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Pratt & Whitney Data Scientist Interview Questions and Answers

Updated 1 Oct 2024

Pratt & Whitney Data Scientist Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Sep 2024. There were 3 interview rounds.

Round 1 - Coding Test 

Based upon the profile vary, time series related problems, power BI

Round 2 - One-on-one 

(2 Questions)

  • Q1. Deep profile discussion
  • Q2. Futuristic opinion analysis
Round 3 - HR 

(2 Questions)

  • Q1. Salary discussion
  • Q2. Basic questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Aerospace knowledge matters in these companies

Interview questions from similar companies

I applied via Indeed and was interviewed before Apr 2021. There were 5 interview rounds.

Round 1 - Video Call 

(3 Questions)

  • Q1. What are the types of ML algorithms? Give an example of each.
  • Ans. 

    There are several types of ML algorithms, including supervised learning, unsupervised learning, and reinforcement learning.

    • Supervised learning: algorithms learn from labeled data to make predictions or classifications (e.g., linear regression, decision trees)

    • Unsupervised learning: algorithms find patterns or relationships in unlabeled data (e.g., clustering, dimensionality reduction)

    • Reinforcement learning: algorithms l...

  • Answered by AI
  • Q2. How do you do time series classification?
  • Ans. 

    Time series classification involves using machine learning algorithms to classify time series data based on patterns and trends.

    • Preprocess the time series data by removing noise and outliers

    • Extract features from the time series data using techniques such as Fourier transforms or wavelet transforms

    • Train a machine learning algorithm such as a decision tree or neural network on the extracted features

    • Evaluate the performan...

  • Answered by AI
  • Q3. What is PCA and where and how it is used?
  • Ans. 

    PCA stands for Principal Component Analysis. It is a statistical technique used for dimensionality reduction.

    • PCA is used to reduce the number of variables in a dataset while retaining the maximum amount of information.

    • It is commonly used in data preprocessing and exploratory data analysis.

    • PCA is also used in image processing, speech recognition, and finance.

    • It works by transforming the original variables into a new set...

  • Answered by AI
Round 2 - Assignment 

It is a typical Data Science assignment. We have to answer few questions asked in the assignment like why do you choose the features? or where can you use this model?

Round 3 - Technical 

(3 Questions)

  • Q1. Explain the project and project related questions
  • Q2. Explain the thought process about the choosing the model in your assignment
  • Ans. 

    The thought process for choosing the model involved considering the problem requirements, available data, and the desired outcome.

    • Identified the problem requirements and objectives

    • Explored the available data and its quality

    • Considered the nature of the problem (classification, regression, etc.)

    • Evaluated different models suitable for the problem

    • Analyzed the strengths and weaknesses of each model

    • Selected the model that be...

  • Answered by AI
  • Q3. Explain the EDA, features and metrics used in the assignment.
  • Ans. 

    EDA involved exploratory analysis of data to identify patterns and insights. Features included demographic and behavioral data. Metrics used were accuracy, precision, recall, and F1 score.

    • EDA involved data cleaning, visualization, and statistical analysis

    • Features included age, gender, income, education, and purchase history

    • Metrics used were accuracy, precision, recall, and F1 score to evaluate model performance

    • Explorat...

  • Answered by AI
Round 4 - Behavioral 

(2 Questions)

  • Q1. Few one-word answer questions to test your fitment in the company
  • Q2. Opinion based questions - for example do you think that AI is used extensively in current world? and do we need to privatize the every data we gather?
Round 5 - HR 

(3 Questions)

  • Q1. What are your salary expectations?
  • Ans. 

    I expect a competitive salary based on my experience, skills, and the market rate for data scientists.

    • I have researched the average salary range for data scientists in the industry.

    • I have considered my level of experience and expertise in the field.

    • I am open to discussing the salary package based on the overall compensation package offered by the company.

    • I value fair compensation that aligns with the responsibilities a

  • Answered by AI
  • Q2. Share details of your previous job.
  • Ans. 

    I worked as a Data Scientist at XYZ company.

    • Developed machine learning models to predict customer churn.

    • Analyzed large datasets to identify patterns and trends.

    • Collaborated with cross-functional teams to develop data-driven solutions.

    • Implemented data visualization techniques to communicate insights to stakeholders.

  • Answered by AI
  • Q3. Salary negotiations was discussed

Interview Preparation Tips

Topics to prepare for Rolls-Royce Data Scientist interview:
  • Machine Learning
Interview preparation tips for other job seekers - Be creative, true to yourself and prepare the ML topics well

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. What's your strength

Interview Preparation Tips

Interview preparation tips for other job seekers - an interview with 3 team members and a manager
questions about working experiences and case study in english and french

I applied via Approached by Company and was interviewed in Mar 2022. There were 3 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. What kind of project you have done give some brief. How you will avoid over fiting to model. How will you handle missing data points in a data frame. Why you want to join our company.
Round 2 - One-on-one 

(1 Question)

  • Q1. Behavioral question was asked by manager.
Round 3 - HR 

(1 Question)

  • Q1. CTC discussion was done

Interview Preparation Tips

Interview preparation tips for other job seekers - Try to give best and rest live on hands of God
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Job Portal and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Python programming for 45 for minutes

Round 2 - Technical 

(2 Questions)

  • Q1. What are the hyperparameters of SVM
  • Ans. 

    Hyperparameters of SVM include C, kernel, gamma, degree, and coef0.

    • C: Regularization parameter that controls the trade-off between achieving a low error on the training data and minimizing model complexity.

    • Kernel: Specifies the type of hyperplane used to separate the data.

    • Gamma: Kernel coefficient for 'rbf', 'poly', and 'sigmoid' kernels.

    • Degree: Degree of the polynomial kernel function.

    • Coef0: Independent term in kernel...

  • Answered by AI
  • Q2. How to tune that hyperparameters
  • Ans. 

    Hyperparameters can be tuned using techniques like grid search, random search, and Bayesian optimization.

    • Grid search: Exhaustively search through a specified subset of hyperparameters.

    • Random search: Randomly sample hyperparameter combinations.

    • Bayesian optimization: Use probabilistic models to predict the performance of different hyperparameter configurations.

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I applied via LinkedIn

Round 1 - Case Study 

Time series case-study

Round 2 - Technical 

(1 Question)

  • Q1. Technical questions from case study and resume

Interview Questionnaire 

12 Questions

  • Q1. What is fuselage station
  • Ans. 

    Fuselage station refers to a specific location on an aircraft's fuselage.

    • Fuselage station is a measurement of distance along the fuselage, typically measured in inches or millimeters.

    • It is used as a reference point for various components and systems on the aircraft.

    • For example, an aircraft's doors, windows, wings, and tail are all located at specific fuselage stations.

    • Fuselage station 0 is usually defined as the refere...

  • Answered by AI
  • Q2. What is butt line
  • Ans. 

    Butt line is not a commonly used term. It could refer to the line where the buttocks meet the thighs.

    • Butt line is not a medical term.

    • It could refer to the line where the buttocks meet the thighs.

    • It is not a commonly used term and may have different interpretations depending on the context.

  • Answered by AI
  • Q3. What is water line
  • Ans. 

    Water line refers to the pipe or tubing that carries water from the main supply to a building or property.

    • Water line is an essential component of a plumbing system.

    • It can be made of various materials such as copper, PVC, or galvanized steel.

    • The size of the water line depends on the water demand of the building or property.

    • Water lines can be underground or above ground.

    • A water line break or leak can cause significant da

  • Answered by AI
  • Q4. Cutting tools
  • Q5. Drill bit sizes
  • Q6. In drawing what is fast angel What is thired ange projection
  • Ans. 

    The question is unclear and seems to contain errors.

    • The question may be referring to 'fast angle' and 'third angle projection' in technical drawing.

    • Fast angle refers to a type of projection where the object is viewed from an angle that is not perpendicular to any of its faces.

    • Third angle projection is a method of drawing 3D objects in which the object is placed in a box with three sides and projected onto a plane.

    • Witho...

  • Answered by AI
  • Q7. What is the meaning of rivet how will it work
  • Ans. 

    A rivet is a metal fastener used to join two or more pieces of material together permanently.

    • Rivets are commonly used in construction, automotive, and aerospace industries.

    • They are inserted into pre-drilled holes and then deformed to hold the materials together.

    • Rivets can be made of various materials including aluminum, steel, and copper.

    • They are often used in place of screws or bolts when a permanent joint is required...

  • Answered by AI
  • Q8. General drill bit angel
  • Q9. How many cutting angels in reamer
  • Ans. 

    The number of cutting angles in a reamer varies depending on the type and size of the reamer.

    • The number of cutting angles can range from 2 to 6.

    • The cutting angles are designed to remove material from the workpiece as the reamer rotates.

    • The cutting angles can be straight or spiral, and can be symmetrical or asymmetrical.

    • The number and angle of the cutting edges can affect the surface finish and accuracy of the hole.

    • Exam...

  • Answered by AI
  • Q10. How many cutting angle in drill bit
  • Ans. 

    Drill bits can have various cutting angles depending on their purpose and material.

    • The most common cutting angle for general purpose drill bits is 118 degrees.

    • Drill bits for harder materials like metal may have a sharper angle of 135 degrees.

    • Masonry drill bits have a flatter angle of 90 degrees to prevent cracking of the material.

    • The cutting angle affects the efficiency and precision of the drilling process.

  • Answered by AI
  • Q11. Drill bit made by
  • Ans. 

    Drill bits are made by various manufacturers using different materials and designs.

    • Drill bits can be made from high-speed steel, cobalt, carbide, or diamond.

    • Manufacturers include DeWalt, Bosch, Milwaukee, and Irwin.

    • The design of the drill bit can vary depending on the intended use, such as twist bits, spade bits, or hole saws.

  • Answered by AI
  • Q12. How many cutting files
  • Ans. 

    The number of cutting files depends on the project requirements and design complexity.

    • The number of cutting files can range from a few to hundreds or even thousands.

    • It also depends on the type of cutting machine being used.

    • For example, a laser cutting machine may require different files than a CNC router.

    • The number of cutting files can also vary based on the material being cut and its thickness.

    • It is important to have ...

  • Answered by AI

I was interviewed in Nov 2020.

Interview Questionnaire 

1 Question

  • Q1. Job profile Question. Managerial skill question. Basic Engineering question.

Interview Preparation Tips

Interview preparation tips for other job seekers - Basic engineering concept.
Application software know how knowledge.

Interview Questionnaire 

7 Questions

  • Q1. 1. Introduction, it's a common question?
  • Q2. Why you want to switch your job?
  • Q3. Is job your passion or it's your need?
  • Q4. How should you handled the critical situation?
  • Ans. 

    Handling critical situations requires quick thinking, clear communication, and a calm demeanor.

    • Assess the situation and prioritize actions

    • Communicate clearly and effectively with all parties involved

    • Remain calm and focused

    • Take decisive action while considering potential consequences

    • Seek assistance or advice from colleagues or superiors if necessary

  • Answered by AI
  • Q5. How you managed 2 problems in a same time?
  • Ans. 

    I prioritize the problems based on urgency and importance, and then allocate time and resources accordingly.

    • Assess the urgency and importance of each problem

    • Create a plan of action for each problem

    • Allocate time and resources based on the plan

    • Regularly reassess and adjust the plan as needed

    • Example: If one problem is a deadline that cannot be missed and the other is a minor issue, prioritize the deadline and allocate mor

  • Answered by AI
  • Q6. Describe your last vacation or last memorable day?
  • Q7. Talk on profession, topic, "for ex. why you choose french, why you do B.tech etc?

Interview Preparation Tips

Interview preparation tips for other job seekers - asked only 4 to 5 questions not too much. with in 5 question an interviewer know about the skill of that candidate.
Thanks
Regard Richa
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Data Sceince related questions

Pratt & Whitney Interview FAQs

How many rounds are there in Pratt & Whitney Data Scientist interview?
Pratt & Whitney interview process usually has 3 rounds. The most common rounds in the Pratt & Whitney interview process are Coding Test, One-on-one Round and HR.
What are the top questions asked in Pratt & Whitney Data Scientist interview?

Some of the top questions asked at the Pratt & Whitney Data Scientist interview -

  1. Futuristic opinion analy...read more
  2. Basic questi...read more

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