Machine Design The velocity factor for precision metallic gears cut with high accuracy and operating at velocities up to 20 m/s is equal to 0.75/ (0.75 + √v) 3/ (3 + v) 6/ (6 + v) 4.5/ (4.5 + v) 0.75/ (0.75 + √v) 3/ (3 + v) 6/ (6 + v) 4.5/ (4.5 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which process will increase the fatigue duration of parts? Electroplating De-carburisation Finishing and polishing Shot-peening Electroplating De-carburisation Finishing and polishing Shot-peening ANSWER DOWNLOAD EXAMIANS APP
Machine Design The value of stress concentration factor depends upon Geometry of the part Material of the part Material and geometry of the part None of these Geometry of the part Material of the part Material and geometry of the part None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In radial bearings, the load acts __________ to the axis of rotation. Perpendicular None of these Parallel Both A and B Perpendicular None of these Parallel Both A and B ANSWER DOWNLOAD EXAMIANS APP
Machine Design The notch angle of the Izod impact test specimen is 20° 45° 10° 30° 20° 45° 10° 30° ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if the Friction angle is equal to helix angle Friction angle is less than helix angle Friction angle is more than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is less than helix angle Friction angle is more than helix angle Efficiency of screw is 100% ANSWER DOWNLOAD EXAMIANS APP