Machine Design The suitable material for belt in agricultural machinery is Balata gum Cotton duck Leather Rubber Balata gum Cotton duck Leather Rubber ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm, gears, pitch lead angle is 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 The angle between the tangent to the pitch helix and the plane of rotation Half the angle between two inclined faces in axial plane ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ball bearings are provided with a cage To maintain the balls at a fixed distance apart To reduce friction To prevent the lubricant from flowing out To facilitate slipping of balls To maintain the balls at a fixed distance apart To reduce friction To prevent the lubricant from flowing out To facilitate slipping of balls ANSWER DOWNLOAD EXAMIANS APP
Machine Design Whether any core is required in wire ropes Yes Rarely No Sometimes Yes Rarely No Sometimes 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 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα ANSWER DOWNLOAD EXAMIANS APP
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