Machine Design The contact ratio is the ratio of Length of arc of contact to the circular pitch Length of arc of approach to the circular pitch Length of arc of recess to the circular pitch Length of path of contact to the circular pitch Length of arc of contact to the circular pitch Length of arc of approach to the circular pitch Length of arc of recess to the circular pitch Length of path of contact to the circular pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design A coupling used to connect two perfectly aligned shafts, is All of these Compression coupling Muff coupling Flange coupling All of these Compression coupling Muff coupling Flange coupling ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearings of medium series have capacity __________ over the light series. 10 to 20% 40 to 50% 30 to 40% 20 to 30% 10 to 20% 40 to 50% 30 to 40% 20 to 30% ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate) π/4 × d² × tτu t.τu π/4 × d².τu πd.t.τu π/4 × d² × tτu t.τu π/4 × d².τu πd.t.τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design The constant factor in case of R10 series of preferred numbers is 1.58 1.26 1.12 1.06 1.58 1.26 1.12 1.06 ANSWER DOWNLOAD EXAMIANS APP
Machine Design For general industrial machinery, the ratio of the length of journal to its diameter is taken as 1 to 2 3 to 5 0.5 to 1 5 to 10 1 to 2 3 to 5 0.5 to 1 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
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