Machine Design The contact ratio is the ratio of Length of arc of approach to the circular pitch Length of path of contact to the circular pitch Length of arc of recess to the circular pitch Length of arc of contact to the circular pitch Length of arc of approach to the circular pitch Length of path of contact to the circular pitch Length of arc of recess to the circular pitch Length of arc of contact to the circular pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing which operates without any lubricant present, 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 P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting centrifugal tension) will be equal to (Where, Pc is centrifugal tension) [⅟₂ × (P1 + P2)] + Pc P1 - P2 ⅟₂ × (P1 + P2) P1 + P2 [⅟₂ × (P1 + P2)] + Pc P1 - P2 ⅟₂ × (P1 + P2) P1 + P2 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/3σt pd/σt pd/2σt pd/4σt pd/3σt pd/σt pd/2σt pd/4σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design When spring index increases, the value of Wahl's stress factor Increases linearly Increases exponentially Remains same Decreases linearly Increases linearly Increases exponentially Remains same Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Machine Design Set screws are Slotted for a screw driver and generally used with a nut Similar to stud Similar to small size tap bolts except that a greater variety of shapes of heads are available Used to prevent relative motion between parts Slotted for a screw driver and generally used with a nut Similar to stud Similar to small size tap bolts except that a greater variety of shapes of heads are available Used to prevent relative motion between parts ANSWER DOWNLOAD EXAMIANS APP
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