Chemical Engineering Interview Questions
Questions Answers Views Company eMail

What is a good source of surfactant information on the internet?

713

How much water is lost through a commercial cooling tower system with a throughput of about 600 gpm?

615

How can one estimate how the friction factor changes in heat exchanger tubes with a change in temperature?

559

What is the maximum recommended velocity for steam in a plant pipe network?

702

How can you determine the largest impeller that a pump can handle?

662

Is there a handy way to determine if a horizontal pipe is running full if the flow rate is known?

577

Is there any way to remove residual product left in pipes after a batch operation?

628

What particle sizes are electrostatic precipitators used to remove?

583

At what temperature is glass fused to steel in the making of glass-lined equipment?

604

What are some common precipitating agents used to remove metals from aqueous waste streams?

685

What compounds are responsible for the odors that come from wastewater treatment plants?

627

What is a surfactant?

664

How can metals be removed from aqueous waste streams?

573

What is the best way to configure a bypass line in slurry services?

606

How can wet carbon dioxide be responsible for a corrosion problem in iron-containing metals?

615


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Un-Answered Questions { Chemical Engineering }

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

656


pleas tell me about chemical engineering apptitude test..

1757


What is the maximum recommended velocity for steam in a plant pipe network?

702


What kind of concerns is associated with temperature pinch points in condensers?

684


Explain 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)?

556






How does hollow shaft impeller works? Does it based on principle of pitot tube?

1745


Are there any special considerations to be taken into account for combustion ammonia?

540


At what temperature does water have maximum density?

551


Explain how can I evaluate the thermal relief requirements for double block-in of 98% sulfuric acid?

572


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

562


Name some common problems associated with dilute phase pneumatic conveying?

554


What type of pump may be appropriate for a liquid near saturation, a low flow rate, and very limited npsha?

574


In case of welded vessels why is stress relieving in the form of post-weld treatment necessary?

550


What do you understand by wet bulb globe temperature?

691


Is there any way to slow coke formation in ethylene furnaces?

722