Technofab Engineering Interview Questions and Answers

Q1. What is three elements control system? Draw three elements control logic.
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Q2. Turbine protection and interlock.
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Q3. Boiler protection and interlock.
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Q4. What is control system?
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Q5. Calibration of smart positioner
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Q6. Using of HART communicator
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Q7. D.C.S system, DCS topology
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Q8. Question about PLC system, and its major element.
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Q9. Plant water cycle, flue gas cycle, and steam cycle.
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Q10. PLC programming, logic modification.
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Q11. What is TSI system, explain all TSI tripping parameters.
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Q12. What is O2 Analyzer, calibration process of O2 Analyzer, troubleshooting of O2 Analyzer
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Q13. What is dust opacity Analyzer, calibration process of SMP
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Q14. What is Density, density meter working principle, and its calibration process.
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Q15. What is flow , types of flow , flow measurement techniques, types of flow meter, and its calibration
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Q16. Level measurement, types of level measurement techniques,
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Q1. About privious company, slary, accommodation, and salary growth.
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Q2. Salary expectation.
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"I applied via campus placement First round was an aptitude containing quant,english, logical reasoning and data interpretation (60 mins ,60 questions) plus technical round (30 mins,30 questions) conducted via Aon platform. Aptitude was easy but was a bit lengthy. Technical test was also moderate and covered all topics from mechanical core. After the written test there was a resume shortlisting for people who cleared round one.Prepare ur resume according to the role ur applying. From around 87 members 27 were shortlisted for GD round. ."

They divided us into 4 groups and group discussion went on for around 20 mins my topic was (Are ev vehicle's an efficient solution for pollution). In gd round listen to the topic carefully. Don't hesitate to put ur thoughts first donot interfere while other is speaking listen to them and put ur thoughts in a politeful way , mostly stick to the topic. After 20 mins the recruiters asked me to summarise the topic and i gave a brief summary keeping everyone's and my thoughts in mind. After GD 9 members were selected for the interview.Gd and interview happened on the same day.

Q1. Job recruitment questions
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Q1. Job recruitment questions
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Q1. Job recruitment questions
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Q1. Clouds are just water vapor, so why do they move?
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Clouds move due to the combination of wind, temperature, and pressure differences in the atmosphere.
• Clouds are carried along by the wind in the atmosphere.

• Temperature differences cause air to rise or sink, affecting cloud movement.

• Pressure variations also play a role in cloud motion.

• For example, warm air rising from the ground can create cumulus clouds that move with the wind.
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Q2. What keeps space empty?
Ans. 
Space is empty due to the extremely low density of matter and the vast distances between objects.
• Space is mostly empty because of the low density of matter in the universe.

• The vast distances between celestial bodies also contribute to the emptiness of space.

• Even though space is not completely empty and contains various particles and radiation, it is considered a vacuum due to the low density of matter.
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Q3. Why don't the gases in the atmosphere separate out according to mass
Ans. 
Gases in the atmosphere do not separate out according to mass due to the constant mixing caused by wind and turbulence.
• Constant mixing caused by wind and turbulence prevents gases from separating based on mass

• Gravity also plays a role in keeping gases well-mixed in the atmosphere

• Different gases have different molecular weights but are still evenly distributed in the atmosphere
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Q1. Where does the atmosphere end? Where is the edge of space?
Ans. 
The atmosphere gradually thins out as altitude increases, eventually merging into outer space.
• The atmosphere is composed of several layers, with the exosphere being the outermost layer before transitioning into space.

• The Kármán line, located at an altitude of 100 km (62 miles) above sea level, is often considered the boundary between Earth's atmosphere and outer space.

• Beyond the Kármán line, the atmosphere becomes extr...read more
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Q2. Why does the air only contain water vapor and not other kinds of vapors?
Ans. 
Air mainly contains water vapor due to the evaporation of water bodies, plants, and human activities.
• Water vapor is the most abundant gas in the atmosphere due to evaporation from oceans, lakes, rivers, and plants.

• Other vapors like alcohol, gasoline, or perfume are present in the air but in much lower concentrations compared to water vapor.

• Water vapor is constantly being added to the air through processes like transpir...read more
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Normal aptitude test containing behavioural, mathematical, English questions

Oopc, dbms, sql, se concepts were there with few os, dsa and got related questions

Q1. Go through your resume and question about project backend functionality
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Q2. Code asked for backend application developed by me which was there in resume
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Q1. Behavioural questions were asked
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Q1. Pls take my interview
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Q2. Consider my resume
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Q1. Pls take my resume
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Q2. Pls consider my resume
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Q1. Any types& Pipeline Engineering
Ans. 
Pipeline engineering involves designing, constructing, and maintaining pipelines for various industries such as oil and gas, water, and transportation.
• Designing pipelines to transport fluids or gases efficiently

• Constructing pipelines using materials like steel, plastic, or composite materials

• Maintaining pipelines to prevent leaks and ensure safety

• Types of pipelines include transmission pipelines, distribution pipelines
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Q2. NDT related & quality related
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Q3. Pipeline field CGD and cross country related
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Q1. Pls take my resume
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Q2. Pls consider my resume
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