Machine Design In static loading, stress concentration is more serious in Ductile materials Brittle materials Elastic materials Brittle as well as ductile materials Ductile materials Brittle materials Elastic materials Brittle as well as ductile materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be 12 kN/m 24 kN/m 30 kN/m 6 kN/m 12 kN/m 24 kN/m 30 kN/m 6 kN/m ANSWER DOWNLOAD EXAMIANS APP
Machine Design Deep groove ball bearings are used for Combined thrust and radial loads at high speed Heavy thrust load only Small angular displacement of shafts Radial load at high speed Combined thrust and radial loads at high speed Heavy thrust load only Small angular displacement of shafts Radial load at high speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to All of these Bending stresses Combined bending and shear stresses Shear stresses All of these Bending stresses Combined bending and shear stresses Shear stresses ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given byWhere m = mass of belt per meter (kg/m)v = belt velocity (m/s)f = coefficient of frictiona = angle of wrap (radians) (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 (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design Oldham coupling is used to connect two shafts Whose axes intersect at a small angle Which are not in exact alignment Which are perfectly aligned Which have lateral misalignment Whose axes intersect at a small angle Which are not in exact alignment Which are perfectly aligned Which have lateral misalignment ANSWER DOWNLOAD EXAMIANS APP
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