BE Production Engineering
BE Marine Engineering
BE Construction Engineering
BE Instrumentation Engineering
BE Printing and Packaging Technology
BE Mechanical Engineering
BE Civil Engineering
BE Electrical Engineering
BE IT (Information Technology)
BE Biotechnology
BE Electronics and Telecommunication Engineering
BE Computer Engineering
BE Chemical Engineering
BE Biomedical Engineering
BE Automobile Engineering
BE Electronics Engineering
Academic Year: 2017-2018
Date: December 2017
1). Question No . 1 is compulsory .
2) Answer any three questions from the remaining five .
Distinguish between BOD and COD.
Chapter: [1] Water
Give the preparations, properties and uses of Kevlar.
Chapter: [2] Polymers
Calculate the total hardness in ppm in given water sample.
: 50ml of standard hard water , containing 1mg pure CaCO3 per ml consumed 20ml EDTA solution.
: 50ml of water sample consumed 30ml EDTA solution using EBT indicator.
Chapter: [1] Water
Define flash point and fire point? Give its significance.
Chapter: [4] Lubricants
State the number of phases I component for the following equilibrium
i) H2O(s) ↔ H20(l) ↔ H20(g)
ii)Mixture of Rhombic and monoclinic sulphur.
Chapter: [5] Phase Rule
What are plasticizers? Give its uses and examples.
Chapter: [2] Polymers
Write a brief note on CNTs.
Chapter: [6.02] Nanomaterials
Calculate the quantity of the pure lime and soda required for softening of 1,00,000 litres of water containing the following impurities in ppm. The purity of lime is 70% and soda is BS% Ca(HCO3) = 30.2 , Mg(HCO3) = 20.8 ,CaCI2 = 28.1 ,MgCl2 = 8.78, CaSO4 = 35, MgSO4 = 6.7 .
Chapter: [1] Water
Distinguish between thermoplastic and thermosetting resins. ?
Chapter: [2] Polymers
What is Decay of concrete? Discuss its prevention.
Chapter: [6.01] Cement
Define Fabrication. List the methods used. Discuss extrusion moulding in detail.
Chapter: [2] Polymers
What are the limitations of Phase rule?
Chapter: [5] Phase Rule
Draw a neat, labelled diagram of the rotatory kiln.
Chapter: [6.01] Cement
15000 litres of hard water was passed through a zeolite softener. The exhausted zeolite required 120 litres of NaCI having stream of 30g/l of NaCL Calculate the hardness of water.
Chapter: [1] Water
What is activated sludge? How is the process carried out for treatment of waste water? Explain with a flow sheet diagram.
Chapter: [1] Water
20ml of lubricating oil was dissolved in alcohol The solution was titrated against 0.1 N KOH solution. At the end point the burette reading was found to be 2. 5ml calculate the acid value of the oil. ( density of oil= 0.86 g/ml)
Chapter: [4] Lubricants
Distinguish between the dry and wet process for manufacturing of Portland cement.
Chapter: [6.01] Cement
List the uses of polymer in medicine and surgery.
Chapter: [2] Polymers
Giass transition temperature
Chapter: [2] Polymers
Write a brief note on conducting polymers.
Chapter: [2] Polymers
Vulcanisation
Chapter: [2] Polymers
Discuss the treatment of water using bleaching powder
Chapter: [1] Water
Explain the mechanism of Extreme pressure lubrication.
Chapter: [4] Lubricants
What is reduced phase rule"? Draw the phase diagram of the Ag-Pb system with proper labelling.
Chapter: [5] Phase Rule
What are the conditions for use of solid lubricants? Discuss the structure and uses of Graphite.
Chapter: [4] Lubricants
Discuss triple point in one component system
Chapter: [5] Phase Rule
Write a note on fullerene.
Chapter: [6.02] Nanomaterials
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