Machine Design Screws used for power transmission should have High efficiency Strong teeth Very fine threads Low efficiency High efficiency Strong teeth Very fine threads Low efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft) d + 17 mm 3.5 d 2d + 20 mm 2d + 13 mm d + 17 mm 3.5 d 2d + 20 mm 2d + 13 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design The angle of twist of shaft is Directly proportional to (shaft diameter)⁴ Inversely proportional to (shaft diameter)² Inversely proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)² Directly proportional to (shaft diameter)⁴ Inversely proportional to (shaft diameter)² Inversely proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)² ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K (WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design The property of a bearing material which has the ability to accommodate small particles of dust, grit etc. without scoring the material of the journal, is called Embeddability Comformability Bondability Fatigue strength Embeddability Comformability Bondability Fatigue strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design A self locking screw has Fine threads Coefficient of friction is greater than tangent of load angle Hole for inserting split pin Course threads Fine threads Coefficient of friction is greater than tangent of load angle Hole for inserting split pin Course threads ANSWER DOWNLOAD EXAMIANS APP
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