SYSTRA Senior Design Engineer Interview Questions and Answers

Q1. WELDING SYMBOLS EXPLAIN
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Welding symbols are used to communicate welding information on engineering drawings.
• Welding symbols are used to indicate the type of weld, dimensions, and other important information related to the welding process.

• They are typically composed of a reference line, arrow, and various symbols and letters.

• Examples of welding symbols include fillet weld, groove weld, plug weld, and spot weld symbols.

• Understanding welding sym...read more
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Q2. TYPES OF WELDING
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Types of welding include MIG, TIG, stick, and flux-cored welding.
• MIG welding uses a wire electrode and shielding gas to join metals.

• TIG welding uses a tungsten electrode and inert gas to create a strong weld.

• Stick welding, also known as shielded metal arc welding, uses a flux-coated electrode.

• Flux-cored welding uses a tubular wire filled with flux to protect the weld.

• Other types include spot welding, laser welding, and
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Q3. GD & T SYMBOLS
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Q1. TOOLS DETAIL & EXPLAIN
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Design engineers use a variety of tools to create and analyze designs.
• Design software like AutoCAD, SolidWorks, or CATIA is commonly used for creating 2D and 3D models.

• Simulation tools like ANSYS or COMSOL are used to analyze the performance of designs under different conditions.

• Prototyping tools like 3D printers or CNC machines are used to create physical prototypes for testing.

• Collaboration tools like Slack or Trello...read more
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Q2. GIVE THE 2D DRAWING CREATED THE 3D MODELS
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To create 3D models from 2D drawings, use CAD software to extrude, revolve, and loft shapes based on the dimensions and features shown in the drawings.
• Import the 2D drawing into CAD software such as AutoCAD or SolidWorks

• Identify key dimensions and features from the drawing

• Use extrude, revolve, and loft commands to create 3D shapes based on the 2D geometry

• Add details such as fillets, chamfers, and holes to complete the ...read more
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Q1. Electrical engineers
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Q2. Electrical digine eng
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Q3. Why joined your company
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I joined the company because of its innovative projects and collaborative work environment.
• Opportunity to work on cutting-edge projects

• Collaborative work environment

• Company's reputation in the industry

• Career growth opportunities
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Q1. What is Reynolds number
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Reynolds number is a dimensionless quantity used in fluid mechanics to predict flow patterns in different fluid flow situations.
• Reynolds number is calculated as the ratio of inertial forces to viscous forces in a fluid flow.

• It helps determine whether the flow is laminar (smooth and orderly) or turbulent (chaotic and irregular).

• Reynolds number is used in various engineering applications such as designing pipes, aircraft...read more
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Q2. Mm to micron
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Q3. Manufacturing process
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Q1. Process description of treatment plant
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A treatment plant is a facility where wastewater is treated to remove contaminants before being discharged back into the environment.
• Treatment plants use a combination of physical, chemical, and biological processes to remove pollutants from wastewater.

• Common processes in treatment plants include screening, sedimentation, filtration, and disinfection.

• Examples of treatment plants include sewage treatment plants, water t...read more
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Q2. About different concepts of pid
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Q1. Salary discussion and negotiation
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Q2. French language proficiency
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Q1. Whats is your job role
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As a Design Engineer, my job role is to create and develop innovative designs for products or systems.
• Designing and creating detailed engineering drawings and specifications

• Collaborating with cross-functional teams to ensure design feasibility and functionality

• Using computer-aided design (CAD) software to develop and modify designs

• Conducting research and analysis to identify design improvements

• Testing and evaluating pr...read more
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Q1. Whats is the Expected CTC
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Expected CTC depends on the job role, experience, and company policies.
• Expected CTC can vary based on the job role and responsibilities.

• Experience and skills of the candidate also play a crucial role in determining the CTC.

• Company policies and budget can also impact the expected CTC.

• It is important to research industry standards and negotiate based on your qualifications.

• For example, a software engineer with 5 years of...read more
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Easy to moderate level questions

Q1. All about previous experience
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Q1. Tool test with Invebtor software
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Q1. Explain the suction piping of pump?
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Suction piping of a pump is the piping system that brings fluid into the pump from the source.
• Suction piping is designed to ensure a smooth flow of fluid into the pump without any air pockets or cavitation.

• The piping should be sized appropriately to prevent excessive pressure drop and maintain efficient pump operation.

• Proper alignment and support of the piping is crucial to prevent stress on the pump and ensure longevi...read more
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Q2. Why we used eccentric reducer in suction line with flat side up/
Ans. 
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
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Q3. What is figure 8?
Ans. 
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 reliabilit
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Q1. Piping of control station
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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 pipin...read more
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Q2. Suction piping of pump
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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 ...read more
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