Chemcrux Enterprises Interview Questions and Answers

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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Questions related to reasoning, logical,english

Q1. About my vocational training
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Q2. What do you know about scm
Ans. 
SCM involves the management of the flow of goods and services from the point of origin to the point of consumption.
• SCM includes planning, sourcing, manufacturing, and delivering products to customers.

• It focuses on optimizing processes to maximize efficiency and minimize costs.

• Examples of SCM tools include inventory management systems, transportation management software, and demand forecasting tools.
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Q3. Related to electricalcore
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Q1. Tell me about yourself
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I am a supply chain professional with 5 years of experience in logistics, procurement, and inventory management.
• I have a Bachelor's degree in Supply Chain Management from XYZ University.

• I have worked for ABC Company as a logistics coordinator, where I successfully reduced transportation costs by 10% through route optimization.

• I am proficient in using supply chain management software such as SAP and Oracle.

• I have strong...read more
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Q2. Intrest in this role
Ans. 
I am passionate about optimizing processes, improving efficiency, and collaborating with cross-functional teams.
• I have a strong background in supply chain management and enjoy finding innovative solutions to complex problems.

• I thrive in fast-paced environments and am motivated by the opportunity to make a tangible impact on the organization.

• I am excited about the prospect of working with a dynamic team to drive continu...read more
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Q1. Last job profile
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Q1. Market related and channel handling
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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
Ans. 
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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Q1. MASS FLOWMETER CALIBRATION
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Q2. DP TYPE LT working and configuration
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DP type LT stands for Differential Pressure type Level Transmitter used for measuring level in tanks or vessels.
• DP type LT measures level by detecting the pressure difference between two points in a vessel.

• It consists of two pressure sensors connected to the top and bottom of the tank.

• The configuration involves setting the zero and span points to calibrate the transmitter.

• Commonly used in industries like oil & gas, che...read more
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Q3. Installation of DPT IN STEAM LINE
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Installation of DPT in steam line involves proper mounting, calibration, and protection against high temperatures.
• Ensure proper mounting of the differential pressure transmitter (DPT) in the steam line to accurately measure pressure difference.

• Calibrate the DPT regularly to maintain accuracy in steam pressure readings.

• Use heat-resistant materials and insulation to protect the DPT from high temperatures in the steam lin...read more
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Q1. Family background
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Q2. Salary discussion
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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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