Machine Design Shaft coupling is used in machinery to All of these Reduce the transmission of shock loads Introduce protection against over loads Introduce mechanical flexibility All of these Reduce the transmission of shock loads Introduce protection against over loads Introduce mechanical flexibility ANSWER DOWNLOAD EXAMIANS APP
Machine Design The coefficient of friction between the belt and pulley depends upon the Material of belt and pulley All of these Speed of belt Slip of belt Material of belt and pulley All of these Speed of belt Slip of belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a hydrodynamic lubricated bearing There is no lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is a thick film of lubricant between the journal and the bearing There is a thin film of lubricant between the journal and the bearing There is no lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is a thick film of lubricant between the journal and the bearing There is a thin film of lubricant between the journal and the bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, the belt speed should be (Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N)) √(3m /Pmax) √(Pmax / 3m) √(Pmax / 2m) √(Pmax / m) √(3m /Pmax) √(Pmax / 3m) √(Pmax / 2m) √(Pmax / m) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The speed of the sprocket reduces as the chain pitch __________ for a given number of teeth. Decreases Increases Remain same None of these Decreases Increases Remain same None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to √(M² + T²) (1/2) × [M + √(M² + T²)] (1/2) × √(M² + T²) M + √(M² + T²) √(M² + T²) (1/2) × [M + √(M² + T²)] (1/2) × √(M² + T²) M + √(M² + T²) ANSWER DOWNLOAD EXAMIANS APP
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