Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 4.5/(4.5 + v) 0.75/(0.75 + √v) 3/(3 + v) 6/(6 + v) 4.5/(4.5 + v) 0.75/(0.75 + √v) 3/(3 + v) 6/(6 + v) 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 Hydrodynamic lubricated bearing Hydrostatic lubricated bearing Boundary lubricated bearing Zero film bearing Hydrodynamic lubricated bearing Hydrostatic lubricated bearing Boundary lubricated bearing Zero film bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design When spring index increases, the value of Wahl's stress factor Remains same Decreases linearly Increases exponentially Increases linearly Remains same Decreases linearly Increases exponentially Increases linearly ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/4 d/8 d/2 d/6 d/4 d/8 d/2 d/6 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Shaft coupling is used in machinery to Introduce protection against over loads Reduce the transmission of shock loads All of these Introduce mechanical flexibility Introduce protection against over loads Reduce the transmission of shock loads All of these Introduce mechanical flexibility ANSWER DOWNLOAD EXAMIANS APP
Machine Design A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called Jam nut Ring nut Sawn nut Castle nut Jam nut Ring nut Sawn nut Castle nut ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS