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Top 40 CHEMICAL ENGINEERING Interview Questions mostly asked in MNC's - Coolinterview.com
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diptiranjan kanungo
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Mar 24, 2012, 12:01:07 AM
3/24/12
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Chemical Engineering Interview Questions
What is Chemical engineering?
http://www.coolinterview.com/interview/36916/
How can wet carbon dioxide be responsible for a corrosion problem in iron-containing metals?
http://www.coolinterview.com/interview/36981/
How is plate heat exchangers used in an ammonia refrigeration system?
http://www.coolinterview.com/interview/37059/
How many grams per liter would there be in a 0.35 N (Normality) Citric acid solution?
http://www.coolinterview.com/interview/36977/
Are there flow velocity restrictions to avoid static charge build up in pipelines?
http://www.coolinterview.com/interview/37022/
Are some heat transfer services more prone to tube vibration that others for a shell and tube exchanger?
http://www.coolinterview.com/interview/37063/
What is a common failure mechanism for above ground atmospheric storage tanks?
http://www.coolinterview.com/interview/37031/
What is a good source of information for the design of pressure vessels?
http://www.coolinterview.com/interview/37020/
Explain the functioning of a three-way catalytic converter.
http://www.coolinterview.com/interview/36926/
What is happening when paint dries?
http://www.coolinterview.com/interview/36965/
How do you design a vapor-liquid separator or a flash drum?
http://www.coolinterview.com/interview/36999/
What are the advantages and disadvantages of using gear pumps?
http://www.coolinterview.com/interview/37055/
How does a tank-blanketing valve operate?
http://www.coolinterview.com/interview/37029/
What is an additive?
http://www.coolinterview.com/interview/36978/
What does the catalystic converter on an automobile really do?
http://www.coolinterview.com/interview/36957/
What are some common precipitating agents used to remove metals from aqueous waste streams?
http://www.coolinterview.com/interview/36972/
What are some of the consequences of an undersized kettle type reboiler?
http://www.coolinterview.com/interview/37064/
What is the largest application for surfactants?
http://www.coolinterview.com/interview/36961/
Are there any methods of preventing cracking of carbon steel welds in refining environments?
http://www.coolinterview.com/interview/37032/
During the welding process, the two metal pieces being joined are subject to extreme temperatures and can cause the crystalline structure of the metal to pass through various metallurgical phases. As a result, hardening (and embrittlement) of the metal can occur to varying degrees (usually dependent on carbon content). Heat treatment is designed to reduce the hardness in the heat-affected zone of the metals and increase ductility in these sections. Various pressure vessel codes contain the specifics regarding the procedures for post-weld heat treatment. Heat is usually held for one hour per inch of thickness of the metal. The temperature used is based on the "P-number" of the metals. P-numbers are assigned based on the chemical composition of the metals. Holding temperatures can range from 1100-1350 °F (593-732 °C).
http://www.coolinterview.com/interview/36990/
What chemical is used to expand air bags in such a short amount of time?
http://www.coolinterview.com/interview/36979/
Explain global warming from a common man's and an engineer's perspective.
http://www.coolinterview.com/interview/36927/
What type of flow measurement devices is best for slurries?
http://www.coolinterview.com/interview/37052/
What is the best way to configure a bypass line in slurry services?
http://www.coolinterview.com/interview/37050/
What are PCB's?
http://www.coolinterview.com/interview/36967/
How can I evaluate the thermal relief requirements for double block-in of 98% sulfuric acid?
http://www.coolinterview.com/interview/37021/
Should slurry pipes be sloped during horizontal runs?
http://www.coolinterview.com/interview/37051/
How can a chemical production engineer improve the process with respect to yield & quality?
http://www.coolinterview.com/interview/36915/
Who built the first production scale PLA (polylactic acid) facility?
http://www.coolinterview.com/interview/36959/
What steps can be taken to avoid stress corrosion cracking (SCC) in steel vessels used for storing anhydrous ammonia?
http://www.coolinterview.com/interview/36980/
List the advantages and disadvantages of a PFR.
http://www.coolinterview.com/interview/36923/
What information is needed to specify a mixer?
http://www.coolinterview.com/interview/37005/
What factors go into designing the vapor space of kettle type reboiler?
http://www.coolinterview.com/interview/37068/
What are some factors to consider when trying choosing between a dry screw compressor and an oil-flooded screw compressor?
http://www.coolinterview.com/interview/37057/
What are some characteristics of bulk solids that can affect their ability to flow properly?
http://www.coolinterview.com/interview/36955/
What is the Wet Bulb Globe Temperature (WBGT)?
http://www.coolinterview.com/interview/36970/
What type of pump may be appropriate for a liquid near saturation, a low flow rate, and very limited NPSHa (net positive suction head available)?
http://www.coolinterview.com/interview/37053/
What types of metals are typically removed via chemical precipitation?
http://www.coolinterview.com/interview/36973/
What are the three classes of organic solvents?
http://www.coolinterview.com/interview/36964/
What is quicklime and what are the uses?
http://www.coolinterview.com/interview/36966/
diptiranjan kanungo
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Mar 26, 2012, 12:12:09 AM
3/26/12
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diptiranjan kanungo
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Mar 28, 2012, 12:15:20 AM
3/28/12
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diptiranjan kanungo
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Mar 31, 2012, 12:27:38 AM
3/31/12
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Are there flow velocity restrictions to avoid static charge build up in pipelines?
http://www.coolinterview.com/interview/37022/
Are some heat transfer services more prone to tube vibration that others for a shell and tube exchanger?
http://www.coolinterview.com/interview/37063/
What is a common failure mechanism for above ground atmospheric storage tanks?
http://www.coolinterview.com/interview/37031/
What is a good source of information for the design of pressure vessels?
http://www.coolinterview.com/interview/37020/
Explain the functioning of a three-way catalytic converter.
http://www.coolinterview.com/interview/36926/
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