Machine Design For general industrial machinery, the ratio of the length of journal to its diameter is taken as 0.5 to 1 3 to 5 5 to 10 1 to 2 0.5 to 1 3 to 5 5 to 10 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts of the same length and material are joined in series. If the ratio of their diameters is 2, then the ratio of their angles of twist will be 8 2 4 16 8 2 4 16 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing 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 Is maximum at zero speed and decreases monotonically with increase in speed Remains constant at all speeds ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 3.5 2.8 2.5 3 3.5 2.8 2.5 3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design If b denotes the face width and L denotes the cone distance for a bevel gear, then the bevel factor is written as b/2L b/L 1 - (b/L) 1 - 2 b.L b/2L b/L 1 - (b/L) 1 - 2 b.L ANSWER DOWNLOAD EXAMIANS APP
Machine Design The longitudinal joint in boilers is used to get the required Length and diameter of boiler Diameter of boiler Length of boiler Efficiency of boiler Length and diameter of boiler Diameter of boiler Length of boiler Efficiency of boiler ANSWER DOWNLOAD EXAMIANS APP
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