Machine Design When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to (1/2) × √(M² + T²) √(M² + T²) (1/2) × [M + √(M² + T²)] M + √(M² + T²) (1/2) × √(M² + T²) √(M² + T²) (1/2) × [M + √(M² + T²)] M + √(M² + T²) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The strength of the unriveted plate (P) per pitch length is equal to (p - d) t.σt (p - d) σt p.t.σt p.d.σt (p - d) t.σt (p - d) σt p.t.σt p.d.σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to obtain bolt of uniform strength Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Tighten die bolt properly Increase shank diameter Increase its length Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Tighten die bolt properly Increase shank diameter Increase its length ANSWER DOWNLOAD EXAMIANS APP
Machine Design The valve rod in a steam engine is connected to an eccentric rod by Cotter joint Universal coupling Bolted joint Knuckle joint Cotter joint Universal coupling Bolted joint Knuckle joint ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be 1.57 d 1.8 d 1.2 d 0.8 d 1.57 d 1.8 d 1.2 d 0.8 d 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 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα ANSWER DOWNLOAD EXAMIANS APP
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