Machine Design In oilness bearings The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals ANSWER DOWNLOAD EXAMIANS APP
Machine Design The railway carriage couplings have Buttress threads Square threads Acme threads Knuckle threads Buttress threads Square threads Acme threads Knuckle threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design A metal pipe of 1 m diameter contains a fluid having a pressure of 1 N/mm². If the permissible tensile stress in the metal is 20 N/mm², then the thickness of the metal required for making the pipe will be 15 mm 25 mm 5 mm 10 mm 15 mm 25 mm 5 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, outer diameter of the sleeve is taken as (where d = Diameter of the shaft) 3.5d 2d + 20 mm 2d + 13 mm d + 17 mm 3.5d 2d + 20 mm 2d + 13 mm d + 17 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a circular beam of diameter d is subjected to a shear force F, the maximum shear stress induced will be 6F/ πd² 4F/ πd² 16F/ 3πd² 8F/ πd² 6F/ πd² 4F/ πd² 16F/ 3πd² 8F/ πd² ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt speed increases Power transmitted remains the same Power transmitted decreases Power transmitted increases Power transmitted increases to a maximum value and then decreases Power transmitted remains the same Power transmitted decreases Power transmitted increases Power transmitted increases to a maximum value and then decreases ANSWER DOWNLOAD EXAMIANS APP
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