Chemcrux Enterprises Interview Questions and Answers

Q1. Share the work experience of previous companies
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Q2. Manager ask about how to achieve company targets
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Q3. Salary negotiations¬ice period
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Q1. Where you worked before sallary expectations and all
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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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Tricky questions from js, sql, c#

Q1. Uses of B Tree
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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
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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
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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?
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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?
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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 ?
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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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Q1. About kilns pregeater elevator and belt conveyors
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Q2. Slope percentage calculation of kiln Tan value in oil analysys Material and man power handling
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The question covers slope percentage calculation of kiln, tan value in oil analysis, and material and manpower handling.
• For slope percentage calculation of kiln, we need to measure the height and length of the kiln and use the formula tan(theta) = height/length.

• Tan value in oil analysis is used to determine the acidity of the oil. It is calculated by dividing the acid number by the saponification number.

• Material and ma...read more
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Q1. How much Experience
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I have 10 years of experience in software engineering, specializing in backend development and system architecture.
• 10 years of experience in software engineering

• Specialize in backend development and system architecture

• Worked on projects involving scalability and performance optimization
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Q2. Do you have any supervisor license
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No, I do not have a supervisor license.
• I do not possess a supervisor license at the moment.

• I have not pursued obtaining a supervisor license in my career.

• My focus has been on technical expertise rather than supervisory roles.
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Q1. How to test of motors
Ans. 
Testing of motors involves various methods to ensure functionality and performance.
• Performing insulation resistance tests to check for any electrical faults

• Conducting load tests to measure the motor's performance under different conditions

• Checking for abnormal noise or vibrations during operation

• Inspecting the motor for any physical damage or wear

• Using thermography to detect overheating issues
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Q2. What is transformer safety relay's
Ans. 
Transformer safety relays are devices used to protect transformers from faults and overloads.
• Transformer safety relays monitor the electrical parameters of a transformer, such as current, voltage, and temperature.

• They can trip the transformer offline in case of a fault to prevent damage.

• Some common types of transformer safety relays include overcurrent relays, differential relays, and temperature relays.
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