Theory of Machine The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to 135° and 315° 90° and 180° 270° and 360° 0° and 90° 135° and 315° 90° and 180° 270° and 360° 0° and 90° 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 [(r + R) sinφ]/2 [(r² + R²) sinφ]/2 [(r + R) cosφ]/2 [(r² + R²) cosφ]/2 [(r + R) sinφ]/2 [(r² + R²) sinφ]/2 [(r + R) cosφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is 0° and 180° 0° and 90° 180° and 360° 90° and 180° 0° and 180° 0° and 90° 180° and 360° 90° and 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine To obviate axial thrust, following gear drive is used Mutter gears Single helical gear in which one of the teeth of helix angle a is more Double helical gears having identical teeth Double helical gears having opposite teeth Mutter gears Single helical gear in which one of the teeth of helix angle a is more Double helical gears having identical teeth Double helical gears having opposite teeth ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cam size depends upon Pitch circle Prime circle Base circle Outer circle Pitch circle Prime circle Base circle Outer circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft in revolution per second is __________ as that of natural frequency of transverse vibration. Different None of these Unpredictable Same Different None of these Unpredictable Same ANSWER DOWNLOAD EXAMIANS APP