General Questions and Answers

What is the difference between MIG and GMAW welding?
What is the difference between TIG and GTAW welding?
What are the differences between ASME B16.47 A and B flanges?
What is Non-destructive testing?
What does ASTM A105 refer to?
Why beveling pipes, fittings, and flanges is necessary?
What is meant by Nominal Pipe Size?
Why are isometric drawings (views) so important in piping engineering?
How can you easily draw the centerline symbol in AutoCAD?
What does HAZOP study stand for?
Which process describes TIG welding?
Which piping items fall under the ASTM A234 material specification?
What is a Quickflange?
What is a Bleedring?
What is a Blowout Preventer?
What are Roller supports in piping?
Have you ever heard of a Turnbuckle?
Why is health and safety in welding important?
What are Drip Legs in Steam Systems?
What is a Sucker Rod Pump?
Do you know what is meant by P Number in Welding?
What does Welding Positions mean?
What are the differences between Flash Point and Fire Point?
What is a Septic Tank?
What is a Positive Displacement Pump?
What is the difference between Pipe and Tube?
What is a Piping and Instrumentation Diagram (PID)?
Have you ever heard of cement mortar lining and how it is applied?
What are Flange (Pipe) protectors?
What can be found on a Process Flow Diagram (PFD)?
What are the Generic Marking Standards and Requirements for pipe, flanges, fittings, valves and fasteners?
What are the properties of Inconel® Alloys?
What types and materials of insulation is commonly used?
What are Practical Solutions to Modular Project Execution?
What does the Unified Numbering System (UNS) mean?
Why are rupture disks important components in a piping system?
What are Pressure Reducing Valves?
What is a Pressure Relief valve?
What is the Mandrel method (Hot Forming) for Elbows?
What are the most common welding defects?
What is meant by a Plot Plan and Equipment Arrangement?
What is a Vortex Flow Meter and how does it work?
What is Pipeline Safety for Consumers Personnel and Environment?
What are Process instruments in Oil and Gas?
What are the cutter sizes at Hot Tapping through gate valves?
What is the difference between GRE and GRP pipes?
What is Chlorine?
What are Marine Loading Arms and a Jetty?
What is a Tank Terminal or Tank Farm?
Why can't we use Geothermal Energy everywhere?
What is Microbiologically Induced Corrosion (MIC)?
What is meant by Location is Relative in a Coordination system?
Why Nitrogen is one of the most DANGEROUS GASES found in refineries and chemical plants?
What is Glass Lined Piping?
What is the Canadian Standards Association (CSA)?
What is ASTM A53 pipe?
What are the differences between ASTM A and ASME SA?
What Is Sour Service?
Where is Instrument Air being applied?
What does NACE mean?
What is the difference between a variable and a constant spring support?
Do you know what is a Cryogenic support?
Is it possible to print a leak repair clamp for industry?
ASTM A333 - What is meant by killed carbon steel?
What are Pipe Supports?
What is Rockwell Hardness Testing?
What is a PID - Photo-Ionization Detector?
What is meant by PPM in gas dection?
Which ASME standard covers the dimensions of Welding Neck flanges through NPS 24?
Which ASME standard covers the dimensions of buttweld elbows?
What is one of the connections between the United Kingdom and France?
What are Belleville washers?
What are Demister Pad's in Process Piping?
What is Cold Cutting?
What are leak repair clamps?
What are the most common types of O'let branch connections?
What are the most commonly used Gaskets for flanged connections?
What do we need for lifting heavy loads?
What is Fireproofing for Petrochemical facilities?
What are Piping Specifications?
What are Lower and Upper Explosive Limits (LEL & UEL) for Flammable Gases and Vapors?
What is a Coriolis Flow Meter and how does it work?
Are ANSI B16 or ASME B16 the same thing?
Is Fall Protection always required?
What are Breather Valves?
What does a Golden Weld mean?
What is Hot Bolting and why are we doing it?
What is a Hot Tap and why it is made?
What is the function of an Emergency Shutdown Valve?
Do you know what Eddy Current testing is?
Have you ever heard of the Eastern Scheldt storm surge barrier?
How to read a Piping Isometric?
What is Pressure Equipment Directive (PED)?
Is working in a confined space hazardous?
Are there differences between Piping and Pipelines?
What are Flange Insulation Gasket Kits?
What are Manholes in Process Piping?
At what point is Pressure Drop an issue?
What are the differences between Cast Iron and Cast Steel?
What are Thermowells and why are they used?
What are Compression Fittings?
What is Hydrogen Induced Cracking of pipeline and pressure vessel steels?
Have you ever heard of Victaulic pipe joining systems?
Do you know what RAL colors are?
What might Wellhead and Christmas Tree mean?
So what is a Valve Interlock System?
What is meant by Hot Forming of a butt weld fitting?
In how many primary pressure classes are forged steel flanges made according to ASME B16.5?
Why is Pickling and Passivation applied to stainless steel?
Why are floor gratings used in the petrochemical industry?
What is the need for steam tracing in pipeline systems?
Are there differences in Raised Face Height of flanges?
Is green steel produced without the use of fossil fuels?
What are the welding requirements of O-Let Fittings?
What are Fossil Fuels?
Are threaded fittings a good choice?
Why Orifice plates are one of the most popular devices for the measurement and control of fluid flow?
Why pipeline pigging is essential?
What is level measurement by Level Indicators?
What is clean, renewable energy literally under our feet?
What is meant by Flaring in Industry?
What are Hinged Expansion joints?
Have you ever heard of CorTen steel?
What are Socket Weld Fittings?
What is an O'let Branch Connection?
What is a cryogenic tank and what is stored in it?
What are collar bolts and what are they for?
What are High density polyethylene (HDPE) piping systems?
Have you ever heard about Dishing of Spiral Wound Gaskets?
What is Explosion Bonding or Explosion Cladding or Explosion Welding?
What is Hose Whipping, and can it be dangerous?
What does a "Unit Rate" contract mean?
What is meant by a reinforcement pad?
What is meant by all flange bolt holes are "Straddle the Centerlines"?
What's the definition of Valve Trim?
What is the difference between ASTM A106 Grade A, Grade B and Grade C?
What does Lokring technology mean?
What are the functions of steam traps?
What does Mesh mean in a Strainer?
What is single random length and double random length of pipe?
What is meant by Dual Certified Materials?
In what position should the ball valves be held during the hydrostatic test?
Why is flushing before hydro testing and drying after hydro testing important?
What is the difference between a gate valve of the solid wedge type and a flexible wedge type?
From what diameter a pipe in inches is equal to its actual outside diameter in millimeters?
What is the advantage of a reduced bore valve over a full bore valve?
What is a dead man's handle for a valve?
What are bellow sealed valves?
Can piston check valves be installed in the vertical position?
What is the difference between type R and RX gaskets?
What are the applicable standards for using a gear-operated valve instead of a standard handwheel with a rising stem?
When should hydraulic bolt tension be used for flange connections?