Nirma Chemical Engineer Interview Questions and Answers

Q1. About the operation of Boiler
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Q2. About the operation of turbines
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Q3. About plant efficiency
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Q1. Salory structure
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Q2. Family background
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Q1. Tell me about yourself
Ans. 
I am a Senior Engineer with 10+ years of experience in software development, specializing in backend systems and cloud technologies.
• 10+ years of experience in software development

• Specialize in backend systems and cloud technologies

• Strong problem-solving skills

• Experience with large-scale projects

• Proficient in multiple programming languages
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Q2. Technical background and experience
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How to handle emergency.

Q1. Boiler light up sop
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Q2. Turbine rolling procedure
Ans. 
Turbine rolling procedure involves carefully starting and stopping the turbine to prevent damage.
• Ensure proper lubrication of bearings before starting the turbine.

• Gradually increase the speed of the turbine to prevent sudden stress on the components.

• Monitor temperature and vibration levels during the rolling procedure.

• Follow manufacturer's guidelines for specific turbine rolling procedures.

• Perform regular maintenance c
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Q1. What is the method for calculating the fault current of a VCB breaker?
Ans. 
Calculating fault current for a VCB involves system parameters, fault impedance, and breaker ratings.
• Identify the system voltage and configuration (e.g., three-phase, single-phase).

• Determine the source impedance (Zs) and load impedance (Zl).

• Calculate the fault impedance (Zf), which may be negligible in short-circuit conditions.

• Use the formula: Fault Current (If) = Voltage (V) / Total Impedance (Zs + Zl + Zf).

• Example: F...read more
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Q2. What type of breaker do you prefer for high voltage (HV) and low tension (LT) sides along with protection features?
Ans. 
For HV, I prefer SF6 circuit breakers; for LT, MCBs or MCCBs are ideal, each with specific protection features.
• HV Side: SF6 Circuit Breakers - Excellent insulation and arc-extinguishing properties.

• LT Side: MCBs - Protect against overload and short circuits, ideal for residential applications.

• LT Side: MCCBs - Provide adjustable settings for overload protection, suitable for industrial use.

• Protection Features: Earth Faul...read more
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Q3. How do you manage voltage optimization?
Ans. 
Voltage optimization involves adjusting voltage levels to improve efficiency and reduce energy consumption in electrical systems.
• Conduct a voltage audit to identify areas of over-voltage.

• Implement voltage regulation devices like transformers or capacitors.

• Use smart grid technology for real-time voltage monitoring.

• Example: Installing a voltage optimizer can reduce energy costs by 10-15%.

• Regular maintenance and monitorin
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Q1. What is your strength and weaknesd
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Q2. What was ur biggest achievement
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Q1. What is ur current CTC
Ans. 
My current CTC is $80,000 per year.
• My current CTC is $80,000 per year

• I am currently earning $80,000 annually

• My current salary package is $80,000 per annum
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Online aptitude test

Online coding test for 2 question in NLTH.

Q1. Technical interview once you qualify NLTH Round-1
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Q1. HR interview after clearing NLTH Round-2
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