10+ Piping Design Engineer Interview Questions and Answers

Answering questions related to suction lift, welding efficiency factor, pipe size calculation, and salary for Design Engineer (Piping)

• Suction lift is the maximum height a pump can lift water from a source to the pump's inlet

• Welding efficiency factor is the ratio of the strength of a welded joint to the strength of the base metal

• Pipe size calculation involves considering factors such as flow rate, pressure drop, and velocity

• Salary for Design Engineer (Piping) varies based on e...read more

Eccentric reducers are used in suction lines with flat side up to prevent air pockets and improve flow efficiency.

• Eccentric reducers help in preventing air pockets from forming in the suction line

• Having the flat side up ensures that any trapped air can easily escape

• Improves flow efficiency by reducing turbulence and pressure drop

• Commonly used in applications where smooth flow is critical, such as pump suction lines

Pump discharge piping is done by considering various factors such as flow rate, pressure, pipe material, and support requirements.

• Determine the flow rate and pressure requirements of the pump

• Select appropriate pipe material based on the fluid being pumped and the operating conditions

• Design the piping layout to minimize pressure drop and ensure proper support

• Include necessary components such as valves, fittings, and strainers

• Consider factors such as expansion and contraction d...read more

It is not possible to draw a complete isometric drawing without specific details and requirements.

• Isometric drawings require specific measurements and details to accurately represent the object being drawn.

• The drawing should include all necessary dimensions, angles, and features.

• The drawing should also be labeled with appropriate annotations and notes.

• Examples of isometric drawings include piping systems, mechanical components, and architectural designs.

There are several types of couplings used in piping design, each serving a specific purpose.

• Types of couplings include rigid couplings, flexible couplings, compression couplings, and mechanical couplings.

• Rigid couplings are used when precise alignment is required between two pipes.

• Flexible couplings allow for some degree of misalignment and vibration absorption.

• Compression couplings are used to connect pipes of the same or different materials.

• Mechanical couplings are quick an...read more

Figure 8 is a type of knot commonly used in piping design to secure two ropes or cables together.

• Figure 8 knot is also known as a stopper knot due to its ability to prevent ropes from slipping through holes or other openings.

• It is easy to tie and untie, making it a popular choice for various applications in piping design.

• The figure 8 knot is often used in rock climbing, sailing, and rescue operations for its reliability and strength.

Boilers are used to generate steam or hot water for heating or power generation. Components include burners, tubes, drums, and controls.

• Types of boilers include fire tube, water tube, and electric boilers

• Components of a boiler include burners, tubes, drums, economizers, superheaters, and controls

• Examples of boilers: Fire tube - Scotch marine boiler, Water tube - Babcock and Wilcox boiler, Electric - Electrode boiler

Piping design activities involve creating detailed plans and specifications for piping systems in various industries.

• Developing piping layouts and routing plans

• Selecting appropriate materials and components

• Calculating pressure and flow rates

• Creating detailed drawings and schematics

• Collaborating with other engineers and stakeholders

• Ensuring compliance with industry standards and regulations

Control station piping is essential for regulating and monitoring the flow of fluids in a system.

• Control station piping connects various components such as valves, instruments, and equipment to control the flow of fluids.

• Proper design of control station piping ensures efficient operation and safety of the system.

• Consider factors like pressure, temperature, and material compatibility when designing control station piping.

• Examples of control station piping include piping system...read more

Suction piping of pump is crucial for efficient operation and performance.

• Suction piping should be designed to minimize friction losses and ensure proper flow to the pump.

• Proper sizing and layout of suction piping is essential to prevent cavitation and maintain pump efficiency.

• Consider factors such as pipe diameter, length, bends, and fittings when designing suction piping.

• Use smooth bore pipes, avoid sharp bends, and ensure proper support to prevent vibration and stress on t...read more