• Engineering Chemistry

    Corrosion Science Viva Questions

    Corrosion Science Viva Questions Corrosion Science Viva Questions, Viva Questions on Corrosion Science, Science of Corrosion Viva Questions, Engineering Chemistry Viva Questions, Engineering Viva Questions Water Treatment Viva Questions Short Answer Questions Q.1. Define corrosion. Ans. Any process of deterioration and consequent loss of solid metallic materials through an unwanted chemical or electrochemical attack by its environment is called corrosion. Q.2. What is meant by rusting of iron? Ans. The attack of atmospheric gases on iron or steel, formation of a layer of the reddish scale of hydrated ferric oxide fe2O3 · 3H2O on its surface is known as rusting of iron. Q.3. What is dry corrosion? Ans. Dry corrosion…

  • Engineering Chemistry

    Electrochemistry Viva Questions

    Electrochemistry Viva Questions Electrochemistry Viva Questions, Viva Questions on Electrochemistry, Short answer questions on Electrochemistry, Engineering Chemistry Viva Questions, Engineering Viva Questions, Electrochemistry Viva Questions Polymer Viva Questions Short Answer Questions Q.1. How can you test whether the given electrolyte is a strong electrolyte or a weak electrolyte? Ans. If the aqueous solution of the electrolyte conducts electricity to a large extent, it is a strong electrolyte and if to a small extent, it is a weak electrolyte Q.2. Define specific conductivity and mention its units. Ans. The specific conductance of a solution is defined as the conductance of 1 cm3 of the solution of the electrolyte. Its unit is…

  • Engineering Chemistry

    Fuels and Combustion Viva Questions

    Fuels and Combustion Viva Questions Fuels and Combustion Viva Questions, Viva Questions on Fuels and Combustion, Short Answer Questions on Fuels and Combustion, Engineering Chemistry Viva Questions, Engineering Viva Questions Polymer Viva Questions Short Answer Questions Q.1. Define fuel and give some examples. Ans. Fuel is a combustible substance containing carbon as the major constituent which on proper burning gives a large amount of heat that can be used economically for domestic and industrial purposes. Examples are coal, petrol, diesel, etc. Q.2. Write the classification of fuels according to the occurrence. Ans. According to the occurrence, the fuels are classified into natural (primary) and secondary (derived) fuels. Q.3. What are…

  • Engineering Chemistry

    Polymer Viva Questions

    Polymer Viva Questions Polymer Viva Questions, Short Answer Questions on Polymer, Viva Questions on Polymer, Engineering Chemistry Viva Questions, polymers questions and answers, polymers exam questions, polymers important questions, polymer question bank, multiple-choice questions on polymers with answers, polymer MCQ for gate, polymer interview questions, polymer chemistry quiz questions, Polymer Viva Questions Water Treatment Viva Questions Fuels and Combustion Viva Questions Short Answer Questions Q.1. What is a monomer? Ans. The repeating unit present in the formation of a polymer is known as a monomer. Q.2. What is a polymer? Ans. Polymers are macromolecules of high molecular masses built up by linking together a large number of small, repeated units by a covalent bond. Q.3. What is meant by polymerisation? Ans.…

  • Engineering Chemistry

    Water Treatment Viva Questions

    Water Treatment Viva Questions Water Treatment Viva Questions, Viva Questions on Water Treatment, Water Technology Viva QuestionsEngineering Chemistry Viva Questions, Engineering Viva Questions, Short Answer Questions on Water Treatment Polymer Viva Questions Corrosion Science Viva Questions Short Answer Questions Q.1. Name the main sources of water. Ans. Sea water, rain water, ground water, and surface water. Q.2. What is the cause for the alkalinity of natural water? Ans. Due to the presence of dissolved bicarbonates of Ca and Mg in water. Q.3. Define the hardness of the water. Ans. Hardness is the characteristic property, which produces white scum on treating with the soap solution. Q.4. Why does not hard water…