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 endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of 0.45 0.75 0.65 0.55 0.45 0.75 0.65 0.55 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A locking device extensively used in automobile industry is a Jam nut Ring nut Castle nut Sawn nut Jam nut Ring nut Castle nut Sawn nut ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flange coupling, the flanges are coupled together by means of None of these Studs Bolts and nuts Headless taper bolts None of these Studs Bolts and nuts Headless taper bolts ANSWER DOWNLOAD EXAMIANS APP
Machine Design When spring index increases, the value of Wahl's stress factor Increases linearly Remains same Decreases linearly Increases exponentially Increases linearly Remains same Decreases linearly Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material commonly used for crane hooks is Mild steel Wrought iron Aluminium Cast iron Mild steel Wrought iron Aluminium Cast iron ANSWER DOWNLOAD EXAMIANS APP
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