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1. What is the principle of Lime Soda process? Give their functions with chemical reactions.
2. Write notes on Reserve osmosis and Ultra filtration.
3. With a neat diagram explain the ion exchange method for water softening.
4. Calculate the quantity of lime and soda in 20% excess for softening 50,000 liters of hard water containing Ca(HCO3)2 = 8.1mgs/lit, Mg(HCO3)2 = 7.3mgs/lit, CaSO4 = 13.6mgs/lit, MgCl2 = 4.75mgs/lit, CaCl2 = 13.875mgs/lit, NaCl = 10mgs/lit.
5. A zeolite softener was exhausted after passing 4460 liters of hard water. Calculate the hardness of the water if it required 100 liters of salt solution containing 150gm NaCl/litre.
Consider that you are a senior consulting engineer and that you need to explain the topic in a written report to your customer, who is the managing director of a large company, and a commerce or law graduate.
Determine the concentration of the exhaust gas and Determine the flow rate of exhaust gas through the smokestack.
Outline the provisions of Occupational Safety and Health Act 2005 with regard to Substances hazardous to health Describe four types of hazard which arise from the use of chemicals
How long must the tube be made if the outlet oil temperature is 60 C? The Nusselt number for oil side is 5.56. F. water side.
A mixture of 65 mol% methane, 30 mol% hydrogen, and 5 mol% nitrogen is burned to heat a boiler used to produce hot steam. The ratio of CO2 to CO in the exhaust gas is 10:1. If 30% excess air is supplied, determine the concentration of the exhaust g..
Main objectives of the computer aided modeling and simulation system - Critically analyze the applicability, domain, features and advantages of the various systems available.
collect two journal articles related to process modeling/ simulation and review each article to summarize the contents. present the summary in paragraphs explaining the methodology, process and experimental procedure used in the study
Discuss the applicability of each model - Does it differ based on the interactions you would expect for each model. Can you conclude that one of the models is 'better' than the others from your graphs/analysis in Problems 3.1-2?
What does LD 50 mean in Industrial Toxicology and What is its significance to workers handling pesticides What units are used to quantify the standard service illuminance for specific work activities? Name the instrument used to appraise the lig..
the paint formerly used on some storage tanks contained aluminum powder which reflected heat from the surface of the
High-density polyethylene may be chlorinated by inducing the random substitution of chlorine atoms for hydrogen.
In terms of heat treatment and the development of microstructure, what are two major limitations of the iron-iron carbide phase diagram?
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