Shaft revolving in a bearing is the following type of pair Cylindrical pair Lower pair Spherical pair Higher pair Cylindrical pair Lower pair Spherical pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle) [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Governor is used in automobile to Maximize the fuel economy Decrease the variation of speed Limit the vehicle speed Maintain constant engine speed Maximize the fuel economy Decrease the variation of speed Limit the vehicle speed Maintain constant engine speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For an isochronous Hartnell governor (where r₁ and r₂ = Maximum and minimum radius of rotation of balls respectively, S₁ and S₂ = Maximum and minimum force exerted on the sleeve respectively, and M = Mass on the sleeve) S₂/S₁ = r₁/r₂ S₁/S₂ = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ (m.g + S₁)/(m.g + S₂) = r₁/r₂ S₂/S₁ = r₁/r₂ S₁/S₂ = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ (m.g + S₁)/(m.g + S₂) = r₁/r₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanisms produces mathematically an exact straight line motion? Grasshopper mechanism Tchebicheff mechanism Peaucellier's mechanism Watt mechanism Grasshopper mechanism Tchebicheff mechanism Peaucellier's mechanism Watt mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear. Same Less None of the listed here More Same Less None of the listed here More ANSWER DOWNLOAD EXAMIANS APP