Machine Design For general industrial machinery, the ratio of the length of journal to its diameter is taken as 3 to 5 5 to 10 0.5 to 1 1 to 2 3 to 5 5 to 10 0.5 to 1 1 to 2 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 2.5 3 2.8 3.5 2.5 3 2.8 3.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm) d = √t d = 2√t d = 6√t d = 1.6√t d = √t d = 2√t d = 6√t d = 1.6√t ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the pulley or other mating piece is required to slide along the shaft, a __________ sunk key is used. Rectangular Parallel Square None of these Rectangular Parallel Square None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock absorbing capacity of a bolt can be increased by Making shank diameter equal to core diameter of thread Tightening it properly Grinding the shank Increasing shank diameter Making shank diameter equal to core diameter of thread Tightening it properly Grinding the shank Increasing shank diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearings of medium series have capacity __________ over the light series. 30 to 40% 20 to 30% 40 to 50% 10 to 20% 30 to 40% 20 to 30% 40 to 50% 10 to 20% ANSWER DOWNLOAD EXAMIANS APP
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