TCE Interview Questions, Process, and Tips

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?
Ans. 
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?
Ans. 
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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It was a technicaL + aptitude test with 60 minutes duration.

Q1. Basic questions regarding the projects that i have done.
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Q2. They asked me about my favourite subjects and then they asked some basic questions regarding those subjects.
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Q1. HR round in TCE is not an interview round rather it is a video assessment wherein we were given with two HR questions and we have to record a video answering the questions. maximum duration of the video sh...read more
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It is easy for both aptitude and core subjects.

Q1. Most of the questions were from structural design. They also asked on geotechnical and transportation and i guess this is because i have done my internship in highway and currently doing project in geotech
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Q1. This was a video round with 2 questions. About yourself? How well do you fit in the company? Skills that you posses?
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Q1. If you need to increase terminal residual pressure in pipe, what would you do?
Ans. 
To increase terminal residual pressure in a pipe, you can adjust the pump speed, increase the pipe diameter, or reduce the pipe length.
• Adjust the pump speed to increase the pressure in the pipe.

• Increase the pipe diameter to reduce friction losses and increase pressure.

• Reduce the pipe length to minimize pressure drop along the pipe.

• Check for any leaks or blockages in the pipe that may be causing pressure loss.
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Q2. What are the different Concrete grades?
Ans. 
Concrete grades are classifications that indicate the strength of the concrete mix used in construction projects.
• Concrete grades are classified based on their compressive strength, measured in megapascals (MPa).

• Common concrete grades include C10, C15, C20, C25, C30, C35, C40, C45, C50, and C60.

• Higher grade concrete mixes are used for projects that require stronger and more durable structures.

• The specific grade of concr...read more
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Q3. What are the other software you are experienced in designing water supply networks
Ans. 
I am experienced in designing water supply networks using software such as EPANET, WaterCAD, and Bentley WaterGEMS.
• EPANET

• WaterCAD

• Bentley WaterGEMS
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