Schlumberger Data Scientist Interview Questions and Answers

Q1. Cfd questions like forward difference scheme and backward difference scheme.
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Q2. In which direction the fluid flows in a vertical pipe when the pressures at two vertical locations are given.
Ans. 
The direction of fluid flow in a vertical pipe depends on the pressure difference between two vertical locations.
• Fluid flows from high pressure to low pressure.

• If the pressure at the lower location is higher than the pressure at the upper location, the fluid will flow downwards.

• If the pressure at the upper location is higher than the pressure at the lower location, the fluid will flow upwards.

• The magnitude of the press...read more
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Q1. About Work experience
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Q2. How do you handle a negative outcome?
Ans. 
I handle negative outcomes by analyzing the root cause and identifying potential solutions.
• I remain calm and objective to avoid making hasty decisions.

• I review the data and identify the root cause of the negative outcome.

• I brainstorm potential solutions and evaluate their feasibility.

• I implement the best solution and monitor its effectiveness.

• I use the experience as a learning opportunity to improve future outcomes.
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Q3. What are the factors that demotivates you in work?
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Q1. Questions based on Bernoullis principle.
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Q2. How to find if a point is inside or outside of a regular polygon?
Ans. 
To find if a point is inside or outside of a regular polygon, we can use the Ray Casting algorithm.
• Draw a line from the point to a point outside the polygon

• Count the number of times the line intersects with the polygon edges

• If the number of intersections is odd, the point is inside the polygon

• If the number of intersections is even, the point is outside the polygon
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Q3. Coding questions by the specialist in US.
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3 questions on various problems based on arrays and matrices.

Q1. Gtky and your projects
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Hypothetical case was given and was told to solve it .

Q1. Managerial round where they look at your fit in the org
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Q1. Techincal 1
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Q2. With some python questions to write logical codes
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Q1. More about business context problems. Asked real time challenges in the business and expected solution for it.
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Q2. Technical 2
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Real time Business case study on implementing retail outlets and how. Speak more about data assumption and implementation of model

Q1. Stake holder management, conflict in team etc
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Q2. Behavioral
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Q1. General questions with package discussion
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Q2. HR
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Contains questions on aptitude, statistics and SQL

Q1. 1. Processes of data analysis 2. Data cleaning process 3. Project discussion on my data analyst project 4. Case study related to the company
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Q1. 1. Behavioral questions 2. On company values
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Q1. Go thru your profile
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Q2. Previous company work experience
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Q3. Why do you wanna change the Job?
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Q4. Why are you interested in this job?
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Q5. Greatest strengths and weaknesses
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Q6. Salary expectations
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Q1. Questions on SQL, Power BI and Basics of Python coding
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Q2. Questions on projects and case studies
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