Tata Motors Data Scientist Interview Questions and Answers

Q1. Tell me about yourself
Add your answer
Q2. Questions from projects which was mentioned on resume
Add your answer

Q1. Fitment based questions
Add your answer
Q2. Explain a project
Ans. 
Developed a machine learning model to predict customer churn for a telecom company.
• Collected and cleaned customer data including usage patterns and demographics

• Used classification algorithms like Random Forest and Logistic Regression to build the model

• Evaluated model performance using metrics like accuracy, precision, and recall
Answered by AI
Add your answer

Math, English, reasoning

Q1. Asked me about expected salary
Add your answer

Q1. What is difference between lstm and rnn
Ans. 
LSTM is a type of RNN that addresses the vanishing gradient problem by using memory cells.
• RNN stands for Recurrent Neural Network, a type of neural network that processes sequential data.

• LSTM stands for Long Short-Term Memory, a type of RNN that includes memory cells to retain information over long sequences.

• LSTM is designed to overcome the vanishing gradient problem, which occurs when training RNNs on long sequences.

• L...read more
Answered by AI
Add your answer

Q1. What are different evaluation matrix ?
Ans. 
Evaluation matrices are used to assess the performance of models in data science.
• Confusion matrix: used to evaluate the performance of classification models.

• Precision, recall, and F1 score: measures for binary classification models.

• Mean squared error (MSE): evaluates the performance of regression models.

• R-squared: assesses the goodness of fit for regression models.

• Area under the ROC curve (AUC-ROC): evaluates the perfo...read more
Answered by AI
Add your answer

Q1. My job Responsibility and my job profile.
Add your answer
Q2. Line balancing for me.
Ans. 
Line balancing is the process of optimizing workstations in a production line to minimize idle time and maximize efficiency.
• It involves analyzing the production process and identifying bottlenecks

• Tasks are then rearranged to balance the workload across workstations

• The goal is to achieve a smooth and continuous flow of work

• Example: In a car assembly line, line balancing would involve ensuring that each workstation has a...read more
Answered by AI
Add your answer
Q3. Rejected and part analysis for everyone.
Add your answer
Q4. Check sheet Filling.
Add your answer

First off all, we ought to have some sortoff automobile and production knowledge because they will definitely check our technical skill secondly, listening skill and fluency plays significant factor

Q1. It was more like technical round moreover you have to be clear in purpose of your life based upon they are recruiting
Add your answer
Q2. Define tqbm ? What is bom?
Ans. 
TQBM stands for 'Tudo Que Bem' which means 'Everything is fine' in Portuguese. BOM means 'good' in Portuguese.
• TQBM is a common phrase used in Brazil to ask if everything is okay.

• BOM is often used as a response to TQBM to indicate that everything is good.

• Both TQBM and BOM are informal and commonly used in everyday conversations.

• Example: A friend asks 'TQBM?' and you respond 'BOM, e voce?' which means 'Everything is fine
Answered by AI
Add your answer

Question related to NPD

Q1. About GD&T symbol
Add your answer
Q2. About Inspection tools
Add your answer
Q3. How casting made
Ans. 
Casting is the process of pouring molten metal into a mold to create a specific shape.
• Casting involves creating a mold, melting the metal, pouring the metal into the mold, and allowing it to cool and solidify.

• Different types of casting methods include sand casting, investment casting, die casting, and continuous casting.

• Casting is used in various industries such as automotive, aerospace, and jewelry making.
Answered by AI
Add your answer

Q1. About college Project
Add your answer
Q2. Sql basic questions
Add your answer

About Data in SQL , syntax

Aptitude and coding test after resume shortlist.

1hour coding test after aptitude test

Q1. Tell me about yourself
Add your answer
Q2. Tell me about your family
Add your answer
Q3. What is your professional experience?
Add your answer