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 a multiple V-belt drive, if one of the belts break, then The broken belt and the belt on either side of it, is replaced The broken belt need not to be replaced Only the broken belt is replaced The entire set of belts is replaced The broken belt and the belt on either side of it, is replaced The broken belt need not to be replaced Only the broken belt is replaced The entire set of belts is replaced ANSWER DOWNLOAD EXAMIANS APP
Machine Design The relation between the pitch of the chain (p) and pitch circle diameter of the sprocket (D) is given by (where T = Number of teeth on the sprocket) p = D sin (360°/T) p = D sin (90°/T) p = D sin (120°/T) p = D sin (180°/T) p = D sin (360°/T) p = D sin (90°/T) p = D sin (120°/T) p = D sin (180°/T) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Form coefficient of spring is Load required to produce unit deflection Concerned with strength of wire of spring Ratio of coil diameter to wire diameter Its capability of storing energy Load required to produce unit deflection Concerned with strength of wire of spring Ratio of coil diameter to wire diameter Its capability of storing energy ANSWER DOWNLOAD EXAMIANS APP
Machine Design The steel pulleys are __________ in weight than cast iron pulleys of the same capacity. Moderate Heavier Lighter None of these Moderate Heavier Lighter None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In cylindrical cams, the follower moves In any direction irrespective of cam axis In a direction perpendicular to the cam axis Along the cam axis In a direction parallel to the cam axis In any direction irrespective of cam axis In a direction perpendicular to the cam axis Along the cam axis In a direction parallel to the cam axis ANSWER DOWNLOAD EXAMIANS APP
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