Sadhana Nitro Chem Maintenance Engineer Interview Questions and Answers

Q1. What is your qualification
Ans. 
Bachelor's degree in Mechanical Engineering
• Bachelor's degree in Mechanical Engineering from XYZ University

• Specialized in maintenance and reliability engineering

• Completed internships at ABC Company and DEF Company
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Q1. Self introduction
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Q2. Basic questions
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Q1. More technical , and related to oil and gas
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Q1. Related to job and development
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Daily machinery preventive services

Q1. Machine reading is regularly
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Q2. Machine start initial reading and finishing reading taken
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Working process already mind thinking

Q1. Heat exchanger reduce the heat
Ans. 
Heat exchangers reduce heat by transferring thermal energy between two or more fluids.
• Heat exchangers are devices used to transfer thermal energy between fluids.

• They are commonly used in HVAC systems, power plants, and industrial processes.

• Heat exchangers can be classified into different types such as shell and tube, plate, and finned.

• They work based on the principle of heat transfer through conduction, convection, or ...read more
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Q1. Heat exchanger reduce the heat what fundamental
Ans. 
Heat exchangers reduce heat through fundamental principles of heat transfer.
• Heat exchangers work based on the principles of conduction, convection, and radiation.

• Conduction involves the transfer of heat through direct contact between materials.

• Convection involves the transfer of heat through the movement of fluids or gases.

• Radiation involves the transfer of heat through electromagnetic waves.

• Heat exchangers use these p...read more
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Q1. All works will prepare
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Q1. Generic questions about CV
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Q2. Skill specific correlations
Ans. 
Skill specific correlations refer to the relationship between different skills and how they impact each other.
• Identifying skill correlations can help in designing effective training programs.

• For example, communication skills may be correlated with leadership skills.

• Analytical skills may be correlated with problem-solving skills.

• Understanding skill correlations can also help in career planning and development.

• For instan...read more
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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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