Machine Design Spring index is Ratio of coil diameter to wire diameter Its capability of storing energy Load required to produce unit deflection Indication of quality of spring Ratio of coil diameter to wire diameter Its capability of storing energy Load required to produce unit deflection Indication of quality of spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings Grease required to be applied after some intervals Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal Grease required to be applied after some intervals Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up with initial tension greater than the external load so that The resultant load on the bolt would not be affected by the external cyclic load Bolts are weakest elements Bolts will not loosen during service Joint may not open up The resultant load on the bolt would not be affected by the external cyclic load Bolts are weakest elements Bolts will not loosen during service Joint may not open up ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a nut is tightened by placing a washer below it, the bolt will be subjected to following type of loads Shear Compression Combined loads Tension Shear Compression Combined loads Tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is 3.6 N/mm² compression 3.6 N/mm² tension 7.2 N/mm² compression 7.2 N/mm² tension 3.6 N/mm² compression 3.6 N/mm² tension 7.2 N/mm² compression 7.2 N/mm² tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the Shank Thread Head Middle Shank Thread Head Middle ANSWER DOWNLOAD EXAMIANS APP