Chemical Engineering Interview Questions
Questions Answers Views Company eMail

What is meant by surging in compressors?

CPCL,

5 10246

what is the purpose of knockout drum in SRU?

3 7366

How does a chemical get ignited without external heat source on reaching its auto ignition temperature

1 3506

What does Dew point -40C mean in an air drying unit.

4 8952

i am going to appear vedanta written test so plz can any body suggest me for this on madhu.5393@gmail.com

3591

A cylindrical vessel of 10m height has water upto 6m and is under a pressure of 15bar.What will be the pressure at the bottom most point of the vessel?

4 5817

Why chlorine cylinders are laid down horizontally?

3 6932

To how much height the liquid willbe thrown out to atmosphere from a pump with a discharge pressure of 5bar

TCL,

4 6351

What fluid first to be lined up in a heat exchanger whether hot or liquid?why?

TCL,

2 5145

What is the iodine value of spent carbon?How iodine value is used to determine the power of carbon to adsorb?

2 4767

which is more effective , a single extraction with a large volume of solvent or several small volume extractions? Explain.

2 5447

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

1785

What is the ignition temperance of Diesel,Petrol&kerosion oil

2 4395

In a screw compressor air is sucked from atm and mixes with the oil and is separated using separators.Will the viscosity of the oil get affected as moisture in air gets mixed with oil?

1 4367

What are the most common problems encountered in a valve or bubble cap distillation column?

Eastman Chemical,

3 4589


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Un-Answered Questions { Chemical Engineering }

how should i prepare for my placements.i am a student of chemical eng,final year,thapar university

1708


Explain how can viscosity affect the design of a mixer?

594


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

1282


How does a cyclone separator work?

635


what is the cast iron grade of composition of c-3.06% , Mn- 0.48% , Si-2.38% , S-0.088% , P-0.092% , Cr-0.12% , Ni- 0.012% , Mo-0.00%

1625






Define an additive?

547


The process conditions of the fuel gas are as follows: Temperature = 25 deg C Pressure = 4 bar g Calculate the line size for the fuel gas supply line to the superheater

1755


what is AZ431 & how to check it by using multimeter?

3382


Is there a rule of thumb to estimate the footprint of a cooling tower during design phase?

630


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

609


How much steam required for 1MW power production form 30 bar G super heated steam(350 C), outlet of turbine 4.5 bar

1676


What is the largest application for surfactants?

653


Explain how can you estimate the efficiency of a pump?

583


What is the wet bulb globe temperature?

621


What are the strategies acquired to cure tube vibration and exchangers in a shell?

717