Machine Design Spring stiffness is Ratio of coil diameter to wire diameter Its ability to absorb shocks Load required to produce unit deflection Its capability of storing energy Ratio of coil diameter to wire diameter Its ability to absorb shocks Load required to produce unit deflection Its capability of storing energy ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, outer diameter of the sleeve is taken as (where d = Diameter of the shaft) 2d + 13 mm 3.5d d + 17 mm 2d + 20 mm 2d + 13 mm 3.5d d + 17 mm 2d + 20 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 8D²n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 8D²n ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tapered key which fits in a key way in the hub and is flat on the shaft, is known as Wood ruff key Gib-head key Feather key Flat saddle key Wood ruff key Gib-head key Feather key Flat saddle key 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 If threads on a bolt are left hand, threads on nut will be Left hand with same pitch Could be left or right hand Right hand with same pitch Right hand with fine pitch Left hand with same pitch Could be left or right hand Right hand with same pitch Right hand with fine pitch ANSWER DOWNLOAD EXAMIANS APP
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