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 maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be 3 times more 4 times more Same in both cases 2 times more 3 times more 4 times more Same in both cases 2 times more ANSWER DOWNLOAD EXAMIANS APP
Machine Design A universal coupling is used to connect two shafts Which are not in exact alignment Which are perfectly aligned Have lateral misalignment Whose axes intersect at a small angle Which are not in exact alignment Which are perfectly aligned Have lateral misalignment Whose axes intersect at a small angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt is designed on the basis of __________ with a large factor of safety. Direct shear stress Direct tensile stress Direct bending stress Direct compressive stress Direct shear stress Direct tensile stress Direct bending stress Direct compressive stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The taper on a rectangular sunk key is 1 in 32 1 in 16 1 in 100 1 in 48 1 in 32 1 in 16 1 in 100 1 in 48 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is 1 micron 10 microns 0.1 micron 0.01 micron 1 micron 10 microns 0.1 micron 0.01 micron ANSWER DOWNLOAD EXAMIANS APP
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