Haier Appliances India Design Engineer Interview Questions and Answers

Q1. All questions are related to the fieldwork.
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Q1. Discuss about the previous company and their working projects, CTC and working cultures etc.
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Q1. How to protect electrical panel in one words
Ans. 
Insulation
• Insulate the panel

• Use protective covers

• Ensure proper grounding

• Regular maintenance
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Q2. What is the process of ug cable laying and its creteria
Ans. 
UG cable laying process involves trenching, cable pulling, jointing, and testing.
• Trenching is done to create a path for the cable and ensure proper depth

• Cable pulling involves laying the cable in the trench and securing it with clamps

• Jointing is done to connect two cables together using connectors and insulators

• Testing is done to ensure the cable is properly installed and functioning

• Criteria for UG cable laying include...read more
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Coding round with medium complexity

Q1. Implementation of linkedlist
Ans. 
A linked list is a data structure where each element points to the next element in the sequence.
• Create a Node class with data and a reference to the next Node

• Initialize a LinkedList class with a head Node

• Implement methods to add, remove, search, and traverse the linked list
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Q2. Sorting algoritgms
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Q1. General expectations
Ans. 
General expectations for a Senior Engineer include leadership, technical expertise, and effective communication skills.
• Demonstrate leadership by mentoring junior engineers and leading project teams.

• Showcase technical expertise through successful project completions, like optimizing a system for better performance.

• Communicate effectively with stakeholders, ensuring project requirements are understood and met.

• Adapt to ne...read more
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Q2. Role clarity discussion
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It was 1 coding question with 10 test cases. They asked a question based on binary search. I got 3 hrs to clear that test. I went in as a campus fresher. For lateral joinees, it is a much more difficult question that you have to clear in 4hrs.

Q1. What's the best way to find majority element in an array?
Ans. 
The best way to find the majority element in an array is by using the Boyer-Moore Voting Algorithm.
• Initialize a candidate variable and a count variable.

• Iterate through the array and for each element:

• - If the count is 0, set the current element as the candidate.

• - If the current element is the same as the candidate, increment the count.

• - Otherwise, decrement the count.

• After the iteration, the candidate will be the ...read more
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Q2. Reverse a linked list in K groups.
Ans. 
Reverse a linked list in K groups
• Iterate through the linked list in groups of size K

• Reverse each group of nodes using a temporary pointer

• Connect the reversed groups to form the final reversed linked list
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1. Revere Linked List
2. Maximum water in a container

Q1. 1. ArrayList 2. Types of locaters in Appium 3. D/b UI automator1 and ui Automator 2?
Ans. 
ArrayList is a resizable array implementation in Java. Appium locators include ID, name, class name, xpath, etc. UI Automator 1 and 2 are tools for testing Android apps.
• ArrayList is a dynamic array that can grow or shrink in size. Example: ArrayList<String> list = new ArrayList<>();

• Appium locators include ID, name, class name, xpath, etc. Example: driver.findElement(By.id("elementID"));

• UI Automator 1 is a t...read more
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1. What is same for you and even for PM of US?

C coding questions on bitwise concepts
DSA coding concepts

Q1. What I have fone in previous organization
Ans. 
In my previous organization, I led engineering projects, optimized processes, and mentored junior engineers to enhance team performance.
• Led a team of engineers in developing a scalable web application, resulting in a 30% increase in user engagement.

• Implemented CI/CD pipelines that reduced deployment time by 50%, improving overall productivity.

• Mentored junior engineers, providing guidance on best practices and code revi...read more
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Q2. About work and projects
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Q1. Excel sheet cell determining logic
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Q2. Calculate the number of complete squares inscribed in a circle
Ans. 
The number of complete squares inscribed in a circle can be calculated using a formula based on the number of sides of the square.
• The formula to calculate the number of complete squares inscribed in a circle is n*(n+1)*(2n+1)/6, where n is the number of sides of the square.

• For example, if the circle has a square with 4 sides inscribed in it, the number of complete squares would be 30 (4*(4+1)*(2*4+1)/6 = 30).
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Q1. What are my expectations from company
Ans. 
Expect a collaborative environment, opportunities for growth, and a commitment to innovation and employee well-being.
• Collaborative Work Culture: You'll work with cross-functional teams to solve complex problems, like developing a new product feature.

• Career Development: The company offers mentorship programs and training workshops to help you advance your skills, such as coding bootcamps.

• Innovation Focus: Expect to be p...read more
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Q2. Why am I leaving previous organisation
Ans. 
Seeking new challenges and growth opportunities in a different environment.
• Desire for new challenges and growth

• Opportunity for career advancement

• Seeking a change in work environment

• Exploring new technologies or industries
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