Deepak Fertilisers and Petrochemicals Rotary Engineer Interview Questions and Answers

Q1. Share details of your previous job.
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Q2. What are your strengths and weaknesses?
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Q3. Tell me about yourself.
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Q1. What is your family background?
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Q2. Why should we hire you?
Ans. 
I have a strong track record of successfully leading engineering teams and delivering complex projects on time and within budget.
• Proven leadership skills in managing engineering teams

• Extensive experience in project management and delivering results

• Strong technical expertise and problem-solving abilities

• Excellent communication and interpersonal skills

• Ability to adapt to changing priorities and work under pressure

• Track r...read more
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Q3. What are your strengths and weaknesses?
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My strengths include strong problem-solving skills, leadership abilities, and attention to detail. My weaknesses include a tendency to be overly critical of my own work and a desire for perfection.
• Strength: Strong problem-solving skills - I have a knack for analyzing complex problems and finding innovative solutions.

• Strength: Leadership abilities - I have successfully led teams and projects, effectively delegating task...read more
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Q4. Tell me about yourself.
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Q1. 1) What is chemical engineer ? Can u jusitfy? 2) what is pump ? Can u explain the characteristics curves? 3) what is TR ? Are u able to design the colling tower.
Ans. 
Answers to questions related to chemical engineering and cooling tower design.
• Chemical engineering involves the application of chemistry, physics, and mathematics to design and operate chemical processes.

• A pump is a mechanical device used to move fluids from one place to another. The characteristics curves show the relationship between flow rate, head, and power consumption.

• TR stands for ton of refrigeration and is a u...read more
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Q2. What is mcab- theile method are aware about this ?
Ans. 
The mcab-theile method is a technique used in electrical engineering for circuit analysis and design.
• It is used to convert a transfer function into a rational function

• It is commonly used in filter design

• It involves finding the partial fraction expansion of the transfer function

• It is named after its inventors, J. McAb and E. Theile
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Q3. What are the valve types ? And thier applications
Ans. 
Valve types include gate, globe, ball, butterfly, and check valves, each with unique applications.
• Gate valves are used for on/off control in pipelines

• Globe valves are used for regulating flow and pressure

• Ball valves are used for quick shut-off and control of flow

• Butterfly valves are used for low-pressure applications

• Check valves are used to prevent backflow
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Q4. What is the optimum reflux ratio ?
Ans. 
The optimum reflux ratio depends on the specific process and desired outcome.
• The optimum reflux ratio is the ratio of the amount of liquid refluxed to the amount of liquid that is vaporized in a distillation column.

• It is determined by the specific process and desired outcome, such as purity or yield.

• A higher reflux ratio generally leads to higher purity but lower yield, while a lower reflux ratio leads to higher yield ...read more
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Q5. What is material balance ? And wrote down the column material balance equation.
Ans. 
Material balance is a fundamental concept in chemical engineering that involves accounting for the flow of materials into and out of a system.
• Material balance is used to determine the amount of material present in a system at any given time.

• It involves tracking the flow of materials into and out of the system, as well as any chemical reactions that may occur.

• The material balance equation is typically written as: Accumu...read more
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Q6. 4 kg steam how many temperature will be achieved?
Ans. 
The temperature achieved by 4 kg steam depends on the pressure and initial temperature of the steam.
• The temperature achieved by 4 kg steam can be calculated using the steam tables.

• The pressure and initial temperature of the steam must be known to calculate the final temperature.

• The specific heat capacity of water and steam must also be taken into account.

• Assuming standard atmospheric pressure, 4 kg of steam at 100°C wi...read more
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Q7. What is shape clorine tonner in concave?
Ans. 
The question is unclear and does not make sense.
• The question needs to be rephrased or clarified.

• It is unclear what is meant by 'shape chlorine tonner in concave'.

• More information is needed to answer this question.
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Q8. What is the Boling point ? By mcabe-thiele?
Ans. 
The boiling point is the temperature at which a liquid turns into a gas.
• It is a characteristic property of a substance.

• It depends on the pressure of the surroundings.

• The McCabe-Thiele method is used to determine the boiling point of a mixture.

• Water boils at 100 degrees Celsius at standard atmospheric pressure.
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Q9. What is heat duty? And design the heat exchanger by Kern's method.
Ans. 
Heat duty is the amount of heat energy required to be transferred in a heat exchanger.
• Heat duty is calculated based on the temperature difference between the hot and cold fluids, and the flow rates of the fluids.

• Kern's method is a widely used method for designing heat exchangers.

• It involves calculating the overall heat transfer coefficient and the heat transfer area required for the given heat duty.

• The design process a...read more
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Q1. What is your current role in Organisation?
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Q2. Equipment you have worked with?
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Q3. Question on Reactors, Pumps, Compressor Static Tanks, Piping, Structure execution, WPS etc
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Q4. Question on safety procedure for site activities.
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Q5. Quality related questions for execution of piping structure and equipment erection
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Q1. What is your current profile?
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Q1. How many types of pump.
Ans. 
There are several types of pumps used in various industries and applications.
• Centrifugal pumps

• Reciprocating pumps

• Rotary pumps

• Diaphragm pumps

• Gear pumps

• Peristaltic pumps

• Jet pumps

• Submersible pumps

• Screw pumps

• Vane pumps
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Q2. How to handle a hazardous chemicals.
Ans. 
Handling hazardous chemicals requires proper training, protective equipment, and adherence to safety protocols.
• Obtain proper training on handling hazardous chemicals

• Wear appropriate personal protective equipment (PPE) such as gloves, goggles, and lab coats

• Follow safety protocols and guidelines provided by the chemical manufacturer

• Store hazardous chemicals in designated areas with proper labeling

• Dispose of hazardous was...read more
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Q1. Electronic basic
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Q1. Types of attributes
Ans. 
Attributes can be classified into two types: quantitative and qualitative.
• Quantitative attributes are numerical and can be measured, such as height or weight.

• Qualitative attributes are categorical and cannot be measured, such as color or type.

• Attributes can also be classified as discrete or continuous, depending on the type of data they represent.
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There is written exam that include reasoning aptitude and technical

Q1. In a second round there is a interview with the Hr and Technical team.
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Q2. About your self , academic status about results and placements with other companies and then technical questions and about your college final year project.
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