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Chemical Engineering Interview Questions
Questions Answers Views Company eMail

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

1267

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

1141

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

1208

What is condensate lift?

1275

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?

1169

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

1335

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

1191

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

1200

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

1125

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

1190

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

1133

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

1142

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

1223

What does the catalystic converter on an automobile really do?

1303

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

1239


Post New Chemical Engineering Questions

Un-Answered Questions { Chemical Engineering }

List the advantages and disadvantages of a pfr?

1137


design calculations for reactor

2685


Hi, I am preparing for Indian Forest Service (UPSC). Can you please help me to get previous years question papers (Chemcial Engineerign) (atleast 5).

4840


What is a good approximation for the heat transfer coefficient of hydrocarbons inside 3/4" tubes?

1175


hi all i have doe cheical engg, but i have to go for iob po interview so can anybody suggest me abt the kind of qns that can be asked.

2315


Explain why is a vacuum breaker used on shell and tube heat exchangers that are utilizing steam as the heating utility?

1086


How can the particle size distribution be determined in a given bulk solid?

1057


what is the difference between car seal close/open valves and lock close/open valves?

5538


Explain what are the problems that are associated with the expansion joints?

1206


Please colleagues I need to choice a proper hopper shape for a Fertilizer bulk blender flowing throut a high humidity raw material like zeolite, so we are in doubt whether use squard or rectangular hopper shape to avoid the so call voul effect that can create obstruction

1836


Explain what are the methods involved to test helium leak testing in a vacuum system?

1237


Explain the some guidelines for sizing a psv for a fire scenario on a vessel in a refinery service?

1158


What is difference between Piping Standard & Piping Specification ?

2526


Explain the functioning of a three-way catalytic converter.

1204


Why does catalytic converter used in an automobile?

1065