Machine Design The railway carriage couplings have Knuckle threads Square threads Buttress threads Acme threads Knuckle threads Square threads Buttress threads Acme threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is specified by its Minor diameter Pitch diameter Major diameter Pitch Minor diameter Pitch diameter Major diameter Pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that It is more stretched than the outer side during the manufacturing process It is subjected to a higher stress than the outer side It has a lower curvature than the outer side It is subjected to a higher cyclic loading than the outer side It is more stretched than the outer side during the manufacturing process It is subjected to a higher stress than the outer side It has a lower curvature than the outer side It is subjected to a higher cyclic loading than the outer side ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a beam of rectangular cross-section of width b and depth d, is subjected to a shear force F, the maximum shear stress induced will be 2F/bh F/bh 3F/2bh 4F/bh 2F/bh F/bh 3F/2bh 4F/bh ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up with initial tension greater than the external load so that Bolts are weakest elements The resultant load on the bolt would not be affected by the external cyclic load Joint may not open up Bolts will not loosen during service Bolts are weakest elements The resultant load on the bolt would not be affected by the external cyclic load Joint may not open up Bolts will not loosen during service ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the thickness of the boiler shell should not be less than 4 mm 7 mm 6 mm 5 mm 4 mm 7 mm 6 mm 5 mm ANSWER DOWNLOAD EXAMIANS APP