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Chemical Engineering Interview Questions
Questions Answers Views Company eMail

Tell us about a time when you failed to meet a deadline. What were the repercussions?

Bhavani Engineering Works, Caltex, Emirates, Holiday Inn, Regent, United States Seafoods,

4 102858

If sum one has HAL placement paper plz mail me ,I m Chemical id is



Plz if anybody has placement paper of HAL mail me i m Chemical engg my id



Please tell me what type of questions will be asked in a petrochemical company

2 9188

which is more effective , a single extraction with a large volume of solvent or several small volume extractions? Explain.

2 5365

what are the precautions u are taking while starting HT motors?

HPCL, MRPL Mangalore Refinery and Petrochemicals Limited,

2 4911

when u are walking on the road, somebody got injured by accident. what is ur immediate action.


13 9809

friends....i have been searching the model paper for HPCL officer trainee for chemical eng....tat apptitude section...if u people got any information regarding tat...please send me to my id is: send me wtever information u knew....thank u....



what is the differance between Horizental and vertical heat exchanger?

Bihar Caustic and Chemicals,

11 31162

which thing is responsible for making petroleum?


6 6104

why GOD ALMIGHTY has made every living thing by water?

5 4057

what is the meaning of flaring

4 5869

how can we measure entropy?

1 4059

is petroleum a mixture of hydrocarbon?

5 6300

what is meaning of pid how it is useing controlers

4 8259

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Un-Answered Questions { Chemical Engineering }

Explain how can one estimate how the friction factor changes in heat exchanger tubes with a change in temperature?


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


I want previous year question paper of ONGC for chemical engg.


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


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'?


Explain how can you determine the proper pipe thickness for a slurry line?


Explain what are the assumptions made on conservation equation?


Define pneumatic conveying?


why screw compressor use for ammonia compression?


What are the main terms in unit operations? What are its characteristics?


any meter avilable for measureing the Transformer Losses. ( like Voltmeter for voltage & ammiter for currenr )if yes plz give the make & supplier address, Email, Phone number.


A shiny brown colored element ‘x’ on heating in air becomes black in cooler name the element ‘x’and black colored compound formed?


What does the catalystic converter on an automobile really do?


In a crusher where is the energy provided to it is used up for?


What is the largest application for surfactants?