Machine Design In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by Decreasing the cross-section area of bar Would depend upon other factors Remain unaffected with cross-section area Increasing the cross-section area of bar Decreasing the cross-section area of bar Would depend upon other factors Remain unaffected with cross-section area Increasing the cross-section area of bar ANSWER DOWNLOAD EXAMIANS APP
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 According to Indian standard specifications, a Grey cast iron designated by 'FG 200' means that the Carbon content is 2% Maximum shear strength is 200 N/mm² Maximum compressive strength is 200 N/mm² Minimum tensile strength is 200 N/mm² Carbon content is 2% Maximum shear strength is 200 N/mm² Maximum compressive strength is 200 N/mm² Minimum tensile strength is 200 N/mm² ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm gears, the pressure angle is __________ the angle between two inclined faces in axial plane. Half None of these Twice Thrice Half None of these Twice Thrice ANSWER DOWNLOAD EXAMIANS APP
Machine Design Ball bearing type screws are found in following application Steering mechanism Screw jack Crane Aeroplane engines Steering mechanism Screw jack Crane Aeroplane engines ANSWER DOWNLOAD EXAMIANS APP
Machine Design Endurance limit or fatigue limit is the maximum stress that a member can withstand for an infinite number of load applications without failure when subjected to Completely reversed loading Static loading Combined static and dynamic loading Dynamic loading Completely reversed loading Static loading Combined static and dynamic loading Dynamic loading ANSWER DOWNLOAD EXAMIANS APP
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