Machine Design In oilness bearings The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standards, total numbers of tolerance grades are 20 8 12 18 20 8 12 18 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring index is Load required to produce unit deflection Its capability of storing energy Ratio of coil diameter to wire diameter Indication of quality of spring Load required to produce unit deflection Its capability of storing energy Ratio of coil diameter to wire diameter Indication of quality of spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a riveted joint is equal to Ps /P Pc /P Pt /P Least of Pt, Ps and Pc/P Ps /P Pc /P Pt /P Least of Pt, Ps and Pc/P ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tapered key which fits in a key way in the hub and is flat on the shaft, is known as Wood ruff key Flat saddle key Feather key Gib-head key Wood ruff key Flat saddle key Feather key Gib-head key ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to W/2 W/9 8W/9 2W/3 W/2 W/9 8W/9 2W/3 ANSWER DOWNLOAD EXAMIANS APP