Good day, everyone!
Question re: secondary containment of a tank.
Code says a containment should be "(vii) capable of containing at least 110 percent of the capacity of the largest tank or manifolded tanks that are connected in such a way as to permit the combined contents to spill, whichever...
Question from a non-chemical engineer..
I know how to use compatibility charts to select a pipe material for one chemical, but how does one go about when you have a recipe consisting of several chems?
For example, I have a mixture of:
45% Ethyl Lactate
40% IPA
30% Acetone
25% Ethanol
etc.
Do...
When can an engineer start calling himself "senior" engineer?
Not that I care much about titles, but since I discovered that in my workplace, becoming one is a promotion that comes with a few extra $$$, I'm asking myself that question.
Looking around me and on professional social media like...
Hi all,
The engineering firm I work for has asked me to become one of their engineers of record, allowing the firm to become a "professional engineering" firm.
I understand the responsibilities that come with stamping design documents, but what should I be aware of if my name is being put up...
Recently I uploaded my resume to Monster, not that I'm actively looking, but I'm open to opportunities for a variety of reasons. Since then, not a day goes by when I get an email or phone call from a recruiter. This would be great, except that 99% of the positions they offer have either nothing...
Just wanted to share this..
We recently had a young grad in our office to interview for an entry level mechanical engineer position.
Q: What type of systems would you like to work on / are you interested in?
A: HVAC! I want to design HVAC systems. I have a passion for it and want to do pursue...
Don't you hate it when you have an excel calculation sheet, done by others, and there's no way for you to tell how the values were calculated?
Case in point, I have a calculation that uses VBA functions. I want to back engineer the calculations, so that I can validate the results...
I'm new at pressure vessels calculations and here's hoping someone would share his/her insights. I have a thin walled cylindrical vessel (25" x 6"), for which the customer has designed a new castellated plug. See attached rough sketch. I'm wondering what type of reactions and stresses can be...
Hello everybody,
The client has a hydrogen distribution valve box (DVB) that is supplied with a controller (screen display, inputs/outputs configuration, EMO, SCADA, etc.)
The controller box comes with an option for a Z-purge (nitrogen). DVB and controller are located in a flammable room with...
This probably has been asked before, or in similar terms.
I'm looking at an opportunity to move on to a (slightly) different industry for which I wouldn't have the required skills otherwise, but as a senior designer. I'm thinking this could be an opportunity to learn the nuts and bolds of this...
Greetings,
I'm posting this here, but I may as well have done it in the ChemE forum.
I tumbled into an old Excel calculation worksheet, used for sizing of clean dry air systems.
Our industry is semiconductor, and a pressure dew point of -40 degF is typical.
Basically I'm back checking the...
thread1203-250431
I'm bumping this thread up asking if there is a code requirement for sizing of a relief catch tank. Client (Pharma) has several reactors (toluene, solvents). Each has a rupture disc with vent line. All vent lines are connected to one relief catch tank, to capture the...
Hello,
ASPE requires "a minimum of four years of experience in a position of responsibility for the design of plumbing systems" to sit for the CPD exam.
I have over ten years of experience in process engineering, i.e. piping and equipment. Would this count towards the "plumbing" experience...
Hello,
first post, even though I have been member of this forum for ten+ years (oh my!), but under different name. I had to change it after I lost my password and recovery mail was sent to old work email.
I'm trying to perform calculations for gravity flow in partially filled pipes using...
