Chennai Petroleum Corporation Interview Questions, Process, and Tips

Basic Aptitude Sections, Mostly from GATE Syllabus

Q1. Technical Interview related to Chemical, Basically from Chemical Reaction Eng, Mass Transfer Operatio [Distillation] , Heat Transfer [Conduction Part, Convection and Radiation] Thermodynamics and Fluid Mec...read more
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Topic on related to different aspects of Petroleum

Q1. What is the centrifugal pump internal part.
Ans. 
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.
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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.
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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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Q1. Oil field related questions and technical norms details
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Q2. Ask your previous apprentice person
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Q1. What is the meaning in PPC
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PPC stands for Pay-Per-Click, a model of internet marketing in which advertisers pay a fee each time one of their ads is clicked.
• PPC is a form of online advertising

• Advertisers bid on keywords and pay when their ad is clicked

• PPC can be used on search engines, social media platforms, and other websites

• PPC campaigns require careful planning and management to be effective
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Q2. How many routes in 6g weiding
Ans. 
There are four routes in 6G welding: 1G, 2G, 5G, and 6G.
• 6G welding is a type of welding that involves joining two pieces of metal at a 45-degree angle.

• The four routes in 6G welding are 1G, 2G, 5G, and 6G.

• Each route requires a different welding position and technique.

• 1G and 2G are considered easier routes, while 5G and 6G are more challenging.

• 5G and 6G require the welder to move around the pipe while welding, making it ...read more
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Q3. What is the difference between in 7018 rod and 6018 rod
Ans. 
7018 rod is used for welding thicker metals and has a higher tensile strength than 6018 rod.
• 7018 rod has a higher tensile strength than 6018 rod

• 7018 rod is used for welding thicker metals

• 6018 rod is used for welding thinner metals

• 7018 rod requires more amperage than 6018 rod

• 6018 rod is easier to use for beginners
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Like Where did u worked previously

Q1. Basics of fluid mechanics, thermodynamics
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Q2. Badics of chemical engineering and process
Ans. 
Chemical engineering involves the design, development, and operation of chemical processes and equipment.
• Chemical engineering applies principles of chemistry, physics, and mathematics to solve problems related to the production and use of chemicals and materials.

• Process design involves selecting the appropriate equipment, materials, and operating conditions to achieve the desired product quality and quantity.

• Chemical e...read more
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