Machine Design The material used for brake lining should have __________ coefficient of friction. High Low None of these Moderate High Low None of these Moderate 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 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A self locking screw has Hole for inserting split pin Fine threads Course threads Coefficient of friction is greater than tangent of load angle Hole for inserting split pin Fine threads Course threads Coefficient of friction is greater than tangent of load angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt speed increases Power transmitted remains the same Power transmitted increases Power transmitted decreases Power transmitted increases to a maximum value and then decreases Power transmitted remains the same Power transmitted increases Power transmitted decreases Power transmitted increases to a maximum value and then decreases ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be 70 to 83% 80 to 90% 63 to 70% 45 to 60% 70 to 83% 80 to 90% 63 to 70% 45 to 60% 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)) √(Pmax / 3m) √(3m /Pmax) √(Pmax / 2m) √(Pmax / m) √(Pmax / 3m) √(3m /Pmax) √(Pmax / 2m) √(Pmax / m) ANSWER DOWNLOAD EXAMIANS APP
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