Machine Design For tight leakage joints, following type of thread is best suited Square NPT (national pipe threads). Metric Buttress Square NPT (national pipe threads). Metric Buttress ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of thick cylinders, the tangential stress across the thickness of cylinder is Maximum at the inner surface and zero at the outer surface Maximum at the outer surface and zero at the inner surface Maximum at the inner surface and minimum at the outer surface Maximum at the outer surface and minimum at the inner surface Maximum at the inner surface and zero at the outer surface Maximum at the outer surface and zero at the inner surface Maximum at the inner surface and minimum at the outer surface Maximum at the outer surface and minimum at the inner surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is 0.35 0.65 0.5 0.2 0.35 0.65 0.5 0.2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Surface endurance limit of gear material is dependent upon its Toughness Elastic strength Brinell hardness number Yield strength Toughness Elastic strength Brinell hardness number Yield strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design If threads on a bolt are left hand, threads on nut will be Right hand with same pitch Could be left or right hand Right hand with fine pitch Left hand with same pitch Right hand with same pitch Could be left or right hand Right hand with fine pitch Left hand with same pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of pulleys for V-belt is 420 to 450 300 to 320 340 to 360 More than 400 420 to 450 300 to 320 340 to 360 More than 400 ANSWER DOWNLOAD EXAMIANS APP