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 7 N-m 10 N-m 15 N-m 5 N-m 7 N-m 10 N-m 15 N-m 5 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 An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by All of these Decreasing the modulus of elasticity of the bar Increasing the length of bar Decreasing the cross-sectional area of the bar All of these Decreasing the modulus of elasticity of the bar Increasing the length of bar Decreasing the cross-sectional area of the bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design The belt slip occurs due to Loose belt Any one of the above Driving pulley too small Heavy load Loose belt Any one of the above Driving pulley too small Heavy load ANSWER DOWNLOAD EXAMIANS APP
Machine Design The temperature at which the new grains are formed in the metal is known as None of these Lower critical temperature Recrystallization temperature Upper critical temperature None of these Lower critical temperature Recrystallization temperature Upper critical temperature ANSWER DOWNLOAD EXAMIANS APP
Machine Design The designation M 33 × 2 of a bolt means Bolt of 33 mm nominal diameter having 2 threads per cm Metric threads of 33 numbers in 2 cm Metric threads with cross-section of 33 mm Metric threads of 33 mm outside diameter and 2 mm pitch Bolt of 33 mm nominal diameter having 2 threads per cm Metric threads of 33 numbers in 2 cm Metric threads with cross-section of 33 mm Metric threads of 33 mm outside diameter and 2 mm pitch ANSWER DOWNLOAD EXAMIANS APP