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Outline the chemical reactions involved in the lime-soda method of softening water.
engineering chemistry updated 4.2 years ago by ketayuvaraj99 • 0
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Explain construction and working of a solar cell.
engineering chemistry updated 4.2 years ago by 560sh246 • 10
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Draw a neat diagram and explain working of photovoltaic cell.
engineering chemistry updated 4.2 years ago by 560sh246 • 10
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Draw a neat labelled diagram and explain how is it possible to obtain electricity from geothermal energy.
engineering chemistry updated 4.7 years ago by teamques10 ★ 70k
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State the principle and working of photovoltaic cell used for solar energy.
engineering chemistry updated 4.2 years ago by ketayuvaraj99 • 0
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The hardness of 10,000 Litres of hard water sample was completely removed by passing it through a zeolite softener. The zeolite softener required 5000litres of NaCl solution containing 1170 mg of NaC
engineering chemistry updated 4.0 years ago by yerasylmakulbe671 • 10
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Numerical on analysis of coal
engineering chemistry updated 4.0 years ago by yerasylmakulbe671 • 10
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911
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1
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chemistry analyze the amount of softener
engineering chemistry updated 4.0 years ago by yerasylmakulbe671 • 10
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2.7k
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phase rule problem
engineering chemistry updated 4.0 years ago by 19bcs3866 • 10
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Short notes on $-$ a) reverse osmosis b) electro dialysis c) ultra-filtration
engineering chemistry updated 9.6 years ago by teamques10 ★ 70k
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What is the total hardness of sample of water containing following impurities in $mg/lCa(HCO3)2=162$ , CaCl2=22.2 , NaCl=20 , $MgCl_2=95$
engineering chemistry updated 9.6 years ago by teamques10 ★ 70k
5
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1
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Explain the principle of EDTA method.
engineering chemistry updated 9.6 years ago by teamques10 ★ 70k
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1
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Calculate lime & soda recorded for softening 1 litre of water.
engineering chemistry updated 9.6 years ago by teamques10 ★ 70k
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1
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64k
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Define phase, component and degree of freedom.
engineering chemistry updated 3.3 years ago by yashbeer ★ 11k
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1
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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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1
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28k
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The hardness of 10,000 litres of a water sample was completely removed by passing it through a zeolite softener.
engineering chemistry updated 9.0 years ago by teamques10 ★ 70k
1
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1
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944
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1
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Describe a moulding method suitable for thermoplastic resins.
engineering chemistry updated 4.2 years ago by teamques10 ★ 70k
2
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1
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1.7k
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1
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Define lubrication and give functions of lubricant.
engineering chemistry updated 4.2 years ago by teamques10 ★ 70k
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1.7k
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1
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Under which conditions use of semi solid lubricants is preferred?
engineering chemistry updated 4.2 years ago by teamques10 ★ 70k
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1
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1.5k
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1
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Explain application of Gibbs phase rule to one component system.
engineering chemistry updated 4.2 years ago by teamques10 ★ 70k
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1
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1.4k
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1
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What are refractories? Give the preparation, properties and uses Carborundum bricks.
engineering chemistry updated 4.2 years ago by teamques10 ★ 70k
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1
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1.2k
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1
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(i) Decay of concrete (ii) Setting and hardening of cement.
engineering chemistry updated 4.2 years ago by teamques10 ★ 70k
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1
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1.4k
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1
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Draw neat diagram of rotary kiln in the manufacture of Portland cement? And mention the reactions in each zone.
engineering chemistry updated 4.2 years ago by teamques10 ★ 70k
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1
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7.9k
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1
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Numericals on hardness of water : A sample of water on analysis was found to contain following impurities in ppm. Calculate temporary permanent and total hardness.
engineering chemistry updated 5.8 years ago by teamques10 ★ 70k
1
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1
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9.1k
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1
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Numerical based on BOD and COD : 50 ml of water sample contains 840 ppm of dissolved oxygen
engineering chemistry updated 5.8 years ago by teamques10 ★ 70k
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