Sri Scl Infratech Senior Engineer Interview Questions and Answers

Q1. Execution of Elevated Viaduct (ROB) 6.2KM 1200 numbers pile (Friction & end Bearing Pile) Foundation ROB Pile Cap and Pier, PSC T-Type Pier Cap, Post Tensioning Girder,Bow string (ROB) structure box interc...read more
Ans. 
The execution of an elevated viaduct involves various tasks such as pile foundation, pier construction, post-tensioning girders, and bridge structures.
• Tasks include pile foundation construction for the viaduct, pier construction for support, post-tensioning of girders for strength, and bridge structure assembly.

• Activities also involve conducting load tests, NDT tests, deflection tests, and steel reconciliation for qual...read more
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Q2. Preparation of the planning of site execution day by day as per available drawing. Planning & indenting daily requirement of Labour, Construction Machinery, and Materials &Formwork. Organizing various dail...read more
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How to manage site structure to finishing work

Technical/ mathematics

Q1. About reinforcement
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Q2. About tile testing
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Q3. About material testing
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Q1. Family background
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Q2. Salary discussion
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Q1. Nvh basics,modal analysis
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Q1. Nvh basics,modal analysis,spring mass damper
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Q1. What is Surging?
Ans. 
Surging is a phenomenon in which a system experiences rapid and temporary increases in pressure or flow rate.
• Surging can occur in various systems such as pipelines, compressors, pumps, and turbines.

• It is often caused by sudden changes in demand, equipment malfunctions, or improper system design.

• Surging can lead to damage to equipment, reduced efficiency, and safety hazards.

• Examples include water hammer in pipelines and
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Q2. What is Froude No?
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Froude number is a dimensionless number used to quantify the influence of gravity on fluid flow.
• Froude number is defined as the ratio of inertia force to gravitational force in a fluid flow.

• It is used to determine the type of flow (subcritical, critical, or supercritical) in open channel flow.

• Froude number is calculated as Fr = V / sqrt(g * d), where V is velocity, g is acceleration due to gravity, and d is depth of fl
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Q3. What is Weeping?
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Weeping is the process of fluid leaking out of a solid material, often due to damage or excess moisture.
• Weeping can occur in materials such as wood, concrete, and metal.

• It is often a sign of structural damage or deterioration.

• Examples include water weeping from a crack in a wall or oil weeping from a car engine.

• Weeping can also refer to the shedding of tears in humans and animals.
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Q1. Draw basic PFD of a WTP plant including feed quality and all the sensors.
Ans. 
A basic PFD of a WTP plant including feed quality and sensors.
• Include feed quality parameters such as turbidity, pH, temperature, and flow rate

• Include sensors for monitoring parameters like chlorine levels, pressure, and conductivity

• Show the flow of water through various treatment processes like coagulation, flocculation, sedimentation, filtration, and disinfection
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Q2. What are the process checks done in Line testing of a 6inch dia pigging line including the calculations involved?
Ans. 
Process checks in line testing of a 6inch dia pigging line and associated calculations
• Pressure testing to ensure integrity of the line

• Flow testing to check for blockages or restrictions

• Calibration of pigging equipment for accurate results

• Calculations involve pressure drop, flow rate, and pigging efficiency

• Recording and analyzing data for future reference
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Q1. Why do u qant to leave ur previous company?
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Q2. How do u solve a matter of conflict during a Project meeting?
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Q1. Control Valve sizing
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Q2. Flowmeter selection
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Q1. Reason for shifting
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I shifted to pursue new opportunities for growth and development in my career.
• Seeking new challenges and responsibilities

• Exploring different industries or technologies

• Relocation for personal reasons or family commitments
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Q2. Expected salary
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Q1. What is minimum gap between two structures for seismic point of view
Ans. 
Minimum gap between two structures for seismic point of view is typically around 1.5 times the height of the taller structure.
• Minimum gap is usually 1.5 times the height of the taller structure to reduce seismic interaction.

• This gap helps prevent collision or structural damage during an earthquake.

• Building codes and regulations may specify minimum gaps for seismic safety.

• Example: If one building is 100 feet tall, the m...read more
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Q1. Prepare basics properly before going for interview, they mostly ask less questions with more depth.
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Q2. Draw BMD for sway frame.
Ans. 
BMD for sway frame is a diagram showing the variation of bending moment along the length of the frame.
• BMD for sway frame will have a shape similar to a zigzag pattern due to the presence of sway in the frame.

• The bending moment will be maximum at the points where the frame experiences maximum sway.

• The BMD can be drawn by analyzing the internal forces and moments acting on the frame.
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Q1. Draw piperack elevations
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Drawing piperack elevations involves creating detailed drawings of the structure from different viewpoints.
• Start by determining the dimensions and layout of the piperack

• Use software like AutoCAD to create accurate and detailed drawings

• Include all necessary details such as pipe sizes, supports, and connections

• Label all components clearly for easy understanding

• Review and revise the drawings as needed for accuracy
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Q2. Anchor bolt design
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Q3. Base plate design
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Q1. About salary and experience
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Q1. Chiller trouble shooting
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Q2. Work of cchiller
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A chiller is a machine that removes heat from a liquid via a vapor-compression or absorption refrigeration cycle.
• Chillers are commonly used in air conditioning systems to cool buildings or industrial processes.

• They work by transferring heat from the liquid being chilled to a separate fluid, which is then circulated through a heat exchanger to cool it down.

• Chillers can be water-cooled or air-cooled, depending on the app
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Q3. Alarm and solutions
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Q4. Controlling andetc
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Salary and job responsibilities