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Discuss reverse osmosis method of purification of water.
engineering chemistry updated 9.0 years ago by teamques10 ★ 70k
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Define conducting polymers. Explain intrinsic and doped conducting polymer with examples.
engineering chemistry updated 9.0 years ago by teamques10 ★ 70k
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What is Glass transition temperature explain its significance and factors affecting it
engineering chemistry updated 9.0 years ago by teamques10 ★ 70k
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Distinguish between thermoplastic and thermosetting polymers.
engineering chemistry updated 9.0 years ago by teamques10 ★ 70k
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Explain in brief Compounding of plastics
engineering chemistry updated 9.0 years ago by teamques10 ★ 70k
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Discuss any following
engineering chemistry updated 9.0 years ago by teamques10 ★ 70k
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6.9k
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Distinguish between thermoplastic and the thermosetting resins.
engineering chemistry updated 9.0 years ago by teamques10 ★ 70k
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What are the drawbacks of natural rubber.
engineering chemistry updated 9.0 years ago by teamques10 ★ 70k
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Explain with a neat diagram, the zeolite process of water softening including the following points.
engineering chemistry updated 9.0 years ago by teamques10 ★ 70k
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The hardness of 75,000 litres of a water sample was completely removed by a permutit.
engineering chemistry updated 9.0 years ago by teamques10 ★ 70k
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What is activated sludge? Explain the method with a flow-sheet diagram.
engineering chemistry updated 9.0 years ago by teamques10 ★ 70k
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Calculate the quantity of pure lime (70% pure) and soda (85%pure) required for softening of 100,000 litres of water containing the following impurities in ppm
engineering chemistry updated 9.0 years ago by teamques10 ★ 70k
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A 5ml sample of waste water was refluxed with 30ml of potassium dichromate solution and after refluxing the excess unreacted dichromate required 23ml of 0.1M FAS solution.
engineering chemistry updated 9.0 years ago by teamques10 ★ 70k
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Why is Hot lime-soda process preferred over cold lime-soda method?
engineering chemistry updated 9.0 years ago by teamques10 ★ 70k
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Write short notes on (i) Decay of concrete and its prevention. (ii) Setting and hardening of cement.
engineering chemistry updated 9.5 years ago by teamques10 ★ 70k
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1.5k
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Define Gibbs phase rule.
engineering chemistry updated 9.5 years ago by teamques10 ★ 70k
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what are the conditions for the use of solid lubricants? Explain the structure and uses of graphite.
engineering chemistry updated 9.5 years ago by teamques10 ★ 70k
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Explain the role of lubricants and plasticizers in the compounding of plastics.
engineering chemistry updated 9.5 years ago by teamques10 ★ 70k
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1.5k
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Find the Saponification value of given sample.
engineering chemistry updated 9.5 years ago by teamques10 ★ 70k
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3.5k
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Saponification value of oil.
engineering chemistry updated 9.5 years ago by teamques10 ★ 70k
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1.6k
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Find the acid value of vegetable oil whose 5 ml requires 2ml of N/100 KOH during lubrication(density of oil =0.92g/ml)
engineering chemistry updated 9.5 years ago by teamques10 ★ 70k
1
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13k
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State the mechanism of thick film lubrication.
engineering chemistry updated 9.5 years ago by teamques10 ★ 70k
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Define lubrication and give functions of lubricant.
engineering chemistry updated 9.5 years ago by teamques10 ★ 70k
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1.3k
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Discuss the following treatment methods for municipal water (any two) $(i) \ Bleaching \ \ powder \\ (ii) \ Ozone \\ (iii) \ Chlorine.$
engineering chemistry updated 9.5 years ago by teamques10 ★ 70k
4
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Explain in brief Compounding of plastics
engineering chemistry updated 9.5 years ago by teamques10 ★ 70k
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