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What is some good advice for specifying allowable pressure drops in shell and tube exchangers for heavy hydrocarbons?
1228What is a good approximation for the heat transfer coefficient of hydrocarbons inside 3/4" tubes?
1173Why is a vacuum breaker used on shell and tube heat exchangers that are utilizing steam as the heating utility?
1283For a heat exchanger, will the overall heat transfer coefficient increase along with an increase in lmtd (log mean temperature difference) around the unit?
1138Post New Chemical Engineering Questions
What types of metals are typically removed via chemical precipitation?
what is the difference between car seal close/open valves and lock close/open valves?
What is the import procurement cycle?
How many grams per liter would there be in a 0.35 n (normality) citric acid solution?
What is the largest application for surfactants?
Explain what is a quick way to calculate frictional pressure drops in carbon steel pipe?
Are there any general rules for flushing slurry lines?
Why should chemical equation be balanced?
For what ration of Lengh/Dia. of tank (Jacketed tank), maximum heat transfer area is available?
What are some of the consequences of an undersized kettle type reboiler?
What are the advantages and disadvantages of using gear pumps?
X is strong but has a very low density (1% of traditional earth materials.) and hence light weight. It is a recyclable material. The compression behaviour of X is strain rate dependent. Higher strain rates result in higher initial modulus and higher compression strength. It can also withstand unlimited number of cycling loading provided the repetitive loads are kept below 80% of the compressive strength. The internal structure of the material includes air-traps which make it poor heat conductor. X is non- biodegradable and chemically inert in both soil and water. Most acids and their water solutions do not attack it; however strong oxidizing acids do. Solvents which attack X include esters, ketones, ethers, aromatic and aliphatic hydrocarbons and their emulsions, among others. It does not support bacterial/fungal growth as well .It also has significant acoustic properties and effectively reduces the transmission of airborne sound. X is combustible and should not be exposed to open flame or other ignition sources. Combustion products are carbon monoxide, carbon dioxide, water and soot. Long-term exposure to sunlight causes yellowing and a slight embrittlement of the surface due to ultraviolet light. X is able to withstand the rigours of temperature cycling, assuring long-term performance.
A shiny brown colored element ‘x’ on heating in air becomes black in cooler name the element ‘x’and black colored compound formed?
Which type of pneumatic control valve is used mostly Either Air to Open r Air to close the value And guys I need reason for your reason
What are the various utilities of the process plant?
