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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?

1204

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

1079

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

1150

What is condensate lift?

1186

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?

1120

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

1281

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

1146

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

1149

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

1078

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

1132

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

1068

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

1083

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

1178

What does the catalystic converter on an automobile really do?

1246

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

1190


Post New Chemical Engineering Questions

Un-Answered Questions { Chemical Engineering }

Dear guys we adding hypo at climax plant and that water is inlet to DM plant so with hypo water that can affect my resins of cation and anion. if it is affect life of my anion and cation so what kind of steps should be take.

1518


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

1150


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

1216


What is an isochoric process?

1104


Can large temperature differences in vaporizers cause operational problems?

1243


which materials can l use if l want to use length wave 680 to 900 in hplc

2013


What is carbon sequestration?

1145


Explain what is the method involved in analyzing powders for composition?

1158


Why is post-weld heat treatment sometimes necessary for welded vessels?

2526


What is the ignition temp. of Aluminum,Coper&Iron.

2319


Explain how can you determine the proper pipe thickness for a slurry line?

1156


based on percentage problems

2932


Define an additive?

996


Explain can large temperature differences in vaporizers cause operational problems?

1058


What is a surfactant?

1107