Machine Design When spring index increases, the value of Wahl's stress factor Decreases linearly Increases linearly Increases exponentially Remains same Decreases linearly Increases linearly Increases exponentially Remains same ANSWER DOWNLOAD EXAMIANS APP
Machine Design The railway carriage couplings have Square threads Acme threads Knuckle threads Buttress threads Square threads Acme threads Knuckle threads Buttress threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to M + √(M² + T²) (1/2) × [M + √(M² + T²)] √(M² + T²) (1/2) × √(M² + T²) M + √(M² + T²) (1/2) × [M + √(M² + T²)] √(M² + T²) (1/2) × √(M² + T²) 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 The bearings of heavy series have capacity __________ over the medium series. 30 to 40% 10 to 20% 20 to 30% 40 to 50% 30 to 40% 10 to 20% 20 to 30% 40 to 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of thick cylinders, the tangential stress across the thickness of cylinder is Maximum at the outer surface and minimum at the inner surface Maximum at the outer surface and zero at the inner surface Maximum at the inner surface and zero at the outer surface Maximum at the inner surface and minimum at the outer surface Maximum at the outer surface and minimum at the inner surface Maximum at the outer surface and zero at the inner surface Maximum at the inner surface and zero at the outer surface Maximum at the inner surface and minimum at the outer surface ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS