Jubilant Industries QC Executive Interview Questions and Answers

Basic knowledge of physics and chemistry

Q1. What is boiling and melting point in exact word?
Ans. 
Boiling point is the temperature at which a liquid turns into a gas, while melting point is the temperature at which a solid turns into a liquid.
• Boiling point is dependent on atmospheric pressure.

• Melting point is dependent on the substance's intermolecular forces.

• Water boils at 100°C and melts at 0°C at standard pressure.

• Different substances have different boiling and melting points.

• Boiling and melting points can be us
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Q2. What the range of uv visible region and ultra voilet region?
Ans. 
The UV-visible region ranges from 200-800 nm while the UV region ranges from 10-200 nm.
• UV-visible region is the range of electromagnetic radiation that is visible to the human eye and includes wavelengths from 200-800 nm.

• The UV region is the range of electromagnetic radiation with shorter wavelengths than visible light and includes wavelengths from 10-200 nm.

• UV radiation is commonly used in analytical chemistry for spe...read more
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Q1. Which subjects studying in MSc course?
Ans. 
The subjects studied in MSc course depend on the specialization chosen by the student.
• The MSc course offers various specializations such as organic chemistry, inorganic chemistry, physical chemistry, analytical chemistry, etc.

• The curriculum includes both theoretical and practical aspects of the chosen specialization.

• Some common subjects include spectroscopy, quantum mechanics, thermodynamics, kinetics, etc.

• Students may...read more
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Q2. Basic knowledge of these course
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Q1. About family background and salary
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Q1. Current CTC, ready to relocate
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Q1. Detail about field work and family members
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Q1. Technical issue
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Q1. Technical issue
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Q1. Salary discussion
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Q1. What are your skills as a fresher?
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Q2. Technical aspect of Direct Taxation
Ans. 
Direct taxation refers to the process of imposing taxes on individuals and businesses directly by the government.
• Direct taxation includes taxes such as income tax, corporate tax, and capital gains tax.

• It is based on the ability to pay principle, where individuals and businesses are taxed according to their income or profits.

• Direct taxes are usually progressive in nature, meaning that the tax rate increases as income or...read more
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Q3. Latest update and relevance in Bodal Chemicals
Ans. 
The latest update in Bodal Chemicals is the acquisition of a new manufacturing plant in Gujarat.
• Bodal Chemicals recently acquired a new manufacturing plant in Gujarat to expand their production capacity.

• The acquisition is expected to enhance Bodal Chemicals' presence in the market and increase their competitiveness.

• This strategic move aligns with Bodal Chemicals' growth strategy and vision for the future.
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Q4. Future plans and growth prospects as individual
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Q1. Introduce yourself in brief ?
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Q2. Explain boiler, types of heat transfer, etc ?
Ans. 
Boiler is a closed vessel in which water is heated to produce steam. Types of heat transfer include conduction, convection, and radiation.
• Boiler is a closed vessel that uses heat from combustion or electricity to generate steam.

• Types of heat transfer in boilers include conduction (direct contact), convection (fluid movement), and radiation (electromagnetic waves).

• Examples of boilers include fire-tube boilers, water-tub
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Tricky questions from js, sql, c#

Q1. Uses of B Tree
Ans. 
B Trees are used for indexing in databases and file systems.
• Used for efficient searching, insertion, and deletion operations in databases.

• Helps in maintaining sorted data for quick retrieval.

• Commonly used in file systems to store large amounts of data efficiently.

• Each node in a B Tree can have multiple children, reducing the height of the tree.
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Q2. What is CTE in sql
Ans. 
CTE stands for Common Table Expression in SQL, used to create temporary result sets that can be referenced within a SELECT, INSERT, UPDATE, or DELETE statement.
• CTEs improve readability and maintainability of complex queries

• CTEs can be recursive, allowing for hierarchical data querying

• CTEs are defined using the WITH keyword followed by the CTE name and query
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Q1. Program to reverse a linked list
Ans. 
Reverse a linked list by changing the next pointers of each node to point to the previous node.
• Start with three pointers: current, prev, and next.

• Iterate through the linked list, updating the next pointers to point to the previous node.

• Update prev, current, and next pointers in each iteration until the end of the list is reached.
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Q2. Puzzles from geeksforgeeks
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Q1. General HR questions like difficulties, strength weakness etc.
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Q1. What is your current role?
Ans. 
I am currently working as a Business Analyst at a technology company.
• Analyzing business processes and requirements

• Creating reports and dashboards for stakeholders

• Collaborating with cross-functional teams to gather and analyze data
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Q2. About basic finance
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Q1. What is hedge fund?
Ans. 
A hedge fund is an investment fund that pools capital from accredited individuals or institutional investors and invests in a variety of assets.
• Hedge funds are typically only available to accredited investors due to their complex and risky nature.

• They often use leverage and derivatives to amplify returns.

• Hedge funds charge both a management fee and a performance fee based on the fund's profits.

• They can invest in a wide...read more
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Q2. What are derivatives ?
Ans. 
Derivatives are financial instruments whose value is derived from an underlying asset or group of assets.
• Derivatives can be used for hedging, speculation, or arbitrage.

• Common types of derivatives include options, futures, forwards, and swaps.

• Derivatives allow investors to take positions on the price movements of assets without owning the assets themselves.

• They are often used to manage risk in financial markets.

• Derivati...read more
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Q1. Why do you wan to change?
Ans. 
Seeking new challenges and opportunities for growth.
• Desire for professional growth and development

• Interest in exploring new industries or sectors

• Seeking a more collaborative work environment

• Opportunity to work on more impactful projects

• Desire for better work-life balance
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Q2. Salary discussion
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Only DSa and aptitude was asked

MCQ round on OOPS (java) , JS, C#, SQL(dbms)

Q1. Two DSA questions , Happy Number (leetcode Q.202) , First Unique character in String (leetcode Q.387)
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Q2. Polymorphism, Function Overloading & Overriding (code), Constructor, Access Specifier
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Q3. Project (about nextjs, diff. b/w next & react, advantage of nextjs, SPA, some discussion about tailwind, miui (library), js)
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Q4. DBMS query of second highest employee , find employeeid of manager whose employee name is 'something' (based on self join & only one table)
Ans. 
Use self join in a DBMS query to find the employeeid of the manager whose employee name is 'something'.
• Use a self join on the table to compare employee and manager names

• Order the results by employeeid in descending order to get the second highest employee

• Select the manager's employeeid where the employee name is 'something'
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