Machine Design If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value? Maximum principal stress theory Maximum shear stress theory Maximum strain energy theory Maximum distortion energy theory Maximum principal stress theory Maximum shear stress theory Maximum strain energy theory Maximum distortion energy theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to W/2 2W/3 8W/9 W/9 W/2 2W/3 8W/9 W/9 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called Diametral pitch Axial pitch Module Normal pitch Diametral pitch Axial pitch Module Normal pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a journal bearing, the load on the bearing is __________ to the axis of the journal. Perpendicular None of these Both A and B Parallel Perpendicular None of these Both A and B Parallel ANSWER DOWNLOAD EXAMIANS APP
Machine Design Coaxing is the procedure of increasing Metal strength by cycling Fatigue limit by over-stressing the metal by successively increasing loadings Metal hardness by surface treatment Metal resistance to corrosion by coating Metal strength by cycling Fatigue limit by over-stressing the metal by successively increasing loadings Metal hardness by surface treatment Metal resistance to corrosion by coating ANSWER DOWNLOAD EXAMIANS APP
Machine Design While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as One end fixed and the other end hinged One end fixed and the other end free Both the ends hinged Both the ends fixed One end fixed and the other end hinged One end fixed and the other end free Both the ends hinged Both the ends fixed ANSWER DOWNLOAD EXAMIANS APP