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 function of cutting oil when threading a pipe is to Lubricate the dies All of these Help removes chips Provide cooling action Lubricate the dies All of these Help removes chips Provide cooling action ANSWER DOWNLOAD EXAMIANS APP
Machine Design A locking device extensively used in marine type connecting rod ends is a Castle nut Sawn nut Jam nut Ring nut Castle nut Sawn nut Jam nut Ring nut ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wire ropes as compared to cotton ropes Offer silent operation Are lighter in weight Can withstand shock loads All of these Offer silent operation Are lighter in weight Can withstand shock loads All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The property of a material which enables it to resist fracture due to high impact loads is known as Toughness Elasticity Strength Endurance Toughness Elasticity Strength Endurance ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 15 m/s 20 m/s 12.5 m/s 10 m/s 15 m/s 20 m/s 12.5 m/s 10 m/s ANSWER DOWNLOAD EXAMIANS APP
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