BE Civil Engineering
BE Computer Engineering
BE Mechanical Engineering
BE Biotechnology
BE Marine Engineering
BE Printing and Packaging Technology
BE Production Engineering
BE IT (Information Technology)
BE Electrical Engineering
BE Electronics and Telecommunication Engineering
BE Instrumentation Engineering
BE Electronics Engineering
BE Chemical Engineering
BE Construction Engineering
BE Biomedical Engineering
BE Automobile Engineering
Academic Year: 2016-2017
Date: June 2017
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Please check whiether you have got the right question paper.
N.B (1) Question No.1 is compulsory.
(2) Attempt any three question from the remaining questions.
(3) All questions carry equal marks.
(4) Atomic weights : [Ca= 40 C= 12. 0=16. H=1.Mg=24. S=32 CI = 35.5]
What are cation and anion exchangers?
Chapter: [1] Water
Give the preparation, properties and uses of polymethyl methacrylate polymer.
Chapter: [2] Polymers
A 10ml of sample of waste water was refluxed with 20ml of potassium dichromate solution and after refluxing the excess unreacted dichromate required 36.2ml of 0. 1M FAS solution. A blank of 1Om/ of distilled water on refluxing with 20ml of dichromate solution required 46ml of 0. 1M FAS solution. Calculate the COD value of waste water.
Chapter: [1] Water
What are the draw backs of natural rubber?
Chapter: [2] Polymers
Explain CVD method for production of CNTs.
Chapter: [6.02] Nanomaterials
Calculate the amount of lime {80 %purity) and soda {90% purity) required for softening of 50,000 of hard water whose chemical analysis results are given below. Ca(HCO3 ) = 40.5 mg/L, Mg( HCO3)2 = 73.0 mg/L, MgSO4 = 60.0 mg/L, CaSO4 = 34.0 mg/L, CaCl2 = 27.5 mg/L and NaCI = 20.0 mg/L.
Chapter: [1] Water
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Mention the conditions under which semi-solid lubricants can be used
Chapter: [4] Lubricants
Explain with the help of chemical reactions 'setting and hardening' process of cement.
Chapter: [6.01] Cement
Write a short note on Injection moulding method for plastic.
Chapter: [2] Polymers
List the uses of polymer in medicine and surgery.
Chapter:
Draw and explain important features of phase diagram of water system.
Chapter: [5] Phase Rule
Mention the Raw material of Portland cement along with their percentage composition.
Chapter: [6.01] Cement
Ten thousand litres of hard water was made soft with zeolite. The exhausted zeolite required a total amount of 8 lit of NaCl solution containing 150 gm per litre for regeneration. Calculate the hardness of water.
Chapter: [1] Water
Explain lon-exchange process for Softening of hard water. What are its advantages and disadvantages.
Chapter: [1] Water
9ml of oil is taken from machine and it requires 1.5ml of 0.04 N KOH. Find acid value( density= 0.81 g/ml)
Chapter: [4] Lubricants
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What are the additives mixed with plastics for its compounding? Explain their functions.
Chapter: [2] Polymers
Distinguish between thermoplastic and thermosetting resins. ?
Chapter: [2] Polymers
Write a note on Visco-elastic state.
Chapter: [2] Polymers
Write a note on Ultrafiltration method for purification of water.
Chapter: [1] Water
What are the functions of lubricants.
Chapter: [4] Lubricants
What is the mathematical form of the Gibbs phase rule equation? Explain the meaning of each one of the term involved in it.
Chapter: [5] Phase Rule
What is lubrication? Explain the mechanism of fluid film lubrication.
Chapter: [4] Lubricants
What is meant by Triple point? Apply phase rule and find degree of freedom for triple point.
Chapter: [5] Phase Rule
Distinguish between temporary and permanent hardness of water.
Chapter: [1] Water
Describe the wet process for manufacture of Portland cement.
Chapter: [6.01] Cement
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