Machine Design Spring stiffness is Load required to produce unit deflection Its ability to absorb shocks Ratio of coil diameter to wire diameter Its capability of storing energy Load required to produce unit deflection Its ability to absorb shocks Ratio of coil diameter to wire diameter Its capability of storing energy ANSWER DOWNLOAD EXAMIANS APP
Machine Design A universal coupling is used to connect two shafts Which are not in exact alignment Have lateral misalignment Which are perfectly aligned Whose axes intersect at a small angle Which are not in exact alignment Have lateral misalignment Which are perfectly aligned Whose axes intersect at a small angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt speed increases Power transmitted remains the same Power transmitted increases to a maximum value and then decreases Power transmitted increases Power transmitted decreases Power transmitted remains the same Power transmitted increases to a maximum value and then decreases Power transmitted increases Power transmitted decreases 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 π/4 × d².τu πd.t.τu t.τu π/4 × d² × tτu π/4 × d².τu πd.t.τu t.τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. One-third One-fourth One-half Double One-third One-fourth One-half Double ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gear box is used To produce torque For speed reduction To increase efficiency of system To obtain variable speeds To produce torque For speed reduction To increase efficiency of system To obtain variable speeds ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS