Machine Design Rankine Gordon formula for buckling is valid for Short column Very long column Long column Short and long column Short column Very long column Long column Short and long column ANSWER DOWNLOAD EXAMIANS APP
Machine Design The permissible stress for carbon steel under static loading is generally taken as 2000-3000 kg/m² 7500-10,000 kg/cm² 4000-4500 kg/cm² 3000-4000 kg/cm² 2000-3000 kg/m² 7500-10,000 kg/cm² 4000-4500 kg/cm² 3000-4000 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Machine Design The largest diameter of an external or internal screw thread is known as Pitch diameter Minor diameter None of these Major diameter Pitch diameter Minor diameter None of these Major diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw will be self locking, if Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is more than helix angle 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 Stress concentration in cyclic loading is more serious in Depends on other factors Brittle materials Ductile materials Equally serious in both cases Depends on other factors Brittle materials Ductile materials Equally serious in both cases ANSWER DOWNLOAD EXAMIANS APP