Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 10 m/s 20 m/s 12.5 m/s 15 m/s 10 m/s 20 m/s 12.5 m/s 15 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will Decrease with decrease in y Be independent of ratio of mass of load W to mass of bar (y) Depend on other considerations Increase with increase in y Decrease with decrease in y Be independent of ratio of mass of load W to mass of bar (y) Depend on other considerations Increase with increase in y ANSWER DOWNLOAD EXAMIANS APP
Machine Design The strength of a riveted joint is equal to Crushing strength of rivet (Pc) Shearing strength of rivet (Ps) Tearing strength of plate (Pt) Least value of Pt Ps and Pc Crushing strength of rivet (Pc) Shearing strength of rivet (Ps) Tearing strength of plate (Pt) Least value of Pt Ps and Pc 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 Fatigue strength Embeddability Comformability Bondability Fatigue strength Embeddability Comformability Bondability 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 3.5 3 2.8 2.5 3.5 3 2.8 2.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The endurance limit for a mirror polished material will be __________ as compared to unpolished material. Less Same None of these More Less Same None of these More ANSWER DOWNLOAD EXAMIANS APP
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