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 In V-belt drive, belt touches Could touch anywhere At bottom At sides only Both at bottom and sides Could touch anywhere At bottom At sides only Both at bottom and sides ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hot short metal is Brittle under all conditions Brittle when hot Brittle when cold Ductile at high temperature Brittle under all conditions Brittle when hot Brittle when cold Ductile at high temperature ANSWER DOWNLOAD EXAMIANS APP
Machine Design Machine screws are Similar to small size tap bolts except that a greater variety of shapes of heads are available Slotted for a screw driver and generally used with a nut Similar to stud Used to prevent relative motion between two parts Similar to small size tap bolts except that a greater variety of shapes of heads are available Slotted for a screw driver and generally used with a nut Similar to stud Used to prevent relative motion between two parts ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be 6 8 10 4 6 8 10 4 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The longitudinal stress is __________ of the circumferential stress. Three-fourth Two-third Double One-half Three-fourth Two-third Double One-half ANSWER DOWNLOAD EXAMIANS APP
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