Kindly write short answers( True or False)

41 42 As the dissolved salt content of the electrolyte increases, the TF solubility of the corrosive gases decreases. Corrosion rate increases when NaCl concentration of the TF electrolyte is less than 3 wt%. Corrosion rate increases when NaCI content of the electrolyte increases from 3 to 20 wt% although oxygen is present. TF 43 44 TF 45 TF 46 TF 47 The conductivity of a solution is a measure its ability to transport current. Corrosion rate increases when calcium salt form on the metal has negative saturation index (SI). Usually the rate of corrosion decreases as velocity increases. The types of corrosion are the same at stagnant, low velocity, or high velocity Stagnant electrolyte may have higher corrosion rate than that of high velocity electrolyte. Regarding the relative area ratio in galvanic corrosion, the role says Avoid a small cathode and a large anode". In an open system, the corrosion rate usually increases with temperature. TF 48 TF 49 TF 50 TF 51 TF 52 TF 53 TF 54 TF 55 TF When corrosion is controlled by O2 diffusion, the corrosion rate approximately doubles for every 30C rise in temperature. Increase in temperature affects the chemical composition and physical properties of the electrolyte. Thermo-galvanic effects arise in which the potential of the metal varies with temperature Proper heat treatment means heating and cooling metals with the control of time only Proper heat treatment means heating and cooling metals with the control of time and temperature. Heat treatment improves the mechanical properties only. Heat treatment improves the mechanical and corrosion properties. Sensitization is one type of heat treatment to improve the mechanical properties. Sensitization is the precipitation of chromium carbides at the grain boundaries of austenitic stainless steels. The attack that occurs along the grain boundaries of austenitic stainless steels is IGC 56 TF 57 TF 58 TF 59 T TF 60 TF