Chennai Petroleum Corporation Interview Questions, Process, and Tips

Q1. Tell me about your self?
Ans. 
I am a dedicated and hardworking individual with a passion for learning and helping others.
• Education background

• Work experience

• Skills and strengths

• Passions and hobbies
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Q2. What are your salary expectations?
Ans. 
My salary expectations are based on my experience, qualifications, and the responsibilities of the role.
• Consider my experience and qualifications when determining salary

• Open to negotiation based on the responsibilities of the role

• Seeking a competitive salary that reflects the market value
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Q3. My name is chandhini, and I have done B.sc. In Bharathi women's College.
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Q4. Already I finish my higher studies and diploma in airlines tourism hospitality management.
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Q5. I would like to be compensated for my work so that I can provide for myself and my family
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Q6. My father is electrion and my mother is housewife I have 3 siblings
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Q1. What are the units in cpcl
Ans. 
The units in cpcl refer to specific heat capacity at constant pressure and specific heat capacity at constant volume.
• Units in cpcl are typically in J/(kg*K) or kJ/(kg*K).

• Specific heat capacity at constant pressure is denoted as cp.

• Specific heat capacity at constant volume is denoted as cv.

• The ratio of cp to cv is denoted as gamma (γ).
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Q2. What is diesel hydrotreating unit
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Diesel hydrotreating unit is a process used to remove impurities from diesel fuel through hydrogenation.
• Diesel hydrotreating unit uses hydrogen to remove sulfur, nitrogen, and other impurities from diesel fuel.

• The process involves passing the diesel fuel over a catalyst in the presence of hydrogen gas.

• The catalyst helps to break down the impurities into simpler, more stable compounds.

• The treated diesel fuel has improve...read more
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Go through all the topics which will.cover in the Safety

Q1. Discussion about the ctc and job skills
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Q1. How will you loop check a transmitters
Ans. 
Loop checking a transmitter involves verifying the signal output and ensuring it matches the input signal.
• Verify the transmitter is receiving the correct input signal

• Check the transmitter output signal using a loop calibrator or multimeter

• Compare the output signal to the expected value based on the input signal

• Adjust the transmitter if necessary to ensure the output matches the input
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Q2. How will you calibrate pressure transmitter
Ans. 
To calibrate a pressure transmitter, use a pressure calibrator to apply known pressure values and adjust the transmitter output accordingly.
• Use a pressure calibrator to generate known pressure values

• Connect the pressure calibrator to the pressure transmitter

• Adjust the output of the pressure transmitter based on the known pressure values

• Repeat the process at multiple pressure points to ensure accuracy

• Document the calibr
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Q1. What is the centrifugal pump internal part.
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The internal parts of a centrifugal pump include impeller, casing, shaft, bearings, and seals.
• Impeller is the rotating component that imparts energy to the fluid.

• Casing is the stationary component that encloses the impeller and directs the flow of fluid.

• Shaft connects the impeller to the motor and transmits power.

• Bearings support the shaft and reduce friction.

• Seals prevent leakage of fluid along the shaft.

• Other interna...read more
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Q2. Why in a centrifugal pump alignment dial gauge using.
Ans. 
Centrifugal pump alignment dial gauge is used to ensure proper alignment of the pump shaft and motor shaft.
• Dial gauge helps in measuring the misalignment between the pump and motor shafts.

• It ensures that the pump operates smoothly and efficiently.

• Misalignment can cause vibration, noise, and premature wear and tear of the pump components.

• Dial gauge readings are used to adjust the pump and motor positions for proper alig...read more
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Q3. What is the safety, In a plant.
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Safety in a plant refers to the measures taken to prevent accidents and injuries to workers and damage to equipment.
• Safety protocols and procedures should be established and followed strictly

• Workers should be trained on safety measures and provided with appropriate safety gear

• Regular maintenance and inspection of equipment and machinery

• Emergency response plans should be in place and practiced

• Regular safety audits and a...read more
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Q4. What is the cooling tower purpose.
Ans. 
Cooling tower is used to remove heat from the water-cooled system and release it into the atmosphere.
• It is used in industries to cool down the water used in various processes.

• It works on the principle of evaporation.

• It helps in conserving water by recycling it.

• It is commonly used in power plants, chemical plants, and oil refineries.

• The tower is designed to maximize the contact between air and water to facilitate heat t
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Q5. What is the centrifugal extranal part name.
Ans. 
The centrifugal external part is called impeller.
• The impeller is the rotating component of a centrifugal pump.

• It is responsible for transferring energy from the motor to the fluid being pumped.

• Examples of centrifugal pumps that use impellers include water pumps, chemical pumps, and sewage pumps.
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