For the following questions answer them individually
The profile of gears having module of 12 mm and length of arc of contact is 60 mm. What is the contact ratio of the gear profile?
The types of failure involved in the analysis of the riveted joints are?
(1) Shear failure of rivet
(2) Tensile failure of the plate
(3) Crushing failure of the plate
What is the direction of application of friction force with respect to the direction of motion of an object?