India Glycols Mechanical Maintenance Engineer Interview Questions and Answers

Q1. Do you know the principle of dcs ? How it works?
Ans. 
DCS (Distributed Control System) manages complex processes through decentralized control and monitoring.
• DCS consists of multiple controllers distributed throughout the system, allowing for localized control.

• It enhances reliability by reducing the risk of a single point of failure.

• DCS systems often include a Human-Machine Interface (HMI) for operators to monitor and control processes.

• Example: In a chemical plant, DCS ca...read more
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Q2. What do you do in your previous company? This is a frequently asked question.
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Q1. Which pipe line used in Huzardous chemicals?
Ans. 
Stainless steel pipelines are commonly used for transporting hazardous chemicals due to their corrosion resistance and durability.
• Stainless steel pipelines are preferred for their resistance to corrosion from hazardous chemicals.

• PVC pipelines are not suitable for hazardous chemicals as they can degrade and leak.

• Carbon steel pipelines can be used for some hazardous chemicals, but may require additional coatings or linin...read more
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Q2. How to calculate the steam of boiler?
Ans. 
To calculate the steam of a boiler, you need to know the boiler's efficiency, steam flow rate, and specific enthalpy of steam.
• Calculate the energy input by multiplying the mass flow rate of steam by the specific enthalpy of steam.

• Determine the energy output by dividing the energy input by the boiler's efficiency.

• The steam flow rate can be measured using a flow meter, and the specific enthalpy of steam can be obtained f...read more
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Q3. Draw the module of coal fired hot air generator
Ans. 
The module of a coal fired hot air generator typically includes a combustion chamber, heat exchanger, fan, and exhaust system.
• Combustion chamber where coal is burned to produce heat

• Heat exchanger to transfer heat from combustion gases to the air

• Fan to circulate the heated air

• Exhaust system to remove combustion byproducts
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Q1. Why do you want to change the company?
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Q2. Are you ready to relocate?
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Introduction & Personal questions

Q1. Process regarding & cross question
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Q2. HTO & MTO question
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Q1. Package & work responsibility
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Q2. Others
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Q1. Basics of instrumentation, control system, field instrumentation, job role
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Q1. Overall plant proceess, job role, manpower handling and budget
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Q1. Family background and reason for chamge
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Q1. Transformers questions
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Q2. Power generation and distribution Questions
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Q1. Transformers questions
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Q2. Power generation and distribution Questions
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