Chemical Engineering Interview Questions
Questions Answers Views Company eMail

What effect does choking a vertical thermosiphon have on the heat transfer rate?

674

How can you control the ph level in our cooling water with respect to ammonia contamination?

630

What type of heat exchangers are most commonly used for a large-scale plant-cooling loop using seawater as the utility?

682

What is condensate lift?

642

Is there a quick rule-of-thumb to estimate a gas side heat-transfer rate inside the tubes of a shell and tube heat exchanger?

672

Are some heat transfer services more prone to tube vibration that others for a shell and tube exchanger?

681

How is plate heat exchangers used in an ammonia refrigeration system?

659

How can you keep our seawater used for heat rejection clean before entering our heat exchangers?

672

Is there a difference in mtd (mean temperature difference) between 'e' and 'j' (divided flow) type shell and tube heat exchangers?

667

What is a good source of equations for calculating discharge flowrates from accidental releases?

671

What is the definition of 'good' cooling tower water?

556

When an expansion is joint needed on the shell side of a shell and tube heat exchanger?

634

When specifying a cooling tower, should I look up historic wet bulb temperatures for my area or should I take measurements?

605

What does the catalystic converter on an automobile really do?

666

What factors go into designing the vapor space of kettle type reboiler?

662


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Un-Answered Questions { Chemical Engineering }

How fouling effected the heat transfer rate?

691


Explain the different characteristics that can affect the flow of bulk solids and how?

549


How much waterproofing compound in one Sqm Plastering (thick.12mm)

1363


What is difference between Piping Standard & Piping Specification ?

1978


Are there flow velocity restrictions to avoid static charge build up in pipelines?

708






What are demand of crotonaldehyde99% in the worldand its international market ?

1765


What is the maximum recommend pipe velocity for dry and wet gases?

721


what r the question asked in interview of gate,is it related to course?

1825


What types of valves are recommended for slurry services?

647


How many grams per liter would there be in a 0.35 n (normality) citric acid solution?

691


how did you spend today

1675


Are there any general rules for flushing slurry lines?

624


What is a good relation to use for calculating tube bundle diameters?

649


What is a surfactant?

688


Should slurry pipes be sloped during horizontal runs?

620