Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 0.75/(0.75 + √v) 6/(6 + v) 4.5/(4.5 + v) 3/(3 + v) 0.75/(0.75 + √v) 6/(6 + v) 4.5/(4.5 + v) 3/(3 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt speed increases Power transmitted increases Power transmitted remains the same Power transmitted decreases Power transmitted increases to a maximum value and then decreases Power transmitted increases Power transmitted remains the same Power transmitted decreases Power transmitted increases to a maximum value and then decreases ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a hydrodynamic lubricated bearing There is no lubricant between the journal and the bearing There is a thick film of lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is a thin film of lubricant between the journal and the bearing There is no lubricant between the journal and the bearing There is a thick film of lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is a thin film of lubricant between the journal and the bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design For low and moderate speed engines, the cam follower should move with Cycloidal motion Simple harmonic motion Uniform acceleration and retardation Uniform velocity Cycloidal motion Simple harmonic motion Uniform acceleration and retardation Uniform velocity ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is 2050 N-m 2100 N-m 2136 N-m 2000 N-m 2050 N-m 2100 N-m 2136 N-m 2000 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design Yield point in fatigue loading as compared to static loading is Lower Same Higher Depends on other factors Lower Same Higher Depends on other factors ANSWER DOWNLOAD EXAMIANS APP
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