Oil And Natural Gas Corporation Interview Questions, Process, and Tips for Experienced

Q1. Technical questions in ICL Machine
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Q1. What is HIRA and Differences between JSA and HIRA
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Q2. Explain detail in Electrical Safety
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Q3. Hazard area classification
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Q4. Details of Fire Safety
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Q5. What is Process Safety explain it
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Q1. 1. What is the VAV, HVAC, AHU, full froms 2. What are the refrigeration cycle 3. Types of chillers
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This interview question is about VAV, HVAC, AHU, refrigeration cycle, and types of chillers.
• VAV stands for Variable Air Volume, HVAC stands for Heating, Ventilation, and Air Conditioning, and AHU stands for Air Handling Unit.

• The refrigeration cycle is a process that removes heat from a low-temperature area and transfers it to a high-temperature area.

• Types of chillers include air-cooled chillers, water-cooled chillers,
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Q2. 1. Variable air volume, Heating variable Air conditioning, Air handler unit, 2. Compressor condenser Drive filter expansion evaporator 3. Water cooled chiller & Air cooled chiller
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Q3. 4. Type of compressors
Ans. 
There are several types of compressors used in refrigeration and air conditioning systems.
• Reciprocating compressors use pistons to compress refrigerant gas.

• Rotary compressors use rotating blades or vanes to compress refrigerant gas.

• Scroll compressors use two spiral-shaped scrolls to compress refrigerant gas.

• Centrifugal compressors use a high-speed impeller to compress refrigerant gas.

• Screw compressors use two interlock...read more
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Q4. Screw compressor Piston compressor Centrifugal compressor Reciprocating compressor Rotary-screw compressor Scroll compressor
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Q1. Just Ask about you.
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Q2. 1. Explain your work experience. 2. Basic Questions of Health and Safety 3. Iso standards 4. Scenario based Questions
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Checking all pipe lines for crude,petrol,diesel,and other chemicals if present opening automatic and manual valves for release,applying grease on valve gates changing,gaskets, commissioning units for crude processing. Steam vapour water and air, Safety belts, scaffolding,fire extinguishers monitor control room.constructing storage tanks, autocad site plan etc.

Q1. What is the first rule on any industrial zone or sector?
Ans. 
The first rule on any industrial zone or sector is safety first.
• Safety should always be the top priority in any industrial setting.

• Workers should be trained on safety procedures and provided with appropriate safety equipment.

• Regular safety inspections and maintenance should be conducted to identify and address potential hazards.

• Emergency response plans should be in place to handle any accidents or incidents.

• Examples of...read more
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Q2. What is the goal of every employee or worker?
Ans. 
The goal of every employee or worker is to contribute to the success of the organization and achieve personal growth.
• To contribute to the success of the organization

• To achieve personal growth and development

• To provide value and make a positive impact

• To maintain job security and financial stability

• To foster teamwork and collaboration

• To continuously learn and improve skills
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Q3. Why is bronze used in most oil and gas units?
Ans. 
Bronze is used in most oil and gas units due to its excellent corrosion resistance, high strength, and thermal conductivity.
• Bronze has superior corrosion resistance compared to other metals, making it ideal for oil and gas units exposed to harsh environments.

• It has high strength and can withstand heavy loads and pressure, ensuring the durability and reliability of the units.

• Bronze also has good thermal conductivity, al...read more
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Q4. Why is a fire extinguisher so important?
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A fire extinguisher is important because it helps to control and extinguish fires, preventing them from spreading and causing further damage.
• Fire extinguishers are essential safety devices that can be used to suppress small fires before they become large and uncontrollable.

• They are designed to release a chemical agent or suppressant that can quickly extinguish flames.

• Fire extinguishers are crucial in preventing the spr...read more
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Q5. Use of Gaskets in a van
Ans. 
Gaskets are used in vans to create a seal between two surfaces, preventing leakage and ensuring proper functioning of various components.
• Gaskets are typically made of materials like rubber, silicone, or metal.

• They are used in various parts of a van, such as the engine, transmission, and exhaust system.

• Gaskets help to prevent fluid or gas leaks, ensuring efficient operation and reducing the risk of damage.

• Examples of ga...read more
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