ANAND INTERNATIONAL COLLEGE OF ENGINEERING
Engineering Chemistry Question Bank
Water
1. What is hardness of water? Explain temporary and permanent hardness of water.
2. Write the units of harness and their interrelation.
3. What is the cause of hardness of water.
4. What is role of buffer solution in EDTA method.
5. What the reasons for boiler corrosion.
6. What are Ion exchange resins.
7. Why hardness is expressed in terms of CaCO3.
8. What are the harmful effects of scale and sludge formation in boilers.
9. Explain EDTA method for determination of hardness.
10.Describe the continuous hot lime-soda method for softening of hard water. Also give
the chemical reactions involved in it.
11.Explain deionization of water. Compare all the three methods of softening.
12. Discuss the priming and foaming. How these problems be prevented.
13.Explain Break point chlorination.
14.What are the requisites of water for drinking purpose. Explain the process of
Purification.
FUELS
1. What is meant by calorific value of fuel? Distinguish between gross and net calorific
value of fuel.
2. How fuels are classified.
3. Write the characteristics of a good fuel.
4. What are characteristics of good metallurgical coke?
5. What is proximate analysis of coal? Write its significance.
6. Write the determination of carbon and hydrogen by ultimate analysis. What is the
importance of ultimate analysis?
7. What is carbonization? How metallurgical coke is manufactured by Otto-Hoffmann’s
by product oven method.
8. How calorific value of solid fuel is determined by bomb calorimeter.
9. Write the corrections of bomb calorimeter.
10.With the help of neat diagram, describe how synthetic petrol is synthesized by
water gas.
11.Write a short note on: 1. Oil gas 2.Coal gas 3. Reforming
12.What is cracking? Explain fixed or moving bed catalytic cracking to obtain
Gasoline.
13.How calorific value of gaseous fuel is determined by Junker’s calorimeter.
14.What is meant by knocking? How it is related with chemical structure.
15.What is octane number?
CORROSION
1. Define corrosion.
2. What is Pilling-Bedworth rule?
3. What do you understand by galvanization?
4. Explain sacrificial anodic protection method to minimize corrosion.
5. Explain the mechanism of dry corrosion.
6. Explain the rusting of Iron by Electrochemical corrosion.
7. Describe any two methods of protection from corrosion.
INORGANIC ENGINEERING MATERIALS
1. Explain Thick and thin layer mechanism of lubrication.
2. Cloud and Pour point, Fire and flash point
3. Viscosity and viscosity index.
4. Steam emulsion number.
5. Write the determination of viscosity by Redwood’s viscometer.
6. Describe the manufacturing of cement by Rotary kiln technology with diagram and
reactions involved in it. Explain the role of gypsum.
7. Write the chemistry involved in setting and hardening of cement.
8. What is glass? How glass is manufactured.
Organic Reaction Mechanism
1. Write the synthesis, properties and uses of Paracetamol and Aspirin.
2. Why do substitution reactions occur in benzene?
3. Explain mechanism of electrophilic and free radical addition in alkenes.
4. Explain electrophilic substitution in benzene.
5. What are the different types of organic reactions? Explain them with an example.
6. What are (a) Electrophilic reagent (b) Nucleophilic reagent, give two examples of
each.
