Machine Design The endurance or fatigue limit is defined as the maximum value of the stress which a polished standard specimen can withstand without failure, for infinite number of cycles, when subjected to Static load Dynamic load Static as well as dynamic load Completely reversed load Static load Dynamic load Static as well as dynamic load Completely reversed load ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a helical compression spring is cut into halves, the stiffness of the resulting spring will be One-fourth One-half Same Double One-fourth One-half Same Double 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 3 2.5 3.5 2.8 3 2.5 3.5 2.8 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material commonly used for crane hooks is Mild steel Aluminium Cast iron Wrought iron Mild steel Aluminium Cast iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Machine Design A triple riveted butt joint with double straps of unequal width is to be designed for a boiler shell. The pitch of the rivets in the outer row is double the pitch in the inner row and zigzag riveting is proposed. Which of the following statement is correct? There are five rivets per pitch length, all in double shear There are four rivets per pitch length, out of which two are in single shear and two are in double shear There are four rivets per pitch length, all in double shear There are five rivets per pitch length, out of which four are in double shear and one is in single shear There are five rivets per pitch length, all in double shear There are four rivets per pitch length, out of which two are in single shear and two are in double shear There are four rivets per pitch length, all in double shear There are five rivets per pitch length, out of which four are in double shear and one is in single shear ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, outer diameter of the sleeve is taken as (where d = Diameter of the shaft) 3.5d d + 17 mm 2d + 20 mm 2d + 13 mm 3.5d d + 17 mm 2d + 20 mm 2d + 13 mm ANSWER DOWNLOAD EXAMIANS APP