Himadri Speciality Chemical Junior its Engineer Interview Questions and Answers

Checked common sense by testing PnC skills and english.

Group discussion about working together with multiple people.

Q1. What is MTTR - MTBF
Ans. 
MTTR stands for Mean Time To Repair and MTBF stands for Mean Time Between Failures.
• MTTR is the average time taken to repair a failed component or system.

• MTBF is the average time between failures of a component or system.

• MTTR is usually measured in hours or days, while MTBF is also measured in hours or days.

• MTTR is an important metric in maintenance and repair operations, while MTBF is used to assess the reliability of ...read more
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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. Does pump have compression test? Yes
Ans. 
Yes, pump has compression test.
• Compression test is performed on pumps to check the efficiency of the pump.

• It measures the pressure generated by the pump against a closed valve.

• It helps in identifying any leaks or blockages in the pump.

• Compression test is commonly performed on centrifugal pumps.

• It is an important part of pump maintenance and troubleshooting.
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Q2. What is the highest power does pump flow? Between 500_ 780 watts .hp less than 1hp.
Ans. 
The highest power of pump flow is less than 1 horsepower, between 500-780 watts.
• The pump flow power ranges between 500-780 watts

• The power is less than 1 horsepower

• Examples of pumps with this power range include submersible pumps and centrifugal pumps
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Normal science test including math and reasoning

Q1. Different type of valve and their uses
Ans. 
Different types of valves include ball valves, gate valves, globe valves, and check valves, each with specific uses in controlling flow.
• Ball valves: used for on/off control without pressure drop

• Gate valves: used for full flow or no flow applications

• Globe valves: used for regulating flow in pipelines

• Check valves: used to prevent backflow in piping systems
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Q2. Body temperature
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Simple aptitude and domain quetions

Q1. Introduce yourself
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Q2. What are your strength
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Q3. What are your weaknesses
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Q4. Why should i hire you
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Q5. What do you want to work at our company
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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?
Ans. 
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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