Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 22.5° 45° 67.5° 90° 22.5° 45° 67.5° 90° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is adopted for power transmission in either direction? Buttress threads Square threads Acme threads Multiple threads Buttress threads Square threads Acme threads Multiple threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up so that tightening stress Is 50% of yield point Approaches yield point Is about yield point divided by safety factor Is just sufficient to hold parts together Is 50% of yield point Approaches yield point Is about yield point divided by safety factor Is just sufficient to hold parts together ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be 3 times more Same in both cases 4 times more 2 times more 3 times more Same in both cases 4 times more 2 times more ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.8 2.5 3.0 3.5 2.8 2.5 3.0 3.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In testing a material for endurance strength, it is subjected to Impact load Completely reversed load Dynamic load Static load Impact load Completely reversed load Dynamic load Static load ANSWER DOWNLOAD EXAMIANS APP
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