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All interview questions
[Engineering - Chemical]
All Interview Questions - Engineering - Chemical
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After conducting an internet search for ways to reduce energy costs, I found a recipe for whitewashing that is said to reflect sunlight.
The recipe calls for 20 pounds hydrated lime to 5 gallons water to 1-quart polyvinyl acetate. What is a good source of polyvinyl acetate that I can buy at a local store?
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Are there any general rules for flushing slurry lines?
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Can asphalt be recycled to form a useful product?
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How can hexavalent chromium be removed from aqueous waste streams?
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How can metals be removed from aqueous waste streams?
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How can viscosity affect the design of a mixer?
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How can you estimate the efficiency of a pump?
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How can you quickly estimate the horsepower of a pump?
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How can you separate hydrogen peroxide into hydrogen and oxygen?
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How does a tank-blanketing valve operate?
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How instrument air is continually supplied in process plant?
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Is it possible to compare the resistance to chloride attack of several materials of construction?
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Should slurry pipes be sloped during horizontal runs?
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Under what circumstances are vortex flowmeters the most accurate?
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What are PCBs?
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What are some common causes of control valve noise?
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What are some common methods for helium leak testing a vacuum system?
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What are some common problems associated with dense phase pneumatic conveying?
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What are some common problems associated with dilute phase pneumatic conveying?
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What are some typical applications for glass-lined reactors?
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What are the advantages and disadvantages of using gear pumps?
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What are the affinity laws associated with dynamics pumps?
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What are the factors involved in designing kettle type reboiler?
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What are the problems that are associated with the expansion joints?
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What are the steps taken to operate a tank-blanketing valve?
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What are the three classes of organic solvents?
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What can cause bulk solids to stop flowing from a bin?
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What chemical is used to expand air bags in such a short amount of time?
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What compounds are responsible for the odors that come from wastewater treatment plants?
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What industries require filtered compressed air?
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What is a "saltation velocity" ?
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What is a good method of analyzing powders for composition?
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What is a solvent?
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What is a surfactant?
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What is an additive?
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What is an effective means of removing silicon from aluminum?
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What is happening when paint dries?
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What is pneumatic conveying?
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What is quicklime and what are the uses?
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What is screen analysis and what are its applications in the chemical industry?
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What is the definition of "good" cooling tower water?
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What is the largest application for surfactants?
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What is the maximum recommended velocity for steam in a plant pipe network?
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What is the most common carrier gas used in pneumatic conveying?
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What is the use of gear pumps in motor?
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What is the Wet Bulb Globe Temperature (WBGT)?
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What kind of concerns is associated with temperature pinch points in condensers?
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What significance the angle of repose holds in the chemical industry, Explain?
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Who built the first production scale PLA (polylactic acid) facility?
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Why does catalytic converter used in an automobile?