Renesola Solutions Private Limited Interview Questions and Answers

Q1. Difference b/w deep copy and shallow copy
Ans. 
Deep copy creates a new copy of an object with all nested objects also copied, while shallow copy creates a new object with references to the original nested objects.
• Deep copy creates a new object and recursively copies all nested objects, resulting in a completely independent copy.

• Shallow copy creates a new object but only copies the references to nested objects, so changes in nested objects reflect in both the origin...read more
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Q2. Difference between foreach and map
Ans. 
foreach is used to iterate over an array and perform a function on each element, while map creates a new array by applying a function to each element.
• foreach does not return a new array, while map does

• foreach is used for side effects, while map is used for transformation

• Example: forEach - let numbers = [1, 2, 3]; numbers.forEach(num => console.log(num)); // prints 1, 2, 3

• Example: map - let numbers = [1, 2, 3]; let doub...read more
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Q3. Pure impure pipe
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Q4. Ngonchanges usage
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Q5. Basic array methods
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Q6. Difference null undefined empty values in js
Ans. 
null is an intentional absence of any value, undefined means a variable has been declared but not assigned a value, and empty values are variables that have been assigned a value of empty string, empty array, or empty object.
• null is used to represent the intentional absence of any value

• undefined means a variable has been declared but not assigned a value

• Empty values can be empty string (''), empty array ([]), or empty
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Q1. Tell me something about yourself
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Q2. What made you to apply for this job?
Ans. 
I applied for this job because of my passion for sales and my desire to lead a team to success.
• Passion for sales and desire to lead

• Opportunity to utilize my skills and experience

• Excitement for the challenges and opportunities in the role
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Q1. Salary negotiations. It was illogical and unprofessional.
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Q2. What's your expectations
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Quality control processes involve the systematic examination of production methods and outputs to ensure that products meet established standards. Problem analysis refers to the process of identifying, examining, and understanding issues that arise within these processes to improve product quality and efficiency.
Fire fighting Project responsibilities
Pipelines Installation

Q1. What is the definition of quality control?
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Q2. What is the process for installing fire fighting pipelines?
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Q1. What actions will you take to resolve customer issues permanently?
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Q2. Where do you envision yourself in a few years?
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Q1. How do you ensure that communication is effective, particularly through emails?
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Q1. Event Loop based questions
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Q2. Difference between React and Angular in depth
Ans. 
React is a JavaScript library for building user interfaces, while Angular is a full-fledged framework for web development.
• React is a library, while Angular is a framework

• React uses a virtual DOM, while Angular uses a real DOM

• React is more lightweight and flexible, while Angular has more built-in features and tools

• React uses JSX for templating, while Angular uses HTML templates

• React is maintained by Facebook, while Angu
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Q1. Tell me about your self
Ans. 
Experienced sales executive with a proven track record of exceeding targets and building strong client relationships.
• Over 5 years of sales experience in the technology industry

• Consistently met or exceeded sales targets by 20% each quarter

• Built and maintained relationships with key clients such as ABC Company and XYZ Corporation
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Q2. Last experience
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Q3. Why should we hire you
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I have a proven track record of exceeding sales targets and building strong relationships with clients.
• I have consistently exceeded sales targets in my previous roles

• I have a strong ability to build and maintain relationships with clients

• I am highly motivated and results-driven

• I have excellent communication and negotiation skills

• I am a team player and can collaborate effectively with colleagues
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Q4. Channel knowledge
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Q1. Plastic injection molding department
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Q1. Injection molding department
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Q2. Yes injection molding Automotive part
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Q1. How you solve palindrome Reverse an string
Ans. 
To solve a palindrome, compare the string with its reverse. To reverse a string, iterate through it in reverse order.
• Iterate through the string in reverse order to create the reversed string.

• Compare the original string with the reversed string to check if it is a palindrome.

• Handle cases where the input string is empty or null.
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Q2. Revers a string
Ans. 
Reverse a string
• Use a loop to iterate through the characters of the string

• Swap the characters from start to end to reverse the string

• Return the reversed string
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Q3. Multiple jagged array how to iterate
Ans. 
Use nested loops to iterate through each array and each element in a jagged array of strings.
• Use a nested loop to iterate through each array in the jagged array

• Within the nested loop, iterate through each element in the current array

• Access each element using the indices of the arrays
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Q4. What is static value
Ans. 
Static value is a value that remains constant and does not change.
• Static value does not vary or fluctuate.

• It remains the same regardless of external factors.

• Examples include mathematical constants like pi (π) or physical constants like the speed of light.
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Q5. How to use debugging
Ans. 
Debugging is the process of identifying and fixing errors in code to ensure it runs smoothly.
• Use print statements to track the flow of the program and identify where the error occurs

• Utilize debugging tools like breakpoints to pause the program at specific points and inspect variables

• Step through the code line by line to understand the execution flow and pinpoint the issue

• Check for syntax errors, logical errors, and run
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Q1. Introduce yourself?
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Q2. What is 5s?
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Q3. What's OEE?
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Q4. What's TPM?
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Q5. Formula of ferric hydroxide?
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