Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 15 N-m 10 N-m 5 N-m 7 N-m 15 N-m 10 N-m 5 N-m 7 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design A double fillet welded joint with parallel fillet weld of length 'l' and leg 's' is subjected to a tensile force 'P'. Assuming uniform stress distribution, the shear stress in the weld is given by √2P/s.l P/√2.s.l 2P/s.l P/2.s.l √2P/s.l P/√2.s.l 2P/s.l P/2.s.l ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cold working Has no influence on fatigue strength Increases the fatigue strength Decreases the fatigue strength Alone has no influence on fatigue strength Has no influence on fatigue strength Increases the fatigue strength Decreases the fatigue strength Alone has no influence on fatigue strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design The radial distance of a tooth from the pitch circle to the top of the tooth is called Clearance Dedendum Addendum Working depth Clearance Dedendum Addendum Working depth ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that It is subjected to a higher stress than the outer side It is more stretched than the outer side during the manufacturing process It has a lower curvature than the outer side It is subjected to a higher cyclic loading than the outer side It is subjected to a higher stress than the outer side It is more stretched than the outer side during the manufacturing process It has a lower curvature than the outer side It is subjected to a higher cyclic loading than the outer side ANSWER DOWNLOAD EXAMIANS APP
Machine Design A thin spherical shell of internal diameter d is subjected to an internal pressure p. If σt is the tensile stress for the shell material, then thickness of shell is equal to pd/4σt pd/σt pd/3σt pd/2σt pd/4σt pd/σt pd/3σt pd/2σt ANSWER DOWNLOAD EXAMIANS APP
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