Chemical Engineering Interview Questions
Questions Answers Views Company eMail

Why an electromagnetic flow meter cannot be used for gases, steam and oil flow measurements?

1 3072

Why an electromagnetic flow meter cannot be used for gases, steam and oil flow measurements?

4 8682

when liquid stored in spherical vessel,equilibrium shift towards liquid.what is the benefit of it?

1 3545

hi.i m student of chemical engg. and studying in 5 th sem.how can i improve my technical knowledge..can u sugest me a link like book or any website..?

3 5093

why should we have to maintain excess air in furnaces and boilers while burning any fuel?

IOCL,

6 11413

what is mass flow rate of steam of 7 kg/cm2 pressure in 1 inch id. pipe.

Ascent,

2349

why u opted for chemical engg?

2 4561

Why is the freezer placed at the top in a refrigerator, why not at the bottom ?

2 20301

Why LMTD is calculated in Heat -Exchanger problems..Why dont we take average temperature??

Aker Solutions,

4 14447

How to size the cooling tower sump / basin for any given circulation rate? What is the guideline?

2626

Why Packed Bed is not preffered in seperation process while Tray column is used in Industries predominatly??

5 9027

What does extreme points in VLE curve represents??

Reddy Labs, Reliance,

4 7935

how to calculate overall heat transfer coefficient in insulated pipeline? Please give a answer with formula

NPCIL,

2 7149

What happens when fuel is burned , what are compounds released??

Reddy Labs,

3 6535

What is formula for petrol?

Reddy Labs,

3 6771


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Un-Answered Questions { Chemical Engineering }

Why is double the amount of gas collected in one of the test tubes in electrolysis of water than th amount collected in the other? Name this gas?

551


Which type of pneumatic control valve is used mostly Either Air to Open r Air to close the value And guys I need reason for your reason

846


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?

642


what is R1,R2,R3, R4........?

1467


Explain what is the significance of the minimum flow required by a pump?

678






While there, are many tests available to detect leaks on vessels, is there a technology available to quantify the leak, or measure the flow through a leak?

683


what is defferance between tubular & automotive plate battery

3437


What are some common problems associated with bellow expansion joints?

676


What are the steps taken to operate a tank-blanketing valve?

612


What is the Import Procurement Cycle ? and what are the customization steps in SAP ?

5142


What are some factors to consider when trying choosing between a dry screw compressor and an oil-flooded screw compressor?

601


What chemical is used to expand air bags in such a short amount of time?

641


Explain some common piping materials used to transport slurries?

596


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

2104


Explain what information is needed to specify a mixer?

605