Eltech Appliances Service Engineer Interview Questions and Answers for Experienced

Q1. How many your past salary What's your knowledge What your learning skill Company timings
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Q1. I want to job
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Q1. Ups invertor Service
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Q2. Home work services
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Q3. Ups invertor services
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Q1. Ups invertor services
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Q2. Homework Service
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Normal aptitude questions

Questions from DSA and basic looping concepts

Q1. If you are an experienced candidate questions related to your previous experience and questions related to the technology and role that you applied for will be asked
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Q1. HR round is basically for behavioural analysis and background verification
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General knowledge of sales & startergy

Q1. Technical specifications of products
Ans. 
Technical specifications of products refer to the detailed information about the features, capabilities, and performance of the products.
• Technical specifications typically include dimensions, materials, power requirements, and compatibility.

• Examples of technical specifications include processor speed, screen resolution, storage capacity, and connectivity options.

• Understanding technical specifications is crucial for eff...read more
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Q2. Introduction & product knowledge
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Simple staright forward necessary domain questions

Q1. What are joins you have worked onshowcase. Them
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Q2. What is query folding power query
Ans. 
Query folding in Power Query is the process of pushing data transformation steps back to the data source for more efficient query execution.
• Query folding helps optimize query performance by minimizing data transfer between the data source and Power Query.

• It allows Power Query to generate and execute SQL queries against the data source instead of loading all data into memory for processing.

• Query folding is particularly ...read more
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Q3. What are earlier projects worked on
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Q4. How to you handle load effectively
Ans. 
I handle load effectively by prioritizing tasks, delegating when necessary, and utilizing time management techniques.
• Prioritize tasks based on deadlines and importance

• Delegate tasks to team members to distribute workload

• Utilize time management techniques such as Pomodoro technique or Eisenhower matrix

• Stay organized with to-do lists and calendars

• Communicate with team members to ensure everyone is on the same page
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Q5. Walk through the challenges you faced
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Q1. Array vs string
Ans. 
Arrays are collections of multiple values, while strings are sequences of characters.
• Arrays can store multiple values of different data types, while strings are specifically for storing sequences of characters.

• Arrays can be accessed and manipulated using index positions, while strings have specific methods for working with characters.

• Example: array = ['apple', 'banana', 'cherry'], string = 'hello world'
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Q2. String reverse , tree traversal
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Q3. Read trie topic
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