Chemical Engineering Interview Questions
Questions Answers Views Company eMail

What are advantages using hollow shaft impeller?

3418

Why whenever a reciprocating compressor is switched ON or OFF it is put into unloading mode?

1541

Can anyone tell me how to calculate the quantity of a third component added in an azeotropic batch distillation of a known quantity of azeotropic mixture?

1 3876

why sphericle shaped vessele used for storage of petrol?

3 5502

What are demand of crotonaldehyde99% in the worldand its international market ?

1730

what is the main components of air

ONGC,

3 6934

sir,please give me some exam paper for referance. Thanks & Regards,

ONGC,

1688

Can anybody suggest the Methods/Procedures for estimation of oxygen, hydrogen, methane, carbon dioxide, CO, etc. in binary or complex gas mixtures?

2 4872

What is composition of 18/8 stainless steel?

1 4854

how interstage pressure of multistage compressor is calculated?

2 8537

If the refrigerator is left open in closed room, What will be the effect on room temp.?

2 4913

Which type of drier is used for drying wet material?

3 6307

The power required for size reduction in crushing is???

2 3847

The power required for size reduction in crushing is???

5 8015

what is defferance between tubular & automotive plate battery

3437


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Un-Answered Questions { Chemical Engineering }

Define an additive?

543


Is it advisable to cool a fin fan by spraying demineralized water on it?

686


What is the order of a chemical reaction, , if the rate of formation of 'C', increases by a factor of 2.82 on doubling the concentration of 'A' and increases by a factor of 9 on trebling the concentration of 'B'?

3163


sir,please give me some exam paper for referance. Thanks & Regards,

1688


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

2349






What is a 'saltation velocity' and how is it used in designing pneumatic conveying systems?

598


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

648


Explain what are some good uses of low-grade steam at 12 atm and 1920c?

605


Explain the process of including heat exchangers in ammonia refrigeration system?

578


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

601


design calculations for reactor

2090


How can you quickly estimate the horsepower of a pump?

642


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

622


Should slurry pipes be sloped during horizontal runs?

592


At what temperature does water have maximum density?

547