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 strain energy theory Maximum principal stress theory Maximum distortion energy theory Maximum shear stress theory Maximum strain energy theory Maximum principal stress theory Maximum distortion energy theory Maximum shear stress theory 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 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 a self locking screw can not be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread 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 a self locking screw can not be more than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of the pulley for rope drive is usually 45° 35° 20° 60° 45° 35° 20° 60° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle between the sides of V-belt is 45° 40° 60° 38° 45° 40° 60° 38° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of endurance limit in shear to the endurance limit in flexure is 0.5 0.55 0.33 0.4 0.5 0.55 0.33 0.4 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The longitudinal joint in boilers is used to get the required Length and diameter of boiler Efficiency of boiler Diameter of boiler Length of boiler Length and diameter of boiler Efficiency of boiler Diameter of boiler Length of boiler ANSWER DOWNLOAD EXAMIANS APP