Machine Design The shear plane in case of bolts should Be normal to threaded portion of shank Be parallel to axis of bolt Never be across the threaded portion Be across threaded portion of shank Be normal to threaded portion of shank Be parallel to axis of bolt Never be across the threaded portion Be across threaded portion of shank ANSWER DOWNLOAD EXAMIANS APP
Machine Design The process which improves the machinability of steels, but lowers the hardness and tensile strength is Spheroidising Process annealing Full annealing Normalising Spheroidising Process annealing Full annealing Normalising 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) = 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 P1 / P2 = eᶠα P1 / P2 = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle for the British standard whitworth thread is 29° 47.5° 55° 60° 29° 47.5° 55° 60° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact) T₁/T₂ = μθ log (T₁/T₂) = μθ T₁/T₂ =eμθ T₁/T₂ = log μθ T₁/T₂ = μθ log (T₁/T₂) = μθ T₁/T₂ =eμθ T₁/T₂ = log μθ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The property of a bearing material which has the ability to accommodate shaft deflections and bearing inaccuracies by plastic deformation without excessive wear and heating, is known as Comformability Bondability Embeddability Fatigue strength Comformability Bondability Embeddability Fatigue strength ANSWER DOWNLOAD EXAMIANS APP
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