Recent Questions

Maximum Contactor Pressure Drop
Asked 1 week, 3 days ago by welly_ario

Hi Rich,

How are you? My name is welly. 

I saw one of your comment in engstack.com mentioned max pressure drop in contactor is 0.5bar. Could you please help me to know what is the background and justification for this?

I am searc...

Total surge forces on process vessel?? Give me the basis of that.
Asked 3 weeks, 6 days ago by harshad

Total surge force on process vessel and it's supporting structure?? Give me the basis of that?? 

1
How to reduce losses due to rejection of the parts produced?
Asked 5 months ago by jyotijyoti 1 Answer

How to reduce losses due to rejection of the parts produced?

What is the prerequisite for cost-efficient operation?
Asked 5 months ago by jyotijyoti 1 Answer

What is the prerequisite for cost-efficient operation?

Air Cooled Oil Coolers
Asked 6 months ago by jyoti 1 Answer

Need to know about Air Cooled Oil Coolers?

About Air Cooled Oil Coolers
Asked 6 months ago by Aceautomation

Air cooled oil coolers or heat exchangers, also known by various names in the industry viz. Plate Fin Oil Coolers, Fan Cooled Oil Coolers, Fin Fan Oilcoolers, Air Blast Oil Coolers, D cup Coolers, Air Oil Coolers, Fin Coolers etc. In these a draft of a...

Well production operations
Asked 8 months, 3 weeks ago by Abdullah

Good day, I have tried breaking down the questions so as to enable understanding.

Briefly discuss the well barrier issues associated with drilling a subsea well (i.e. a subsea wellhead), using a jack-up rig compared to using a semisubmersible.

Reverse air flow
Asked 10 months ago by larbi

What is the cause to get an air cooling in induced fin fan in the reverse flow, Means the air flows from top to bottom which causes the bottom side more hot to the top.

How many pounds or kilograms of electrodes are required per weld on line pipe?
Asked 11 months ago by rbidong 1 Answer

How many pounds or kilograms of electrodes should be used per weld on line pipe?

Is NFPA approval required for Flame Arrester if designed to ISO 16852?
Asked 11 months, 1 week ago by mobassey 1 Answer

If Flame Arresters are designed, manufactured and certified to ISO 16852, would NFPA approval required?

Dock Hoses Proof Test Requirement?
Asked 1 year ago by deema 3 Answers

Do you pressure test dock hoses using 1.5 design pressure similar to testing pressure vessels?

What does MPY stand for?
Asked 1 year ago by ravi 1 Answer

What does MPY stand for?

Can any one suggest what is the unit MPY stands for?

What is the typical design life for ballast tank filling hoses on fpso?
Asked 1 year, 1 month ago by jcargill 1 Answer

What is the typical design life for ballast tank filling hoses on fpso? In another word, what is the offshore industry typical design life (in years) for ballast tank filling hoses on fpso turret?

Which is better option between galvanized nuts and bolts versus stainless steel?
Asked 1 year, 1 month ago by mlraio5

For salt water / offshore service which is better option between galvanized nuts and bolts versus stainless steel.

Carbon Steel studs and Stainless Steel nuts for manhole covers
Asked 1 year, 1 month ago by phamus 1 Answer

Does anyone experience the use of stainless steel nuts on carbon steel studs for manhole covers on offshore facilities? Stud threads stripped and cannot be repaired since they were welded to avoid rotation.

How to calculate pipe ovalization?
Asked 1 year, 1 month ago by ravi

Please explain pipe ovalization calculation method

Pipe Stress Design level classifications
Asked 1 year, 1 month ago by sabdullayev 2 Answers

How many lines levels are typically specified in Pipe Stress Design Analysis?

What is the practical method for flushing large size piping such as 60" cooling water supply in process plants?
Asked 1 year, 6 months ago by tamaotobu 1 Answer

U/G cooling water lines in process units are in large size and cannot be flushed by water since low velocity. Also cleaning by rupture method is dangerous because of high volume of compressed air. What is the best way to flush such systems and is it...