Lava International Lead Engineer Interview Questions and Answers

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
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Q2. Role clarity discussion
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C coding questions on bitwise concepts
DSA coding concepts

Q1. What I have fone in previous organization
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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
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Q2. Why am I leaving previous organisation
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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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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 list = new ArrayList<>();

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

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

Normal aptitude test along with a section of technical aptitude

Discussion in batches of 8 people on common topics

Q1. Interview with VP
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Q2. Going through resume BTech Project questions Aspirations Why HVAC
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Q1. Why HVAC Trick questions
Ans. 
HVAC offers a challenging and rewarding career with opportunities for innovation and problem-solving.
• HVAC allows me to work with complex systems and technologies.

• I enjoy the problem-solving aspect of HVAC engineering.

• HVAC offers a diverse range of projects and industries to work in.

• I find satisfaction in creating comfortable and efficient indoor environments.

• HVAC is a field that constantly evolves, providing opportunit
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Q1. Discuss about last job role
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Q2. Ask about product and market
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Q1. General discussion and last job role
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Q2. Background and contacts
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Q1. How are you fit for this role
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Q2. Technical knowledge about product
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Q1. Salary discussion and joining details
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Q2. Documents for joining
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Q1. Tell me about your self?
Ans. 
I am a highly experienced Senior Engineer with a strong background in software development and project management.
• Over 10 years of experience in software development

• Proficient in multiple programming languages such as Java, C++, and Python

• Led successful projects from conception to completion, ensuring on-time delivery and high-quality results

• Strong problem-solving and analytical skills

• Excellent communication and teamwo...read more
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Q2. Refrigeration cycle?
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The refrigeration cycle is a thermodynamic process used in refrigerators and air conditioners to transfer heat from a cooler environment to a warmer one.
• The cycle consists of four main components: compressor, condenser, expansion valve, and evaporator.

• The refrigerant is compressed by the compressor, which raises its temperature and pressure.

• The high-pressure refrigerant then flows to the condenser, where it releases he...read more
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