Machine Design
The contact ratio is the ratio of

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

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Which is correct statement? Stress concentration in cyclic loading is

Equally serious in both types of materials
Very serious in ductile materials and less serious in brittle materials
Seriousness would depend on other factors
Very serious in brittle materials and less serious in ductile materials

ANSWER DOWNLOAD EXAMIANS APP