Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Remains constant at all speeds 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 Is minimum at zero speed and increases monotonically with increase in speed Remains constant at all speeds 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 Is minimum at zero speed and increases monotonically with increase in speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design The edges of a boiler plate are bevelled to an angle of 45° 60° 30° 80° 45° 60° 30° 80° ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft) 2d + 13 mm d + 17 mm 2d + 20 mm 3.5 d 2d + 13 mm d + 17 mm 2d + 20 mm 3.5 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a nut is tightened by placing a washer below it, the bolt will be subjected to following type of loads Shear Compression Tension Combined loads Shear Compression Tension Combined loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions in V-belt drives is __________ flat belt drives. sin α times less than cosec α times more than Equal to sin α times more than sin α times less than cosec α times more than Equal to sin α times more than ANSWER DOWNLOAD EXAMIANS APP
Machine Design Surface endurance limit of gear material is dependent upon its Brinell hardness number Elastic strength Yield strength Toughness Brinell hardness number Elastic strength Yield strength Toughness ANSWER DOWNLOAD EXAMIANS APP
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