Vardeep Petro Chemical Interview Questions and Answers

Sliding window leet code style

Computer vision task. Image segmentation

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.
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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
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Q1. A presentation of a past project with followup questions
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Q2. Some questions on text classification
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Q1. It was related to sales logistics to international customers
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Q2. It was related to regulatory affairs in sales coordination
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Q1. It was in regard to commitment and hard work, alignment with company fast paced culture
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Q2. It was in regard to CRM/ERP software
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Q1. Research and development, NPD
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Q2. Project management
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Q1. Project management
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Q2. Quality and team
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Q1. Hydrostatic Head unit, formula?
Ans. 
Hydrostatic Head unit is a measure of water resistance in textiles. Formula: HH = height of water column in mm.
• Hydrostatic Head unit measures the pressure water exerts on a fabric.

• Formula: HH = height of water column in mm.

• Higher HH value indicates better water resistance.

• Example: Fabric with HH of 10,000mm can withstand a 10,000mm water column before leaking.
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Q2. Largest unit of density? Why water not directly used in Drilling?
Ans. 
The largest unit of density is g/cm^3. Water is not directly used in drilling due to its low density compared to drilling fluids.
• The largest unit of density is grams per cubic centimeter (g/cm^3)

• Water has a density of 1 g/cm^3, which is relatively low compared to drilling fluids

• Drilling fluids are used in drilling operations to provide lubrication, cooling, and pressure control
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Q3. Why Packer is used?
Ans. 
Packer is used for creating identical machine images for multiple platforms from a single source configuration.
• Packer helps in automating the process of creating machine images for different platforms like AWS, Azure, VMware, etc.

• It allows for consistent and repeatable builds, ensuring that the images are always up-to-date and secure.

• Packer can be integrated with configuration management tools like Ansible, Chef, or Pu...read more
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Q4. Newton's 1st and 2nd Law of motion?
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Newton's 1st law states that an object will remain at rest or in uniform motion unless acted upon by an external force. The 2nd law states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.
• 1. Newton's 1st Law: An object will remain at rest or in uniform motion unless acted upon by an external force.

• 2. Newton's 2nd Law: The acceleration of an...read more
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Q5. Bernoulli's principle and example.
Ans. 
Bernoulli's principle states that as the speed of a fluid increases, its pressure decreases.
• The principle is based on the conservation of energy in a flowing fluid.

• It is commonly used in aviation to explain lift on an airplane's wings.

• Another example is the flow of water through a pipe where the pressure decreases as the velocity increases.
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Q6. Intro? How and Where did you know about our company? basic HR questions.
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Q1. SOPs and Process controls
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Q2. How to optimize the OPEX
Ans. 
Optimizing OPEX involves identifying cost-saving opportunities and implementing efficient processes.
• Conduct a thorough analysis of current expenses to identify areas for improvement

• Implement lean manufacturing principles to reduce waste and improve efficiency

• Invest in technology and automation to streamline production processes

• Negotiate with suppliers for better pricing and terms

• Train and develop employees to increase
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Q3. What is OEE and how we improve it?
Ans. 
OEE stands for Overall Equipment Effectiveness, a metric used to measure the efficiency of production equipment.
• OEE takes into account three factors: availability, performance, and quality.

• To improve OEE, focus on reducing downtime, increasing production speed, and minimizing defects.

• Examples of improving OEE include implementing preventive maintenance schedules, training operators for optimal performance, and implemen
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Q4. What is Productivity
Ans. 
Productivity is the measure of efficiency in completing tasks or producing goods.
• Productivity is the ratio of output to input in a specific period of time.

• It can be measured by dividing the total output by the total input.

• Examples of productivity measures include units produced per hour, revenue generated per employee, or tasks completed per day.
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Basic aptitude questions

Coding questions related to snack and ladders and also elevator

Q1. Introduce your self ?
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Q1. Basic Knowledge About Company
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Basic electronics question

Q1. Electronics components,LDO, Power supply,rectifier
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Q1. Basic salary discussion
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