Machine Design Applications in which stresses are encountered in one direction only uses following type of threads Acme Square Metric Buttress Acme Square Metric Buttress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be Same in both cases 2 times more 4 times more 3 times more Same in both cases 2 times more 4 times more 3 times more ANSWER DOWNLOAD EXAMIANS APP
Machine Design The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm) 2080 d 1680 d 1420 d 2840 d 2080 d 1680 d 1420 d 2840 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design Shaft coupling is used in machinery to Introduce mechanical flexibility Introduce protection against over loads Reduce the transmission of shock loads All of these Introduce mechanical flexibility Introduce protection against over loads Reduce the transmission of shock loads All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The designation M 33 × 2 of a bolt means Bolt of 33 mm nominal diameter having 2 threads per cm Metric threads of 33 mm outside diameter and 2 mm pitch Metric threads with cross-section of 33 mm Metric threads of 33 numbers in 2 cm Bolt of 33 mm nominal diameter having 2 threads per cm Metric threads of 33 mm outside diameter and 2 mm pitch Metric threads with cross-section of 33 mm Metric threads of 33 numbers in 2 cm 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'. One-eighth Double One-fourth One-half One-eighth Double One-fourth One-half ANSWER DOWNLOAD EXAMIANS APP