Machine Design Which is correct statement? Stress concentration in cyclic loading is Very serious in ductile materials and less serious in brittle materials Equally serious in both types of materials Very serious in brittle materials and less serious in ductile materials Seriousness would depend on other factors Very serious in ductile materials and less serious in brittle materials Equally serious in both types of materials Very serious in brittle materials and less serious in ductile materials Seriousness would depend on other factors ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is Bending stress only A combination of bending stress and direct shear stress A combination of torsional shear stress and bending Direct shear stress only Bending stress only A combination of bending stress and direct shear stress A combination of torsional shear stress and bending Direct shear stress only ANSWER DOWNLOAD EXAMIANS APP
Machine Design A flange coupling is used to connect two shafts Which are perfectly aligned Which are not in exact alignment Have lateral misalignment Whose axes intersect at a small angle Which are perfectly aligned Which are not in exact alignment Have lateral misalignment Whose axes intersect at a small angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, the belt speed should be (Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N)) √(3m /Pmax) √(Pmax / m) √(Pmax / 3m) √(Pmax / 2m) √(3m /Pmax) √(Pmax / m) √(Pmax / 3m) √(Pmax / 2m) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Maximum principal stress theory is applicable for Ductile materials Brittle materials All of these Elastic materials Ductile materials Brittle materials All of these Elastic materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design The spring mostly used in gramophones is Volute spring Conical spring Flat spiral spring Helical spring Volute spring Conical spring Flat spiral spring Helical spring ANSWER DOWNLOAD EXAMIANS APP
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