Machine Design The endurance limit of a material with finished surface in comparison to rough surface is More More or less depending on quantum of load Less Same More More or less depending on quantum of load Less Same ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress induced in the belt is, Torsional shear stress Tensile stress Compressive stress Direct shear stress Torsional shear stress Tensile stress Compressive stress Direct shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is positive drive? V belt drive Crossed belt drive Timing belt Flat belt drive V belt drive Crossed belt drive Timing belt Flat belt drive 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 πd.t.τu t.τu π/4 × d².τu π/4 × d² × tτu πd.t.τu t.τu π/4 × d².τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cap screws are Slotted for a screw driver and generally used with a nut Similar to small size tap bolts except that a greater variety of shapes of heads are available Used to prevent relative motion between parts Provided with detachable caps Slotted for a screw driver and generally used with a nut Similar to small size tap bolts except that a greater variety of shapes of heads are available Used to prevent relative motion between parts Provided with detachable caps ANSWER DOWNLOAD EXAMIANS APP
Machine Design Residual stress in materials Is independent of external loads Is always harmful Becomes zero when external load is removed Acts when external load is applied Is independent of external loads Is always harmful Becomes zero when external load is removed Acts when external load is applied ANSWER DOWNLOAD EXAMIANS APP