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Petrotec India Interview Questions and Answers
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Interview questions from similar companies
Sliding window leet code style
Computer vision task. Image segmentation
(2 Questions)
- Q1. What was the algorithm you used in the task
- Ans.
I used the Random Forest algorithm for the task.
Random Forest is an ensemble learning method that builds multiple decision trees and merges them together to get a more accurate and stable prediction.
It is commonly used for classification and regression tasks.
Example: RandomForestClassifier in scikit-learn library.
- Q2. What are metrics you can use for this task
- Ans.
Metrics for evaluating machine learning tasks
Accuracy
Precision
Recall
F1 Score
ROC AUC
Confusion Matrix
(2 Questions)
- Q1. A presentation of a past project with followup questions
- Q2. Some questions on text classification
Skills evaluated in this interview
Selected
I applied via Company Website and was interviewed in Jun 2024. There were 2 interview rounds.
(6 Questions)
- Q1. Meaning of accrual
- Q2. Meaning of depreciation and accumulated depreciation
- Q3. Golden rules of accounting
- Q4. Journal entry for prepaid expense
- Q5. Concept of Provisions and entry for the same
- Q6. With holding tax returns filed in Spain
(4 Questions)
- Q1. How to deal with toxic people among organisation
- Q2. In case of colleague who is not performing well due to some reason, what would/have you done
- Q3. If new tool/software is required to be learnt for improving work then would you learn ? Have you learned any new tool/software in your existing company to improve your performance
- Q4. There are strict timelines to complete work and an important data which needs to be shared by stakeholder is not received on time but work should be finished on time. In such situation what would you do ?
Interview Preparation Tips
In first round work related questions were asked and they have high expectations. Second round was based on situational questions where candidate is supposed to answer on the basis of his own experience or with the help of some hypothetical situation.
Overall experience was good but do refer basic concepts of accounting before interview.
I applied via campus placement at College of Engineering ( Formerly Pune Instiute of Enginering and Technology ), Pune and was interviewed in Sep 2024. There were 2 interview rounds.
If everyone is cheating you should also do it?
(4 Questions)
- Q1. Everyhting about project..
- Q2. Linear vs logistic regression
- Ans.
Linear regression is used for continuous variables, while logistic regression is used for binary outcomes.
Linear regression is used to predict a continuous outcome based on one or more input variables.
Logistic regression is used to predict the probability of a binary outcome based on one or more input variables.
Linear regression assumes a linear relationship between the independent and dependent variables, while logist...
- Q3. Normalization in dbms
- Ans.
Normalization in DBMS is the process of organizing data in a database to reduce redundancy and improve data integrity.
Normalization involves breaking down data into smaller, more manageable tables and establishing relationships between them.
It helps in reducing data redundancy, minimizing data anomalies, and improving data consistency.
There are different normal forms such as 1NF, 2NF, 3NF, BCNF, and 4NF, each with spec...
- Q4. List array difference etc
- Ans.
Array difference is finding the elements that are present in one array but not in another.
Use set operations like difference to find elements in one array but not in another.
Example: arr1 = ['a', 'b', 'c'], arr2 = ['b', 'c', 'd'], arr_diff = set(arr1) - set(arr2) = ['a']
Skills evaluated in this interview
A medium python program
(2 Questions)
- Q1. Code dictionary
- Q2. Optimise that code written
- Ans.
Optimizing code for better performance and efficiency
Use built-in functions and libraries for faster execution
Minimize unnecessary loops and conditions
Avoid redundant code and optimize data structures
Implement caching or memoization for repetitive computations
(2 Questions)
- Q1. Optimise python code
- Ans.
Optimizing Python code involves improving efficiency and performance.
Use built-in functions and libraries instead of writing custom code
Avoid unnecessary loops and nested loops for better performance
Optimize data structures and algorithms for faster execution
- Q2. Numpy code examples and optimisation
- Ans.
Numpy is a powerful library for numerical operations in Python, with efficient array operations and mathematical functions.
Use vectorized operations instead of loops for better performance.
Avoid unnecessary copying of arrays to save memory.
Utilize broadcasting to perform operations on arrays of different shapes.
Use numpy functions like np.sum(), np.mean(), np.max(), etc. for efficient calculations.
Optimize code by prof
Skills evaluated in this interview
Not important Interview Questions & Answers
Sterling Oil Exploration & Energy Production
Anonymous
posted on 22 Dec 2024
(1 Question)
- Q1. Dumb HR will ruin the company or maybe they behave how the company wants them to behave.
Interview Preparation Tips
(2 Questions)
- Q1. Questions about AWS services
- Q2. Data manipulation using Python
- Ans.
Python is commonly used for data manipulation tasks due to its powerful libraries like Pandas and NumPy.
Use Pandas library for data manipulation tasks in Python
Pandas provides data structures like DataFrame for easy manipulation
Use NumPy for numerical operations on data arrays
Example: df['new_column'] = df['column1'] + df['column2']
Skills evaluated in this interview
Selected
I applied via Approached by Company and was interviewed in May 2024. There were 5 interview rounds.
(1 Question)
- Q1. About Yourself, education, previous work exp etc
(2 Questions)
- Q1. Technical questions Engineering, paper making
- Q2. Hydraulics, Pneumatics, CAD dwg reading
(2 Questions)
- Q1. Project management, Customer Handling, Site installations
- Q2. Troubleshooting, Performance guarantee
Verbal Reasoning, Numerical ability, General Knowledge, English Proficiency.
(2 Questions)
- Q1. Why you want to join?
- Q2. What you will bring with your previous exp and education?
- Ans.
I will bring a combination of practical experience and theoretical knowledge from my previous work and education.
Practical experience in implementing engineering solutions
Theoretical knowledge gained from education in engineering principles
Ability to troubleshoot and problem solve based on past experiences
Strong communication skills to collaborate with team members and stakeholders
(2 Questions)
- Q1. How can you shortout your challenges
- Ans.
To overcome challenges, I prioritize tasks, seek support from team members, and continuously improve my skills.
Prioritize tasks based on urgency and importance
Seek support and guidance from team members or mentors
Continuously improve skills through training and self-development
Stay organized and maintain a positive attitude
Adapt to changes and learn from failures
Set clear goals and create action plans
- Q2. What is PPE regarding work
- Ans.
PPE stands for Personal Protective Equipment and refers to equipment worn to minimize exposure to hazards that can cause injuries or illnesses at work.
Includes items like gloves, goggles, helmets, masks, and safety shoes
Should be provided by the employer and used by employees when necessary
Helps protect against physical, electrical, heat, chemicals, and biohazards
Training on proper use and maintenance of PPE is essenti
(1 Question)
- Q1. Why do you deserve this job?
Rotating Equipment Technician Interview Questions & Answers
Kuwait National Petroleum Company
Anonymous
posted on 12 Apr 2024
Selected
I applied via Recruitment Consulltant and was interviewed in Mar 2024. There was 1 interview round.
(2 Questions)
- Q1. Steam Turbines,Pump, Compressor,
- Q2. Rotating equipment parameters.
- Ans.
Rotating equipment parameters refer to the various factors that affect the performance and operation of rotating machinery.
Key parameters include speed, torque, power, vibration levels, temperature, and lubrication.
Proper monitoring and maintenance of these parameters are essential for ensuring optimal performance and preventing breakdowns.
Examples of rotating equipment include pumps, compressors, turbines, and motors.
...
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Petrotec India Reviews and Ratings
based on 12 reviews
Rating in categories
|
HR Executive
6
salaries
|  ₹3 L/yr - ₹4 L/yr |
|
Procurement Engineer
5
salaries
| ₹2.5 L/yr - ₹5.2 L/yr |
|
Valve Technician
5
salaries
| ₹2 L/yr - ₹12 L/yr |
|
Process Engineer
4
salaries
| ₹4.3 L/yr - ₹5.8 L/yr |
|
Mechanical Engg. Design
4
salaries
| ₹2.5 L/yr - ₹4.1 L/yr |
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