Machine Design When two springs are in series (having stiffness K), the equivalent stiffness will be 2K K/4 K/2 K 2K K/4 K/2 K ANSWER DOWNLOAD EXAMIANS APP
Machine Design Oldham coupling is used to connect two shafts Which are perfectly aligned Which have lateral misalignment Which are not in exact alignment Whose axes intersect at a small angle Which are perfectly aligned Which have lateral misalignment Which are not in exact alignment Whose axes intersect at a small angle 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.τu t.τu π/4 × d² × tτu πd.t.τu π/4 × d².τu t.τu π/4 × d² × tτu πd.t.τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing thick cylinders, the equation used is Birnie's equation Lame's equation All of these Clavarinos' equation Birnie's equation Lame's equation All of these Clavarinos' equation ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rated life of a bearing varies Inversely as square of load Inversely as fourth power of load Inversely as cube of load Directly as load Inversely as square of load Inversely as fourth power of load Inversely as cube of load Directly as load ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for double helical gears may be made up to 90° 60° 75° 45° 90° 60° 75° 45° ANSWER DOWNLOAD EXAMIANS APP