Machine Design For tight leakage joints, following type of thread is best suited Buttress Square NPT (national pipe threads). Metric Buttress Square NPT (national pipe threads). Metric ANSWER DOWNLOAD EXAMIANS APP
Machine Design The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm) 1420 d 1680 d 2080 d 2840 d 1420 d 1680 d 2080 d 2840 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a material fails below its yield point, failure would be due to Sudden loading Straining Creep Fatigue Sudden loading Straining Creep Fatigue ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm gears, the pressure angle is __________ the angle between two inclined faces in axial plane. Thrice None of these Half Twice Thrice None of these Half Twice ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue stress concentration factor is defined as The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The product of the endurance limits with and without stress concentration The ratio of endurance limit without stress concentration to the endurance limit with stress concentration All of these The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The product of the endurance limits with and without stress concentration The ratio of endurance limit without stress concentration to the endurance limit with stress concentration All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The function of cutting oil when threading a pipe is to All of these Lubricate the dies Provide cooling action Help removes chips All of these Lubricate the dies Provide cooling action Help removes chips ANSWER DOWNLOAD EXAMIANS APP