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 Crushing resistance required to crush the rivet per pitch length is p.d.σc p.t.σc n.d.t.σc (p - d) t.σc p.d.σc p.t.σc n.d.t.σc (p - d) t.σc ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the levers of third type, the mechanical advantage is __________ one. Less than None of these More than Equal to Less than None of these More than Equal to 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 In a direction parallel to the cam axis Along the cam axis In any direction irrespective of cam axis In a direction perpendicular to the cam axis In a direction parallel to the cam axis Along the cam axis ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of V belt drive The belt should touch the bottom of groove in the pulley None of these The belt should not touch the sides of groove in the pulley The belt should not touch the bottom of groove in the pulley The belt should touch the bottom of groove in the pulley None of these The belt should not touch the sides of groove in the pulley The belt should not touch the bottom of groove in the pulley ANSWER DOWNLOAD EXAMIANS APP
Machine Design The plasticity is the property of a material which enables it to Resist fracture due to high impact loads Regain its original shape after deformation when the external forces are removed Retain deformation produced under load permanently Draw into wires by the application of a tensile force Resist fracture due to high impact loads Regain its original shape after deformation when the external forces are removed Retain deformation produced under load permanently Draw into wires by the application of a tensile force ANSWER DOWNLOAD EXAMIANS APP
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