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 3/ (3 + v) 4.5/ (4.5 + v) 6/ (6 + v) 0.75/ (0.75 + √v) 3/ (3 + v) 4.5/ (4.5 + v) 6/ (6 + v) 0.75/ (0.75 + √v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The crest diameter of a screw thread is same as Pitch diameter Major diameter Minor diameter Core diameter Pitch diameter Major diameter Minor diameter Core diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design The function of cutting oil when threading a pipe is to Help removes chips Provide cooling action All of these Lubricate the dies Help removes chips Provide cooling action All of these Lubricate the dies ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft coupling should Hold the shafts in perfect alignment Be easy to connect or disconnect Transmit full power of the shaft All of these Hold the shafts in perfect alignment Be easy to connect or disconnect Transmit full power of the shaft All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is 0.5 0.65 0.2 0.35 0.5 0.65 0.2 0.35 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The application of second type levers is found in Handle of a hand pump Hand wheel of a punching press Lever of a loaded safety valve A pair of tongs Handle of a hand pump Hand wheel of a punching press Lever of a loaded safety valve A pair of tongs ANSWER DOWNLOAD EXAMIANS APP