Machine Design The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be εc + εl² εc + 2εl 2εc + εl εc² + εl εc + εl² εc + 2εl 2εc + εl εc² + εl ANSWER DOWNLOAD EXAMIANS APP
Machine Design Lewis form factor for 14½° composite and full depth involute system is (where T = Number of teeth) None of these 0.124 - (0.684/T) 0.175 - (0.841/T) 0.154 - (0.912/T) None of these 0.124 - (0.684/T) 0.175 - (0.841/T) 0.154 - (0.912/T) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The draw of cotter should not be more than 3 mm 12 mm 6 mm 8 mm 3 mm 12 mm 6 mm 8 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design Deep groove ball bearings are used for Heavy thrust load only Radial load at high speed Combined thrust and radial loads at high speed Small angular displacement of shafts Heavy thrust load only Radial load at high speed Combined thrust and radial loads at high speed Small angular displacement of shafts ANSWER DOWNLOAD EXAMIANS APP
Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 22.5° 90° 45° 67.5° 22.5° 90° 45° 67.5° ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings 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 The oil film pressure is generated only by the rotation of the journal ANSWER DOWNLOAD EXAMIANS APP