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Process Development
How can a chemical production engineer improve the process with respect to yield & quality?
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What common name for
1) 2-methyl-3-pentanol
2) 3-phenyl-2-butanol
3) cis-1,4-cyclohexadiol
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How to conduct the VLE experiment at atmospheric pressure?
Anyone can help me to explain how to conduct the VLE experiment for propane and heptane composition? it is possible to use normal stirring extraction method for the experiment? And how much amount of heptane and propane that should i use if i choose the temperature range of 0-60 degree Celsius?
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Domestic refrigeration
I need to work out all on my own what the length of the capillary tube should be and what the id of it must be for different types of domestic refrigerant and compressor sises
We use R22 ;R134A ;and R600 refrigerant gasses and 1/6 ;1/5 and 1/4 hp comresors . The fridges all differ in size -
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Pressure Purging
Hi
please i need some help here
i want to ask a few questions about pressure purge method used for inert a vessel:
1-Does The Material/ Gas inside the vessel affect the purge technique ?
2-What about an inlet natural gas filter ( with elements ), does the element affects the purge ?
3- why in some books when implement the equation to calculate number of purge cycle-... -
Furnace
As we know steel making is done in a furnace at very high temperatures, but how is that temperature maintained in a furnace on continuous basis ??
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Convert the units
In the American Engineering system of units, the viscosity can have units of (lbf)(hr)/ft^2, while in the SI system, the units are (g)/(cm)(s). Convert a viscosity of 20.0 (g)/(m)(s) to the given American Engineering units?
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Calculate Heating of Natural Gas
How can we calculate heating of natural gas?
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Coating in Cement Mill Fan and Separator
Why there is coating in cement mill fan and separator ?
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Green Gases Effects on Temperature
What are green gases? Does water release green gas? How green gas effects on temperature? How is plaster of Paris made? Is combustion is a Unit Operation or Unit Process or nothing?
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Standard Hydrogen Electrode
When standard hydrogen electrode is compared with Cu and Fe respectively which will act as anode and which will be cathode? and Why?
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Unit operations Distillation
What is the effect of pressure in the Distillation Operation? It is also said that when the vapor pressure of the liquid component equals the atmospheric pressure, boiling occurs; can anyone give me an example for this type of Distillation?Thank you
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Standard Hydrogen Electrode
When Standard Hydrogen Electrode is compared with Cu it is first cell and when Standard Hydrogen Electrode is compared with Fe. in first cell which will act as anode or cathode and in 2nd cell which will act as anode or cathode and why?
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Microorganisms
What is difference between micro-organisms & micro pollutants?
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Storage Tank Design
Why storage tank maximum height is 20m? Where else one can vary diameter of it, yes or no!
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Biodegradable Plastics
What is the important properties of biodegradable plastics?
Which properties helps plastics to resist water? -
Solar Cells Decompose Lifetime
We all know Solar cells lifetime is about 20+yrs. How can we be able to decompose the dead solar cells? Is it fully bio-degradable?
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Thermodynamics Carnot co-efficient of performance (COP)
The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is, less or more? Can any one help me out with an explanation...
Chemical Engineering Interview Questions
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