Machine Design When the shaft rotates in anticlockwise direction at high speed in a bearing, it will Move towards right of the bearing making no metal to metal contact Move towards right of the bearing making metal to metal contact Move towards left of the bearing making metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making no metal to metal contact Move towards right of the bearing making metal to metal contact Move towards left of the bearing making metal to metal contact Have contact at the bottom most of the bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called Boundary lubricated bearing Hydrostatic lubricated bearing Zero film bearing Hydrodynamic lubricated bearing Boundary lubricated bearing Hydrostatic lubricated bearing Zero film bearing Hydrodynamic lubricated bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to Diameter of bolt 1.25 × diameter of bolt 1.5 × diameter of bolt 0.75 × diameter of bolt Diameter of bolt 1.25 × diameter of bolt 1.5 × diameter of bolt 0.75 × diameter of bolt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up so that tightening stress Is about yield point divided by safety factor Is just sufficient to hold parts together Is 50% of yield point Approaches yield point Is about yield point divided by safety factor Is just sufficient to hold parts together Is 50% of yield point Approaches yield point ANSWER DOWNLOAD EXAMIANS APP
Machine Design The effective stress in wire ropes during normal working is equal to the stress due to Bending plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to acceleration/retardation Axial load plus stress due to bending Bending plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to acceleration/retardation Axial load plus stress due to bending ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is 1 micron 10 microns 0.1 micron 0.01 micron 1 micron 10 microns 0.1 micron 0.01 micron ANSWER DOWNLOAD EXAMIANS APP
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