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Seasons' Greetings to all Electrical Gurus: I am presently employed by a mining company that owns one specialized piece of equipment known as an "agglomerator" which, in appearance, appears to be two large diameter cylinders that rotate about their respective axis in opposite directions. The...

Happy New Year to the Engine & Fuel Engineering Gods: I have read the Post 71-111422 dated 1/01/2005 that deals with the subject in somewhat of a similar manner, however, my plight is more related to the performance of diesel engines and not so much of a safety issue. There is a well-known...

Happy New Year to the almighty Welding Engineers: It is my hope that one of you good people will either inform me of a good reference or explain what the subject language precisely refers to, especially in regards to flux-cored welding consumables. What IS a Diffusable Hydrogen Test, and, are...

AMEN, "Lutfi"... Nice post and five gold stars for the graphic...how DID you accomplish this?

Crikey...the sketch was at least "clean" when I submitted it...dunno what happened...apologies all 'round. Pete

Greetings to the Piping Gods: During one attempt to avoid phone calls, I got out-of-the-office and on-board one of the project LNG carrying vessels that I am assigned to work on. In way of the loading mainfolds I had noticed a set of two 300mm dia 316L flanges welded neck-to-neck (as...

Greetings to all erudite Material Engineers: One part of my assigned duties takes me to a welding shop where welders seek qualification to participate in the manual, plasma-arc welding of thin (1.2mm thick) Invar sheets that are utilized for the primary containment of cargo on liquefied gas...

Greetings to the almighty Welding Engr's: Feeling smug about my precious little knowledge of manual and semi-auto welding processes, I had the smile wiped-off of my face when I was instructed to attend a demonstration of a "newly-developed" automatic welding apparatus that will be demonstrated...

Slide Rule ERA: Thank you for your constructive opinion. I'll do my best to sober up and see the "big picture"...quite hoenstly I am not sure where to begin, rather, how do I go about "prioritizing" what is critical to adhere to in a steel strucutal design vs. those things that that are of...

Greetings to all Structural Engineers: I am a MechE and, only by the grace of God obtained my PE. As such, I can only consider myself very fortunate at having a venue, such as this one, to ask what all of you will find to be a much too easy problem. I beg both your attention and indulgence...

Dear Mr. Blum: Will you please forgive me, in advance of my reply, as I am not sure how much information that you have available to you for the subject inspection. It has been my experience that the VLCC will not be unlike either a Panamax or a Suezmax in the COT's...the only significant...

Yet again, time for me to make a concerted plea for all of your weclomed mentoring... I am working on my first LNG project. I have no previous expriences with either Steam System piping design or Cryogenic (o/a -160 deg. C) System piping systems and their installation. Even so, I will be...

I will ask, in advance, that you Material Engineer Gods have mercy upon my soul for asking, what will seem to you, to be such a "basic" question. The subject question relates to a carbon steel "stamp", carried by an inspector, that is to be utilized to make an impression marking (for...

I agree with CRG that the "Grinnell" book is a good one. As for my favorites, I rely on two (2) texts: 1) "Design of Piping Systems", (c)1956 M.W. Kellogg Company Library of Congress No. 56-5573. 2) "Introduction to Pipe Stress Analysis",(c)1986 Sam Kannappan, ISBN No.0-89464-706-7. The...

Greetings to all Automotive Engineering experts (of which I am not): My only experience with diesel engines is with oil tanker operations. I'm currently assigned to work at a shipyard in South Korea. I am considering purchasing this country's version of a pick-up truck. There are LPG fueled...

Thanks, gents, for the information...I'll make a note of it. Pete

Dear Welding Experts: Please know that although I do not have an exhaustive source of reference materials handy, I have looked in AWS Welding Handbook and Welding Metallurgy, Lincoln Electric's Arc Welding Handbook, and a few other sources without any luck...I'll tell you all, I'm in dire need...

Thanks to all of you for your great words of advice. As I am assigned to work in a shipyard in South Korea, I do not take any of the time that you all use to respond for granted. Thanks again for getting me started in the right direction...you are all such sharp people, but you don't need me to...

I'm rapidly getting in over my head on this subject. My specific concern pertains to Bulk Oil Tank Vessels, but, I'm rapidly becoming interested in the "any given piping" scenario, to wit, and "borrowing" from the disconcerting language of NFPA 77, "...under certain conditions, particularly...

Greetings and gratitude to all who are intrested in, yet another, bolt-torque plea-for-help: Please take heart in that I have read the previous threads that pertain to bolt torque value calculations. As such, I have learned a lot about just how little I know about fasteners. The challenge for...