Machine Design When a helical compression spring is cut into halves, the stiffness of the resulting spring will be Double One-fourth Same One-half Double One-fourth Same One-half ANSWER DOWNLOAD EXAMIANS APP
Machine Design A metal pipe of 1 m diameter contains a fluid having a pressure of 1 N/mm². If the permissible tensile stress in the metal is 20 N/mm², then the thickness of the metal required for making the pipe will be 15 mm 25 mm 5 mm 10 mm 15 mm 25 mm 5 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Remain same Depends on heat treatment carried out Increases markedly Decreases markedly Remain same Depends on heat treatment carried out Increases markedly Decreases markedly ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to obtain bolt of uniform strength Increase shank diameter Increase its length Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Tighten die bolt properly Increase shank diameter Increase its length Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Tighten die bolt properly ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration is caused due to Pitting at points or areas at which loads on a member are applied All of these Abrupt change of section Variation in properties of material from point to point in a member Pitting at points or areas at which loads on a member are applied All of these Abrupt change of section Variation in properties of material from point to point in a member 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, 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, 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 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, 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 ANSWER DOWNLOAD EXAMIANS APP
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