Machine Design When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is 0.65 0.35 0.2 0.5 0.65 0.35 0.2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 45° 22.5° 67.5° 90° 45° 22.5° 67.5° 90° ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be 21 25 15 17 21 25 15 17 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The building up of worn and undersized parts, subjected to repeated loads by electroplating is Has no effect as regards fatigue strength Cheapest method Best method Extremely hazardous Has no effect as regards fatigue strength Cheapest method Best method Extremely hazardous ANSWER DOWNLOAD EXAMIANS APP
Machine Design The function of a washer is to Provide smooth surface in place of rough surface Provide bearing area Provide cushioning effect Absorb shocks and vibrations Provide smooth surface in place of rough surface Provide bearing area Provide cushioning effect Absorb shocks and vibrations ANSWER DOWNLOAD EXAMIANS APP