Chemical Engineering Interview Questions
Questions Answers Views Company eMail

What are advantages using hollow shaft impeller?

3441

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

1563

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 3917

why sphericle shaped vessele used for storage of petrol?

3 5570

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

1758

what is the main components of air

ONGC,

3 6999

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

ONGC,

1712

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

2 4910

What is composition of 18/8 stainless steel?

1 4883

how interstage pressure of multistage compressor is calculated?

2 8606

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

2 4951

Which type of drier is used for drying wet material?

3 6369

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

2 3880

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

5 8085

what is defferance between tubular & automotive plate battery

3462


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Un-Answered Questions { Chemical Engineering }

What type of pump may be appropriate for a liquid near saturation, a low flow rate, and very limited npsha?

591


When should one be concerned with the tube wall temperature on the cooling waterside of a shell and tube exchanger?

611


What are some good strategies for curing tube vibration in shell and tube exchangers?

671


Why do we apply on iron articles?

658


How instrument air is continually supplied in process plant?

682






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

648


Explain how can one quickly estimate the additional pressure drop to be introduced with more tube passes?

592


Dear guys we adding hypo at climax plant and that water is inlet to DM plant so with hypo water that can affect my resins of cation and anion. if it is affect life of my anion and cation so what kind of steps should be take.

1036


Is there any way to remove residual product left in pipes after a batch operation?

643


Explain the steps taken to operate a tank-blanketing valve?

503


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

645


Can you pls tell me how to calculate the amphere rating of cable in case of three phase supply but all load is single phase

1712


How can one determine the particle size distribution for a given bulk solid?

665


After conducting an internet search for ways to reduce energy costs, I found a recipe for whitewashing that is said to reflect sunlight. The recipe calls for 20 pounds hydrated lime to 5 gallons water to 1-quart polyvinyl acetate. What is a good source of polyvinyl acetate that I can buy at a local store?

615


What is a good approximation for the heat transfer coefficient of hydrocarbons inside 3/4" tubes?

682