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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 3852

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

4 10247

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

1 4200

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 6103

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

IOCL,

6 13137

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

Ascent,

2835

why u opted for chemical engg?

2 5394

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

2 21360

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

Aker Solutions,

4 15798

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

3027

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

5 10665

What does extreme points in VLE curve represents??

Reddy Labs, Reliance,

4 9451

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

NPCIL,

2 8194

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

Reddy Labs,

3 7614

What is formula for petrol?

Reddy Labs,

3 8057


Post New Chemical Engineering Questions

Un-Answered Questions { Chemical Engineering }

What is the use of gear pumps in motor?

1077


What is a good method of steam tracing large vessels?

1164


What is the best way to control an oversized, horizontally oriented shell and tube steam heater?

1075


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

2192


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

1171


Explain how does a tank-blanketing valve operate?

1093


What are some good estimates for heat transfer coefficients for coils in tanks?

2214


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

967


Define a surfactant?

989


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

1100


What industries require filtered compressed air?

1066


how to improve recovery of product in packed tower(raising ring) recovery of vinyl acetate from VA+WO ( vinyl acetate +waste oil mixture)

2358


Given, T1=600C, constant temperature of wall 800 , length of wit exchanger L=3m, dia=25 mm, Cp=14.91 KJ/kg.K, density ρ=914 kg/m3,mean velocity vm= 2 m/s, film heat transfer coefficient hf=72 Kcal/h.m2.K, what is the outlet temperature?

1941


What is the wet bulb globe temperature (wbgt)?

990


What is a common source of error in determining the percent spent caustic in refinery applications?

1040