Shree Cement Chemical Graduate Engineer Trainee Interview Questions and Answers

Q1. Details of P2O5 chemis
Ans. 
P2O5 is a chemical compound commonly used as a desiccant and dehydrating agent in various industries.
• P2O5 is also known as phosphorus pentoxide.

• It is a white, crystalline solid that is highly hygroscopic.

• P2O5 is commonly used in the production of phosphoric acid.

• It is also used as a drying agent in organic synthesis reactions.

• P2O5 reacts violently with water to form phosphoric acid.
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Q2. Asking all testing
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Q3. Calibration of Blaine apparatus
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Calibration of Blaine apparatus is essential for accurate measurement of fineness of cement particles.
• Calibration involves checking the accuracy of the Blaine apparatus by using a standard reference material.

• Adjusting the pressure and flow rate of air through the apparatus to ensure consistent results.

• Regular calibration helps in maintaining the reliability and accuracy of the Blaine apparatus.

• Examples of standard refe...read more
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Q4. About Coal testing
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Nice, but I given less efforts for that

Q1. Bernoulli equation
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Q2. Describe cement process
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Cement process involves mixing raw materials, heating them to a high temperature, and grinding the resulting clinker into a fine powder.
• Raw materials such as limestone, clay, and sand are crushed and blended in proper proportions.

• The mixture is heated in a rotary kiln at high temperatures to form clinker.

• The clinker is then ground with a small amount of gypsum to produce cement.

• The cement is packed in bags or shipped i
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Q1. Let introduce about yourself
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Round was completely full of aptitude questions and basic mechanical questions

The topic for my gd was is ev the future?

Q1. Here i was asked mechanical questions from all subjects and some of the questions are: 1. Gear box usage and its material 2.cast iron and steel properties and usages 3. Boiler application and working 4. T...read more
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Q1. Where do you see yourself in next 5 years
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Q2. Would you like to relocate to chennai
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Q3. How best can i know you?
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Logical, Mathematics and Technical

Abstract Topic- General Discussion

Q1. General Discussion with HR
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Q2. Location, Marketing they have ask about only this.
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Q1. Where do you see yourself in 5 years?
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Q2. Why should we hire you?
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Q3. What is your family background?
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Q4. What are your strengths and weaknesses?
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Q5. Why are you looking for a change?
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Q6. Tell me about yourself.
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Q7. Name of other candidates who came for the same post
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Q8. Are you good in sports
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Q1. How refrigerator work
Ans. 
Refrigerators work by removing heat from the interior and expelling it to the exterior.
• Refrigerators use a refrigerant to absorb heat from the interior and release it outside

• The refrigerant is compressed to increase its temperature and then allowed to expand, which cools it down

• The cooled refrigerant absorbs heat from the interior of the refrigerator, lowering its temperature

• The heat absorbed by the refrigerant is then...read more
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Q2. Parts of centrifugal pump
Ans. 
Parts of centrifugal pump
• Impeller

• Casing

• Shaft

• Bearings

• Seals

• Suction pipe

• Discharge pipe
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Q3. Air conditioner working
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Air conditioner working depends on various factors such as power supply, thermostat settings, and proper maintenance.
• The air conditioner needs a power supply to function properly.

• The thermostat settings should be adjusted according to the desired temperature.

• Regular maintenance such as cleaning the filters and coils is necessary for optimal performance.

• If the air conditioner is not cooling properly, it could be due to ...read more
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Q4. Some safety questions
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Q1. Advantages of Schottky Diode.
Ans. 
Schottky diodes have low forward voltage drop, fast switching speed, and low reverse recovery time.
• Low forward voltage drop reduces power loss and improves efficiency.

• Fast switching speed makes them suitable for high-frequency applications.

• Low reverse recovery time reduces switching losses and improves efficiency.

• Schottky diodes are commonly used in power supplies, voltage clamping circuits, and RF applications.
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Q2. Description of Lenz's Law.
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Lenz's Law states that the direction of an induced current in a conductor is always such that it opposes the change in magnetic field that produced it.
• When a magnet is moved towards a coil, a current is induced in the coil in such a direction that it opposes the motion of the magnet.

• When a magnet is moved away from a coil, a current is induced in the coil in such a direction that it opposes the change in magnetic field...read more
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Basic Apptitude and Logical Reasoning Questions

Q1. Share something about your Family.
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Q2. Any Leadership activity carried out during graduation.
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Q1. Basic questions on Control System
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Q2. Basic Questions on Machines
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Q3. Working of PLC and Programming
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PLC is a programmable device used to control industrial processes. Programming involves creating logic using ladder diagrams or code.
• PLC stands for Programmable Logic Controller

• It is used to control and automate industrial processes

• Programming involves creating logic using ladder diagrams or code

• PLC programming languages include ladder logic, function block diagrams, and structured text

• PLCs are used in various industri...read more
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