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Chemical Engineering Interview Questions
Questions Answers Views Company eMail

What are advantages using hollow shaft impeller?

2958

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

1084

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 3045

why sphericle shaped vessele used for storage of petrol?

3 4330

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

1326

what is the main components of air

ONGC,

3 5727

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

ONGC,

1190

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

2 3996

What is composition of 18/8 stainless steel?

1 4123

how interstage pressure of multistage compressor is calculated?

2 7556

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

2 3904

Which type of drier is used for drying wet material?

3 5197

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

2 2990

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

5 6559

what is defferance between tubular & automotive plate battery

2974


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Un-Answered Questions { Chemical Engineering }

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

174


When specifying a cooling tower, should I look up historic wet bulb temperatures for my area or should I take measurements?

150


What are the applications of screen analysis in the chemical industry?

125


Explain some common piping materials used to transport slurries?

129


Explain what is a quick way to calculate frictional pressure drops in carbon steel pipe?

112






Explain what are the disadvantages of using gear pumps?

131


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

1323


Why is post-weld heat treatment sometimes necessary for welded vessels?

1594


Name some common problems associated with dilute phase pneumatic conveying?

125


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

4639


What is the import procurement cycle?

165


What is load?

165


Explain the difference between cfm (cubic feet per minute) and scfm (standard cubic feet per minute)?

121


Explain the different types of equipments for the conveyance of solids?

130


What is an effective means of removing silicone from aluminum?

123