Machine Design In oilness bearings Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals ANSWER DOWNLOAD EXAMIANS APP
Machine Design A thin spherical shell of internal diameter d is subjected to an internal pressure p. If σt is the tensile stress for the shell material, then thickness of shell is equal to pd/4σt pd/3σt pd/σt pd/2σt pd/4σt pd/3σt pd/σt pd/2σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if its efficiency is More than 50% Equal to 50% None of these Less than 50% More than 50% Equal to 50% None of these Less than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design For crank shaft bearings, the ratio of the length of the journal to its diameter is_________. None of these Greater than unity Less than unity Equal to 1 None of these Greater than unity Less than unity Equal to 1 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The property of a bearing material which has the ability to accommodate shaft deflections and bearing inaccuracies by plastic deformation without excessive wear and heating, is known as Embeddability Fatigue strength Bondability Comformability Embeddability Fatigue strength Bondability Comformability ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hot short metal is Brittle when hot Brittle under all conditions Ductile at high temperature Brittle when cold Brittle when hot Brittle under all conditions Ductile at high temperature Brittle when cold ANSWER DOWNLOAD EXAMIANS APP
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