Theory of Machine The velocity of the rubbing surface __________ with the distance from the axis of the bearing. Remain same Decreases Increases None of these Remain same Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in Transverse vibrations All of these Longitudinal vibrations Torsional vibrations Transverse vibrations All of these Longitudinal vibrations Torsional vibrations 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 cosφ r sinφ (r/2) cosφ r tanφ r cosφ r sinφ (r/2) cosφ r tanφ 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) [(r² + R²) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) sinφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) sinφ]/2 [(r + R) cosφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment up to 40° 20° 10° 30° 40° 20° 10° 30° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Davis steering gear consists of Sliding pairs Rolling pairs Higher pairs Turning pairs Sliding pairs Rolling pairs Higher pairs Turning pairs ANSWER DOWNLOAD EXAMIANS APP