Machine Design In hydrodynamic bearings The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease is used for lubrication 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 5 mm 10 mm 25 mm 15 mm 5 mm 10 mm 25 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to remove internal stresses produced by hardening the steel, the process usually adopted is Annealing Spheroidizing Normalizing Tempering Annealing Spheroidizing Normalizing Tempering ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tube has the following advantage over pipe Smoother inside walls All of these Lighter and easier to handle Greater shock absorption Smoother inside walls All of these Lighter and easier to handle Greater shock absorption ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be 17 15 25 21 17 15 25 21 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The largest diameter of an external or internal screw thread is known as Major diameter Pitch diameter Minor diameter None of these Major diameter Pitch diameter Minor diameter None of these ANSWER DOWNLOAD EXAMIANS APP
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