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 Decreasing the modulus of elasticity of the bar All of these Increasing the length of bar Decreasing the cross-sectional area of the bar Decreasing the modulus of elasticity of the bar All of these Increasing the length of bar Decreasing the cross-sectional area of the bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is 0.2 0.5 0.35 0.65 0.2 0.5 0.35 0.65 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the length of the journal is equal to the diameter of the journal, then the bearing is said to be a Medium bearing Long bearing Square bearing Short bearing Medium bearing Long bearing Square bearing Short bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which one of the following is a positive drive? V-belt drive Chain drive Rope drive Crossed flat belt drive V-belt drive Chain drive Rope drive Crossed flat belt drive 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 2.8 3 3.5 2.5 2.8 3 3.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear stress in a beam varies from zero at the outer fibers to a maximum at the________. None of these Lower surface Neutral surface Upper surface None of these Lower surface Neutral surface Upper surface ANSWER DOWNLOAD EXAMIANS APP
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