Related InterviewSolutions

• The cathodic reaction that occurs during corrosion in oxygenated acidic solution is ______(a) 2H^++2e^–==>H2(b) 4H^++O2+4e^–==>2H2O(c) 2H2O+2e^–==>H2+2OH^–(d) 2H2O+O2+4e^–==>4OH^–This question was posed to me in an online quiz.This is a very interesting question from Corrosion and its Classification in section Corrosion Principles of Corrosion Engineering
• Grain boundaries are the mismatch regions formed between two grains during solidification.(a) True(b) FalseI got this question by my college director while I was bunking the class.Origin of the question is Principles topic in section Corrosion Principles of Corrosion Engineering
• Rate of oxidation is equals to the rate of reduction in corrosion.(a) True(b) FalseI got this question during an internship interview.The above asked question is from Corrosion Rate Expression in section Corrosion Principles of Corrosion Engineering
• Concentration polarization is considered in both anodic and cathodic reactions.(a) True(b) FalseI have been asked this question at a job interview.Origin of the question is Corrosion Principles in division Corrosion Principles of Corrosion Engineering
• Which following expression is used to find the corrosion rate from current density of a corroding specimen?(a) W/At = [(I × am) / (n × F)](b) W/At = [(I × am) / (n × d × F)](c) W/At = [534 × (I × am) / (n × F)](d) W/At = [(I × am) / (n × F)] and W/At = [(I × am) / (d × n × F)]This question was posed to me by my college director while I was bunking the class.This intriguing question comes from Corrosion Rate Expression topic in portion Corrosion Principles of Corrosion Engineering
• Thermal gradients across the metal wall causes Stress cracking corrosion.(a) True(b) FalseI have been asked this question in examination.Asked question is from Corrosion Damage in division Corrosion Principles of Corrosion Engineering
• Preventive action on corrosion is necessary and economical.(a) True(b) FalseThis question was addressed to me in an interview for internship.Enquiry is from Corrosion Damage in portion Corrosion Principles of Corrosion Engineering
• Which of the following corrosion damage is more emphasized in the construction material of restaurants?(a) Loss of appearance(b) Maintenance and operating cost(c) Effect of safety(d) Both loss of appearance and effect of safetyThe question was posed to me in a job interview.This key question is from Corrosion Damage in chapter Corrosion Principles of Corrosion Engineering
• Which of the following is considered as high corrosive resistant material?(a) Mild steel(b) Cast iron(c) Zinc(d) Stainless steelThe question was asked in an international level competition.This question is from Corrosion and its Classification in portion Corrosion Principles of Corrosion Engineering
• The rate of chemical reaction increases with an increase in temperature.(a) True(b) FalseThis question was addressed to me in an international level competition.The origin of the question is Effect of Temperature and Corrosive Concentration topic in chapter Corrosion Principles of Corrosion Engineering