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Chemical Engineering Interview Questions
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Suppose you have hot fluid and cold water, what fluid you should flow in shell side and tube side in a shell and tube heat exchanger and why

 6 10395

What is higher heating value and lower heating value? Is it positive or negative?

 2536

Which part of oil creates smoke? ( aliphatic, aromatic, paraffin)

 1 4183

Why catalyst is charging in chemical reaction as high pressurized pellet of tablet?

 2 3861

What step should be taken in process industries if the process variable is oscillating?

HPCL,

2201

Suppose you have hot oil and cold water, what kind fluid you flow In shell side and tube side and why?

 5 6425

Which one is process and why?( evaporation, vaporization, reactor, fluid flow)

 5 5974

Which book I should refer for designing heat exchangers and reactors?

 1 3331

what is ejector capacity and ejector economy

 1 3411

What is the difference between multi grade filter and dual media filter?

Dalkia, Oil and Gas Jobs,

1 15264

Which chemical is used as antiscalent in RO water treatement plant?

Dalkia, Power Plant,

3 11055

What is the difference between coagulation and flocculation in water treatment plant?

 1 5971

What are the types of clarifier used in water treatement plant?

Adani,

1 4275

What are the types of membranes used in RO water treatement plant?

 2 7946

What is minimum flow required of NG having BTU value of 920 btu/scf for flame stability of LBTU gas of BTU value 220 BTU/SCF against the flow 80KPPH.

1887

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Un-Answered Questions { Chemical Engineering }

What is the method adopted to minimize shell side pressure drop in a shell?

625

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

575

Explain the procedure to estimate the friction factor involved in heat exchanger tubes?

625

hi can anyone tell me some technical questions asked in iocl

1763

How fouling effected the heat transfer rate?

692




Why is post-weld heat treatment (stress relieving) sometimes necessary for welded vessels?

588

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

713

what is the hearth and arch pressure in furnace?

3623

hello sir..iam keen to sit for iocl interview..please forward sample iocl questions to my id: kunal_kv06@yahoo.co.in

2052

What is pneumatic conveying?

719

how can i prepare for gate chemical in kolkata

1743

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

2087

What is the procedure to estimate the friction factor involved in heat exchanger tubes?

635

Explain some common piping materials used to transport slurries?

629

What is the maximum recommend pipe velocity for dry and wet gases?

723

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