Machine Design Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B. Twice Four times Sixteen times Eight times Twice Four times Sixteen times Eight times ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal ANSWER DOWNLOAD EXAMIANS APP
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 The resistance to fatigue of a material is measured by Ultimate tensile strength Young's modulus Endurance limit Elastic limit Ultimate tensile strength Young's modulus Endurance limit Elastic limit ANSWER DOWNLOAD EXAMIANS APP
Machine Design Coaxing is the procedure of increasing Fatigue limit by over-stressing the metal by successively increasing loadings Metal resistance to corrosion by coating Metal hardness by surface treatment Metal strength by cycling Fatigue limit by over-stressing the metal by successively increasing loadings Metal resistance to corrosion by coating Metal hardness by surface treatment Metal strength by cycling ANSWER DOWNLOAD EXAMIANS APP
Machine Design Factor of safety for fatigue loading is the ratio of Elastic limit to the yield point Young's modulus to the ultimate tensile strength Elastic limit to the working stress Endurance limit to the working stress Elastic limit to the yield point Young's modulus to the ultimate tensile strength Elastic limit to the working stress Endurance limit to the working stress ANSWER DOWNLOAD EXAMIANS APP
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