Prabha Industries Trainee Interview Questions and Answers

It was good but everyone can select. because gfl is counting all your rounds by mark.

Q1. What is the mode of heat transfer.
Ans. 
The mode of heat transfer refers to the way heat is transferred from one object to another.
• Conduction: Heat transfer through direct contact between particles (e.g. touching a hot pan)

• Convection: Heat transfer through the movement of fluids or gases (e.g. boiling water)

• Radiation: Heat transfer through electromagnetic waves (e.g. feeling the warmth of the sun)

• Examples: Cooking food on a stove (conduction), heating a room...read more
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Q2. What is the pump efficiency.
Ans. 
Pump efficiency is a measure of how well a pump converts input power into useful work output.
• Pump efficiency is calculated by dividing the pump's output power by its input power.

• Efficiency is usually expressed as a percentage, with higher percentages indicating better efficiency.

• Factors that can affect pump efficiency include design, operating conditions, and maintenance.

• For example, a pump with an efficiency of 80% wo...read more
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Box questions in which 4 boxes were given with numbers which need to be solved with the given arithmetic and in that particular steps for the requested number in the box

Q1. What is engineering?
Ans. 
Engineering is the application of scientific and mathematical principles to design and create structures, machines, systems, and processes.
• Engineering involves problem-solving and innovation.

• Engineers use their knowledge of math and science to design and build solutions to various challenges.

• There are many different branches of engineering, such as civil, mechanical, electrical, and chemical engineering.

• Examples of eng...read more
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Q1. Tell me about yourself?
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Logical reasoning, mental challenging questions

Fundamental mathematics questions and verbal questions.

Q1. What is your experience in previous company, why do you want to join us. How Asian paint operates , is Asian paint rising or declining?
Ans. 
I have experience in sales at XYZ Company and I am interested in joining Asian Paints due to its strong reputation and growth potential. Asian Paints operates through a network of dealers and distributors, and it is currently experiencing growth in the market.
• Experience in sales at XYZ Company

• Interested in joining Asian Paints for its reputation and growth potential

• Asian Paints operates through a network of dealers and...read more
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Q2. Can you tell me about yourself and your internship experience?
Ans. 
I am a recent graduate with internship experience in sales and marketing.
• Completed a sales internship at XYZ Company, where I learned about cold calling and client relationship management

• Assisted in developing marketing strategies to increase brand awareness and sales

• Utilized CRM software to track leads and follow up with potential clients
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Domain based questions and basic aptitude question

Q1. About distillation column, basic questions ,cooling tower concept.
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Q2. Difference between CSTR and PFR, Pumps ,Heat Exchanger.
Ans. 
CSTR and PFR are types of reactors, pumps are used to move fluids, heat exchangers transfer heat between fluids.
• CSTR (Continuous Stirred Tank Reactor) has a constant volume and operates under steady-state conditions.

• PFR (Plug Flow Reactor) has a varying volume and operates under unsteady-state conditions.

• Pumps are mechanical devices used to move fluids from one place to another, like centrifugal pumps or positive displ...read more
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Q3. What is cracking
Ans. 
Cracking is a process in which complex hydrocarbon molecules are broken down into simpler molecules.
• Cracking is a refining process used to convert large hydrocarbon molecules into smaller, more valuable ones.

• It is done by breaking the carbon-carbon bonds in the molecules.

• Examples include catalytic cracking and steam cracking.
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Q4. What is Reforming
Ans. 
Reforming is a process used in the petroleum industry to convert low-octane naphtha into high-octane gasoline.
• Reforming involves rearranging the molecular structure of hydrocarbons to increase their octane rating.

• It is typically done using a catalyst at high temperatures and pressures.

• The process can also produce hydrogen gas as a byproduct.

• Reforming is an important step in the production of gasoline and other fuels in...read more
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Q5. What is range and approach of cooling tower
Ans. 
The range of a cooling tower refers to the maximum distance at which it can effectively cool air, while the approach is the temperature difference between the cooled water and the entering air.
• Range of a cooling tower is typically around 5-20 degrees Fahrenheit

• Approach of a cooling tower is usually around 8-15 degrees Fahrenheit

• The range and approach of a cooling tower can vary based on factors such as design, size, an
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