At Home Interview Questions and Answers

Basic question of c and c++ and basic aptitude questions on work , time, age

Q1. Asked question about joins in SQL
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Q2. And question in C++ like what is pure virtual function and why is friend function used
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Q1. ASME codes & standard
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Q1. Design software about Pv elite
Ans. 
Pv elite is a software used for designing pressure vessels and heat exchangers.
• Pv elite is commonly used in the oil and gas industry for designing pressure vessels.

• The software allows engineers to analyze and design pressure vessels according to various international codes and standards.

• Pv elite includes features for designing heat exchangers, towers, and horizontal vessels as well.

• Engineers can input design parameters...read more
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Analytical, Reasoning

Q1. Basics of cutting tools with HOD
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Q2. CTC discussion with HR
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Q1. What is mutual fund
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A mutual fund is a type of investment vehicle consisting of a portfolio of stocks, bonds, or other securities, managed by a professional fund manager.
• Mutual funds pool money from multiple investors to invest in a diversified portfolio of securities.

• Investors buy shares in the mutual fund, which represent their ownership in the fund's holdings.

• Mutual funds are managed by professional fund managers who make investment de...read more
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Q2. What is cob
Ans. 
Cob is a building material made from natural fibers, typically used for insulation.
• Cob is a mixture of clay, sand, straw, and water.

• It is often used to build walls, floors, and even ovens.

• Cob structures are known for their durability and energy efficiency.
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Q1. What is mutual fund
Ans. 
Mutual funds are investment vehicles that pool money from multiple investors to invest in a diversified portfolio of securities.
• Mutual funds are managed by professional fund managers who make investment decisions on behalf of the investors.

• Investors can buy units of mutual funds, which represent a portion of the holdings of the fund.

• Mutual funds offer diversification, liquidity, and professional management to investors...read more
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Q2. What is cob
Ans. 
Cob is a building material made from natural materials like straw and clay.
• Cob is a traditional building material used for constructing walls, floors, and roofs.

• It is made by mixing clay-rich soil with straw and water to create a thick, malleable mixture.

• The mixture is then shaped into blocks or walls by hand and left to dry in the sun.

• Cob structures are known for their durability, thermal mass properties, and sustaina...read more
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Q1. Find the pair that sum equal to given number
Ans. 
Find two numbers in an array that add up to a specified target sum.
• Use a hash map to store numbers and their indices for quick lookup.

• Iterate through the array and check if target - current number exists in the map.

• Example: For array [2, 7, 11, 15] and target 9, return (2, 7).

• Time complexity is O(n) due to single pass through the array.
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Q2. Sort a linked list
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Sort a linked list using various algorithms like Merge Sort or Quick Sort for efficient performance.
• Use Merge Sort for linked lists as it has O(n log n) time complexity and is stable.

• Iterate through the list and split it into two halves recursively until base cases are reached.

• Merge the sorted halves back together by comparing node values.

• Example: For the list 4 -> 2 -> 1 -> 3, the sorted output will be 1 ->
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