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 For same pulley diameters, center distance, belt speed and belt and pulley materials, Open belt drive transmits more power than crossed belt drive Open and crossed belt drives transmit same power Crossed belt drive transmits more power than open belt drive Power transmission does not depend upon open and crossed types of constructions Open belt drive transmits more power than crossed belt drive Open and crossed belt drives transmit same power Crossed belt drive transmits more power than open belt drive Power transmission does not depend upon open and crossed types of constructions ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts will have equal strength, if Twisting moment of both the shafts is same Angle of twist of both the shafts is same Material of both the shafts is same Diameter of both the shafts is same Twisting moment of both the shafts is same Angle of twist of both the shafts is same Material of both the shafts is same Diameter of both the shafts is same ANSWER DOWNLOAD EXAMIANS APP
Machine Design The draw of cotter need not exceed 10 mm 3 mm 5 mm 20 mm 10 mm 3 mm 5 mm 20 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual number of teeth (T) is 1/sinθ 1/tanθ 1/cosθ sinθ cosθ 1/sinθ 1/tanθ 1/cosθ sinθ cosθ ANSWER DOWNLOAD EXAMIANS APP
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