Machine Design In hydrodynamic bearings The oil film pressure is generated only by the rotation of the journal Grease is used for lubrication 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 is used for lubrication Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure ANSWER DOWNLOAD EXAMIANS APP
Machine Design The taper on key is given on Any side Bottom side only Top side only On both sides Any side Bottom side only Top side only On both sides ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm gears, the angle between the tangent to the pitch helix and an element of the cylinder, is known as None of these Helix angle Pressure angle Pitch lead angle None of these Helix angle Pressure angle Pitch lead angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be 63 to 70% 70 to 83% 45 to 60% 80 to 90% 63 to 70% 70 to 83% 45 to 60% 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Machine Design Rankine Gordon formula for buckling is valid for Very long column Short column Short and long column Long column Very long column Short column Short and long column Long column ANSWER DOWNLOAD EXAMIANS APP
Machine Design The angle of twist of shaft is Inversely proportional to (shaft diameter)² Inversely proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)² Inversely proportional to (shaft diameter)² Inversely proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)² ANSWER DOWNLOAD EXAMIANS APP
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