Machine Design In hydrodynamic bearings Grease is used for lubrication The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant Grease is used for lubrication The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following key is preferred for the condition when a large amount of impact type torque is to be transmitted in both direction of rotation? Feather key Woodruff key Tangent key Gib-head key Feather key Woodruff key Tangent key Gib-head key ANSWER DOWNLOAD EXAMIANS APP
Machine Design The pipe joint mostly used for pipes carrying water at low pressures is Socket joint Nipple joint Spigot and socket joint Union joint Socket joint Nipple joint Spigot and socket joint Union joint ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio Remains unchanged Decreases Increases None of these Remains unchanged Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In testing a material for endurance strength, it is subjected to Impact load Static load Dynamic load Completely reversed load Impact load Static load Dynamic load Completely reversed load ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rolling contact bearings as compared to sliding contact bearings have Low starting and low running friction except at very high speeds Small overall dimensions All of these Accuracy of shaft alignment Low starting and low running friction except at very high speeds Small overall dimensions All of these Accuracy of shaft alignment ANSWER DOWNLOAD EXAMIANS APP
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