Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 4.5/(4.5 + v) 6/(6 + v) 3/(3 + v) 0.75/(0.75 + √v) 4.5/(4.5 + v) 6/(6 + v) 3/(3 + v) 0.75/(0.75 + √v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crushing resistance required to crush the rivet per pitch length is p.d.σc (p - d) t.σc n.d.t.σc p.t.σc p.d.σc (p - d) t.σc n.d.t.σc p.t.σc ANSWER DOWNLOAD EXAMIANS APP
Machine Design The expression 0.175 - 0.841/T is the Lewis form factor for 20° full depth involute system 20° stub system None of these 14½° composite and full depth involute system 20° full depth involute system 20° stub system None of these 14½° composite and full depth involute system ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ball bearings are, usually, made from Low carbon steel High speed steel High carbon steel Medium carbon steel Low carbon steel High speed steel High carbon steel Medium carbon steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration is caused due to Pitting at points or areas at which loads on a member are applied Abrupt change of section Variation in properties of material from point to point in a member All of these Pitting at points or areas at which loads on a member are applied Abrupt change of section Variation in properties of material from point to point in a member All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.5 3.0 3.5 2.8 2.5 3.0 3.5 2.8 ANSWER DOWNLOAD EXAMIANS APP
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