Citec Engineering Piping Engineer Interview Questions, Process, and Tips

MOC of utility lines with grade refers to the material of construction suitable for different grades of utility lines.

• MOC for utility lines with grade depends on factors like temperature, pressure, and type of fluid being transported.

• Common materials used for utility lines include carbon steel, stainless steel, copper, and PVC.

• Higher grades may require materials with better corrosion resistance and mechanical propertie...read more

Types of fittings include elbows, tees, reducers, couplings, and flanges.

• Elbows: used to change the direction of the pipe

• Tees: used to create a branch in the pipeline

• Reducers: used to connect pipes of different sizes

• Couplings: used to connect two pipes together

• Flanges: used to connect pipes, valves, and other equipment

Manufacturing methods of pipes include seamless, welded, and extruded processes.

• Seamless pipes are made by piercing a solid billet of metal and then rolling it to form a hollow tube.

• Welded pipes are made by welding together two ends of a metal strip or plate to form a tube.

• Extruded pipes are made by forcing a metal billet through a die to create the desired shape and size.

• Other methods include spiral welding, longitudi

Types of flanges include weld neck, slip-on, socket weld, lap joint, threaded, blind, and spectacle blind.

• Weld neck flange: used for high pressure applications

• Slip-on flange: easy to align and install

• Socket weld flange: for small bore piping

• Lap joint flange: used with stub end fittings

• Threaded flange: for low pressure applications

• Blind flange: used to close off piping systems

• Spectacle blind flange: used in piping syste...read more