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Chemical Engineering Interview Questions
Questions Answers Views Company eMail

Explain the method of determining maximum differential pressure during hydro testing of shell and tube heat exchangers?

982

Explain the significance of the angle of repose holds in the chemical industry?

1097

Explain how instrument air is continually supplied in process plant?

1051

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

971

What is critical radius of insulation?

989

Why should a magnesium ribbon be cleaned before burning in air?

1075

Explain the working of a spray condenser?

1055

Define octane number?

973

What is a black body?

1135

Why is respiration considered as an exothermic reaction? Explain?

955

Define viscosity?

1066

List the advantages and disadvantages of a pfr?

1030

At what temperature does water have maximum density?

1005

What is a cstr and what are its basic assumptions?

1132

What are the greenhouse gases in earth's atmosphere?

1048


Post New Chemical Engineering Questions

Un-Answered Questions { Chemical Engineering }

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

1730


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)?

1055


Mention some of the specialized crushing methods?

1039


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

1020


based on percentage problems

2852


What particle sizes are electrostatic precipitators used to remove?

1145


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

1001


In Pressure Sfety Valve(PSV) 2" by pass line why given for process units.

1964


Explain what is a good way to get started in doing a plant-wide steam consumption analysis?

944


How is waste heat boilers categorized?

1103


what is designing step of heat exchanger

3083


How to caliculate the boil up rate, dia and height in both packed and tray distillation columns and any referance books for the design.

2542


What are the advantages and disadvantages of using gear pumps?

1079


What are the some common causes of control valve noise?

1020


Plz if anybody has placement paper of HAL mail me i m Chemical engg my id er.kotnala@gmail.com

2448