Machine Design In the calculation of induced shear stress in helical springs, the Wahl's stress factor is used to take care of Combined effect of torsional shear stress and transverse shear stress in the wire Combined effect of transverse shear stress and bending stress in the wire Combined effect of transverse shear stress and curvature of wire Combined effect of bending stress and curvature of the wire Combined effect of torsional shear stress and transverse shear stress in the wire Combined effect of transverse shear stress and bending stress in the wire Combined effect of transverse shear stress and curvature of wire Combined effect of bending stress and curvature of the wire 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 3.0 2.5 3.5 2.8 3.0 2.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of pulleys for V-belt is More than 400 420 to 450 340 to 360 300 to 320 More than 400 420 to 450 340 to 360 300 to 320 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Three different weights fall from a certain height under vacuum. They will take Times proportional to weight to reach earth None of these Same time to reach earth Times inversely proportional to weight to reach earth Times proportional to weight to reach earth None of these Same time to reach earth Times inversely proportional to weight to reach earth ANSWER DOWNLOAD EXAMIANS APP
Machine Design For standard coarse threads of nut, the threads will be as strong in failure by shear as the bolt in tension, if the height of nut (h) is approximately 0.8 times 0.7 times 0.6 times 0.4 times 0.8 times 0.7 times 0.6 times 0.4 times ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is not correct procedure to increase the fatigue limit? Surface decarburisation Shot peening Under stressing Cold working Surface decarburisation Shot peening Under stressing Cold working ANSWER DOWNLOAD EXAMIANS APP
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