Keiretsu Consultancy Services Process Engineer Interview Questions and Answers

Q1. Pump curve to be explained
Ans. 
A pump curve is a graphical representation of a pump's performance characteristics.
• Pump curve shows the relationship between flow rate, head, power, and efficiency of a pump.

• It helps in selecting the right pump for a specific application based on the required flow rate and head.

• The curve typically consists of multiple lines representing different pump speeds or impeller diameters.

• The intersection point of the system cu...read more
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Q2. Control valve cv calc
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Q1. Experience to be explained
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Q2. Expectations to be explained
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Q1. What is your higher education
Ans. 
I hold a Master's degree in Chemical Engineering, specializing in process optimization and sustainable manufacturing practices.
• Bachelor's degree in Chemical Engineering from XYZ University.

• Master's degree in Chemical Engineering with a focus on process design.

• Completed a thesis on optimizing chemical processes for reduced waste.

• Participated in internships at ABC Corp, focusing on process improvement.

• Attended workshops ...read more
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Q2. What is your hobbies.
Ans. 
I enjoy hiking, reading, and experimenting with new recipes, which help me unwind and foster creativity in my engineering work.
• Hiking: I love exploring nature trails, which keeps me physically active and mentally refreshed.

• Reading: I read a variety of genres, from science fiction to biographies, to broaden my perspective and inspire innovative thinking.

• Cooking: I experiment with new recipes, which enhances my problem-s...read more
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Q3. What is your salary expectation
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q1. Technical round - depends on your sector and manager . Else no technical questions. Ready to travel . Married or not . Over...
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Q1. Java hash map and how it works
Ans. 
Java hash map is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values based on keys.
• HashMap in Java implements the Map interface and allows null keys and values.

• It uses hashing to store and retrieve key-value pairs, providing O(1) time complexity for get() and put() operations.

• Example: HashMap map = new HashMap<>(); map.put("key", 1); int value = map.get("key");
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Hacker Rank test with medium difficulty

Q1. Technical discussion mainly around system design, different architectures, problem solving and coding question may be asked.
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A case study for a problem statement

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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