Machine Design A screw is said to be a self locking screw, if its efficiency is Less than 50% More than 50% None of these Equal to 50% Less than 50% More than 50% None of these Equal to 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design Failure of a material is called fatigue when it fails At the elastic limit Below the yield point At the yield point Below the elastic limit At the elastic limit Below the yield point At the yield point Below the elastic limit ANSWER DOWNLOAD EXAMIANS APP
Machine Design The smallest diameter of an external or internal screw thread is known as None of these Minor diameter Major diameter Pitch diameter None of these Minor diameter Major diameter Pitch diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design Surface endurance limit of gear material is dependent upon its Brinell hardness number Elastic strength Yield strength Toughness Brinell hardness number Elastic strength Yield strength Toughness ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a metal or alloy is cold worked, None of these Both (A) and (B) Its hardness and strength increases It is worked below recrystallization temperature None of these Both (A) and (B) Its hardness and strength increases It is worked below recrystallization temperature ANSWER DOWNLOAD EXAMIANS APP
Machine Design The process which improves the machinability of steels, but lowers the hardness and tensile strength is Spheroidising Process annealing Normalising Full annealing Spheroidising Process annealing Normalising Full annealing ANSWER DOWNLOAD EXAMIANS APP
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