Machine Design Euler’s formula for a mild steel column is not valid if the slenderness ratio is 100 90 120 60 100 90 120 60 ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be 63 to 70% 70 to 83% 45 to 60% 80 to 90% 63 to 70% 70 to 83% 45 to 60% 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm, gears, pitch lead angle is The angle between the tangent to the pitch helix and the plane of rotation Half the angle between two inclined faces in axial plane The angle between the tangent to the pitch helix and an element of the cylinder None of these The angle between the tangent to the pitch helix and the plane of rotation Half the angle between two inclined faces in axial plane The angle between the tangent to the pitch helix and an element of the cylinder None of these 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) = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The product of the diametral pitch and circular pitch is equal to π × number of teeth 1 π 1/π π × number of teeth 1 π 1/π ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual number of teeth (T) is sinθ cosθ 1/tanθ 1/sinθ 1/cosθ sinθ cosθ 1/tanθ 1/sinθ 1/cosθ ANSWER DOWNLOAD EXAMIANS APP
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