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SAEL Industries Limited
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SAEL Industries Limited Data Engineer Interview Questions and Answers
SAEL Industries Limited Data Engineer Interview Experiences
1 interview found
Nilesh
(2 Questions)
- Q1. What is spark dataset
- Ans.
Spark Dataset is a distributed collection of data organized into named columns.
It is an extension of the Spark DataFrame API.
It provides type-safe, object-oriented programming interface.
It offers better performance and optimization compared to DataFrames.
Example: val dataset = spark.read.json("path/to/file").as[MyCaseClass]
- Q2. Spark vs hadoop
- Ans.
Spark is faster for real-time processing, while Hadoop is better for batch processing and large-scale data storage.
Spark is faster than Hadoop due to in-memory processing.
Hadoop is better for batch processing and large-scale data storage.
Spark is more suitable for real-time processing and iterative algorithms.
Hadoop is more suitable for processing large volumes of data in a distributed manner.
Spark is commonly used for...
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Anonymous
I applied via Naukri.com and was interviewed in Nov 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. How will you analyse the total consumption of diesel in equipment
- Ans.
To analyse total diesel consumption in equipment, I would gather data on usage and calculate fuel efficiency.
Collect data on equipment usage and fuel consumption
Calculate fuel efficiency by dividing fuel consumption by equipment usage
Compare fuel efficiency across different equipment to identify outliers
Identify factors that may affect fuel efficiency, such as maintenance or operator behavior
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. VRV system, mep related, fire fighting,
I applied via Referral and was interviewed before Mar 2020. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Method Overloading and Method Overriding
- Q2. Excel Presentation
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. Normal question about personality and job related
Interview Preparation Tips
Experience: Interview was going smoothly & all questions was related my job so it's was easy for me.
Tips: Good knowledge about of wind turbine
Duration: 2 hours
Total Questions: 25
Round: HR Interview
Experience: Interview was completed so easy
Tips: Required nice personality and confidence is must required
I appeared for an interview before Nov 2016.
Interview Questionnaire
3 Questions
- Q1. About yourself
- Q2. Will you work at any location
- Ans.
Yes, I am willing to work at any location for the Senior Engineer position.
I am open to relocating for the right opportunity
I have experience working in different locations
I am flexible and adaptable to new environments
- Q3. Why you think you can work in any adverse situation
- Ans.
I have a proven track record of staying calm and focused in challenging situations, allowing me to problem-solve effectively.
I have experience working in high-pressure environments and have successfully delivered projects on time despite obstacles.
I am adaptable and can quickly assess a situation to determine the best course of action.
I have strong problem-solving skills and can think creatively to find solutions in ad
Interview Preparation Tips
Duration: 1 hour
Total Questions: 100
Round: Group Discussion
Duration: 20 minutes
I applied via Referral and was interviewed before Mar 2021. There were 2 interview rounds.
(2 Questions)
- Q1. Tell me about yourself
- Ans. Starting from curriculum to end up with experience and some small personal details in between
- Q2. Where do you see yourself in next 5 year
- Ans. Look at the company hierarchy and look at yourself as growth perspective.
Interview Preparation Tips
All the best for future.
Selected
I applied via Recruitment Consulltant and was interviewed in Feb 2023. There were 3 interview rounds.
(1 Question)
- Q1. About utility and material handling equipment
(1 Question)
- Q1. Salary discussion
Interview Preparation Tips
- Air Compressor
- Chiller Plant
- RO
I appeared for an interview in Sep 2024.
(2 Questions)
- Q1. What is cluster? How is it working
- Ans.
A cluster is a group of interconnected computers that work together to perform tasks as a single system.
Clusters can improve performance and availability by distributing workloads.
They are commonly used in high-performance computing (HPC) environments.
Examples include Hadoop clusters for big data processing and Kubernetes clusters for container orchestration.
Clusters can be configured for load balancing, failover, or p
- Q2. What is lookup? What purpose are using?
- Ans.
Lookup refers to the process of retrieving data from a data structure or database based on a key or identifier.
Lookup operations are commonly used in databases to fetch records based on unique identifiers, like user IDs.
In programming, hash tables use lookup to quickly find values associated with keys, improving efficiency.
For example, in a dictionary, looking up a word retrieves its definition.
APIs often perform looku...
Selected
I appeared for an interview before Feb 2024.
(2 Questions)
- Q1. Tell me about yourself.
- Q2. How can I contribute to our company?
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SAEL Industries Limited Data Engineer Interview Process
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