Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Is maximum at zero speed and decreases 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 minimum at zero speed and increases monotonically with increase in speed Is maximum at zero speed and decreases 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 minimum at zero speed and increases monotonically with increase in speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centre distance between two meshing involute gears is equal to Sum of base circle radii/cosφ Difference of base circle radii/cosφ Sum of pitch circle radii/cosφ Difference of pitch circle radii/cosφ Sum of base circle radii/cosφ Difference of base circle radii/cosφ Sum of pitch circle radii/cosφ Difference of pitch circle radii/cosφ ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (2WD/ πd3) × K (WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K (WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design A locking device extensively used in marine type connecting rod ends is a Sawn nut Jam nut Castle nut Ring nut Sawn nut Jam nut Castle nut Ring nut ANSWER DOWNLOAD EXAMIANS APP
Machine Design The yield point in static loading is __________ as compared to fatigue loading. Lower None of these Same Higher Lower None of these Same Higher ANSWER DOWNLOAD EXAMIANS APP
Machine Design The property of a bearing material which has the ability to accommodate shaft deflections and bearing inaccuracies by plastic deformation without excessive wear and heating, is known as Bondability Fatigue strength Comformability Embeddability Bondability Fatigue strength Comformability Embeddability ANSWER DOWNLOAD EXAMIANS APP