Theory of Machine In a ball bearing, ball and bearing forms a Screw pair Turning pair Rolling pair Spherical pair Screw pair Turning pair Rolling pair Spherical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whitworth quick return mechanism is obtained by inversion of Five link mechanism Roller cam mechanism Slider crank mechanism Kinematic chain Five link mechanism Roller cam mechanism Slider crank mechanism Kinematic chain ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two elements of a pair are said to form a higher pair, when they Permit relative motion Have a line or point contact when in motion Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Permit relative motion Have a line or point contact when in motion Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of completely constrained motion is a Motion of a piston in the cylinder of a steam engine Motion of a shaft with collars at each end in a circular hole Motion of a square bar in a square hole All of these Motion of a piston in the cylinder of a steam engine Motion of a shaft with collars at each end in a circular hole Motion of a square bar in a square hole All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The height of a Watt's governor (in meters) is equal to (where N = Speed of the arm and ball about the spindle axis) 895/N² 8.95/N² 8950/N² 89.5/N² 895/N² 8.95/N² 8950/N² 89.5/N² 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) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) cosφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) cosφ]/2 [(r + R) sinφ]/2 ANSWER DOWNLOAD EXAMIANS APP
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