Machine Design Crowning on pulley helps In increasing the slip of the belt To keep the belt in centre on a pulley while it is in motion In decreasing the slip of the belt To increase pulley life In increasing the slip of the belt To keep the belt in centre on a pulley while it is in motion In decreasing the slip of the belt To increase pulley life ANSWER DOWNLOAD EXAMIANS APP
Machine Design The size of a gear is usually specified by Diametral pitch Pressure angle Pitch circle diameter Circular pitch Diametral pitch Pressure angle Pitch circle diameter Circular pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load ‘W’. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'. Double One-eighth One-half One-fourth Double One-eighth One-half One-fourth ANSWER DOWNLOAD EXAMIANS APP
Machine Design The endurance or fatigue limit is defined as the maximum value of the stress which a polished standard specimen can withstand without failure, for infinite number of cycles, when subjected to Static load Dynamic load Completely reversed load Static as well as dynamic load Static load Dynamic load Completely reversed load Static as well as dynamic load ANSWER DOWNLOAD EXAMIANS APP
Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. One-third One-fourth Double One-half One-third One-fourth Double One-half ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus. 15 times 10 times 20 times 5 times 15 times 10 times 20 times 5 times ANSWER DOWNLOAD EXAMIANS APP