Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Is minimum at zero speed and increases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Remains constant at all speeds Is minimum at zero speed and increases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Remains constant at all speeds ANSWER DOWNLOAD EXAMIANS APP
Machine Design Set screws are Slotted for a screw driver and generally used with a nut Used to prevent relative motion between parts Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud Slotted for a screw driver and generally used with a nut Used to prevent relative motion between parts Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is specified by its Major diameter Pitch diameter Minor diameter Pitch Major diameter Pitch diameter Minor diameter Pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum efficiency of a square threaded screw is (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following welded joint is designed for shear strength? All of these Transverse fillet welded joint Parallel fillet welded joint Butt welded joint All of these Transverse fillet welded joint Parallel fillet welded joint Butt welded joint ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resultant axial load on a bolt depends on Initial tension External load applied Relative elastic yielding (springness) of the bolt and the connected member All of these Initial tension External load applied Relative elastic yielding (springness) of the bolt and the connected member All of these ANSWER DOWNLOAD EXAMIANS APP
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