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)) √(Pmax / m) √(Pmax / 3m) √(3m /Pmax) √(Pmax / 2m) √(Pmax / m) √(Pmax / 3m) √(3m /Pmax) √(Pmax / 2m) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The process which improves the machinability of steels, but lowers the hardness and tensile strength is Full annealing Process annealing Spheroidising Normalising Full annealing Process annealing Spheroidising Normalising ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of caulking in a riveted joint is to make the joint Leak-proof Free from corrosion Free from stress Stronger in tension Leak-proof Free from corrosion Free from stress Stronger in tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two closely coiled helical springs with stiffness k₁ and k₂ respectively are connected in series. The stiffness of an equivalent spring is given by (k₁ k₂)/ (k₁ + k₂) (k₁ - k₂)/ (k₁ + k₂) (k₁ - k₂)/ (k₁ k₂) (k₁ + k₂)/ (k₁ k₂) (k₁ k₂)/ (k₁ + k₂) (k₁ - k₂)/ (k₁ + k₂) (k₁ - k₂)/ (k₁ k₂) (k₁ + k₂)/ (k₁ k₂) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock absorbing capacity of a bolt may be increased by Making the shank diameter equal to core diameter of thread Increasing its shank diameter Decreasing its shank diameter Tightening the bolt properly Making the shank diameter equal to core diameter of thread Increasing its shank diameter Decreasing its shank diameter Tightening the bolt properly ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standards, a bolt thread of 6 mm size of coarse pitch and with allowance on the threads and normal tolerance grade is designated as M6 M6 - 8d M8 - 6d M8 M6 M6 - 8d M8 - 6d M8 ANSWER DOWNLOAD EXAMIANS APP
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