Machine Design In cyclic loading, stress concentration is more serious in Brittle materials Brittle as well as ductile materials Elastic materials Ductile materials Brittle materials Brittle as well as ductile materials Elastic materials Ductile materials 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 cross-sectional area of the bar Increasing the length of bar Decreasing the modulus of elasticity of the bar All of these Decreasing the cross-sectional area of the bar Increasing the length of bar Decreasing the modulus of elasticity of the bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = angle of wrap (radians) (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The most important dimension in the design of a nut is Inside diameter Height Pitch diameter Outside diameter Inside diameter Height Pitch diameter Outside diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle for the V-belt is usually 40°-60° 60°-80° 10°-20° 30°-40° 40°-60° 60°-80° 10°-20° 30°-40° ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be W/2A 3W/A W/A 2W/A W/2A 3W/A W/A 2W/A ANSWER DOWNLOAD EXAMIANS APP
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