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I applied via Naukri.com and was interviewed before Dec 2020. There was 1 interview round.
The complete process of a cross country pipeline project involves planning, design, construction, testing, and commissioning.
Planning phase: Identify project objectives, route selection, environmental impact assessment.
Design phase: Engineering design, material selection, pipeline alignment.
Construction phase: Clearing and grading, trenching, welding and joining, coating and insulation.
Testing phase: Hydrostatic testin...
Various codes and standards are followed for laying pipelines to ensure safety and quality.
API 1104 - Welding of Pipelines and Related Facilities
ASME B31.4 - Pipeline Transportation Systems for Liquid Hydrocarbons and Other Liquids
ASME B31.8 - Gas Transmission and Distribution Piping Systems
ISO 13623 - Petroleum and Natural Gas Industries - Pipeline Transportation Systems
DOT Pipeline Safety Regulations - Title 49 CFR P
Hydrotest is a pressure test conducted on pipelines to check for leaks and structural integrity.
Hydrotest involves filling the pipeline with water and pressurizing it to a specified level.
The pressure is maintained for a specified duration to check for leaks or any other defects.
The test also checks the structural integrity of the pipeline by measuring the amount of deformation under pressure.
The test is usually conduc...
Hydrotest is a process of testing the strength and integrity of pressure vessels and pipelines using water pressure.
The equipment used for hydrotest includes pumps, hoses, valves, and pressure gauges.
The first step is to fill the vessel or pipeline with water and remove any air pockets.
The second step is to gradually increase the water pressure to the desired level and hold it for a specified duration.
During the test, ...
The instrument used in joint coating process is a profile gauge. Acceptance criteria for surface roughness is specified in the project specifications.
Profile gauge is used to measure the surface roughness of the joint coating.
Acceptance criteria for surface roughness is specified in the project specifications.
Surface roughness is measured in microns or mils.
The surface roughness should be within the specified range for
Vent pipe is used to equalize pressure and prevent damage to the casing during drilling and installation of pipelines.
Vent pipe is installed in the annular space between the carrier pipe and the casing.
It allows air to escape during installation and equalizes pressure during operation.
It prevents damage to the casing due to pressure buildup.
It also allows for monitoring of the annular space for leaks or corrosion.
Prope...
Major defects in welding include porosity, cracks, incomplete fusion, and distortion.
Porosity: caused by gas entrapment in the weld pool. Can be prevented by proper shielding gas and electrode selection.
Cracks: caused by high stress or improper cooling. Can be prevented by controlling heat input and using preheat/ post-weld heat treatment.
Incomplete fusion: caused by insufficient heat or improper technique. Can be prev...
WPS, WQT, PQR, and PQT are all related to welding processes and qualifications.
WPS stands for Welding Procedure Specification and outlines the welding process to be used.
WQT stands for Welder Qualification Test and is used to qualify a welder's skills.
PQR stands for Procedure Qualification Record and documents the results of a welding procedure qualification test.
PQT stands for Performance Qualification Test and is use...
Disbondment in cold bend pipe can be checked using visual inspection, ultrasonic testing, and radiography.
Visual inspection can detect disbondment on the surface of the pipe.
Ultrasonic testing can detect disbondment in the pipe wall by sending high-frequency sound waves through the pipe and analyzing the reflected waves.
Radiography can detect disbondment by using X-rays or gamma rays to create an image of the pipe and ...
I applied via Naukri.com and was interviewed before Dec 2020. There was 1 interview round.
The process of cross country pipeline project involves planning, designing, construction, testing, and commissioning.
Planning and feasibility study
Design and engineering
Procurement of materials and equipment
Construction and installation
Testing and commissioning
Operation and maintenance
Various codes and standards are followed for laying pipelines to ensure safety and quality.
API 1104 - Welding of Pipelines and Related Facilities
ASME B31.4 - Pipeline Transportation Systems for Liquid Hydrocarbons and Other Liquids
ASME B31.8 - Gas Transmission and Distribution Piping Systems
ISO 13623 - Petroleum and Natural Gas Industries - Pipeline Transportation Systems
DOT Pipeline Safety Regulations - 49 CFR Parts 1
Hydrotest is a pressure test conducted on pipelines to check for leaks or defects.
Hydrotest involves filling the pipeline with water and pressurizing it to a specified level.
The pressure is maintained for a specified duration to check for any leaks or defects.
The test also checks the integrity of the pipeline and its ability to withstand the operating pressure.
The test is usually conducted before commissioning the pipe...
Hydrotest involves filling the equipment with water and pressurizing it to check for leaks or defects.
Equipment is filled with water and pressurized to a specified level
Pressure gauges are used to monitor the pressure
The equipment is held at the specified pressure for a set amount of time
After the test, the water is drained and the equipment is inspected for leaks or defects
Equipment and instruments used include pumps,
The instrument used in joint coating process is a profile gauge. Acceptance criteria for surface roughness is specified in the project specifications.
Profile gauge is used to measure the surface roughness of the joint coating.
Acceptance criteria for surface roughness is specified in the project specifications.
Surface roughness is measured in microns or mils.
Surface roughness should be within the specified range for the
Vent pipe is used to equalize the pressure inside and outside the casing during installation of pipelines.
Vent pipe is installed in the annular space between the carrier pipe and casing.
It helps to prevent the formation of a vacuum or pressure differential during installation.
It also allows for the escape of air or gas trapped in the annular space.
Vent pipe should be installed at the highest point of the casing.
It shou...
Major defects in welding and how to eliminate them
Porosity
Incomplete fusion
Cracks
Undercutting
Lack of penetration
Contamination
Improper electrode storage
Proper welding technique and equipment maintenance can eliminate most defects
WPS is a welding procedure specification, WQT is a welding qualification test, PQR is a procedure qualification record, and PQT is a performance qualification test.
WPS is a document that outlines the welding process to be used for a specific job
WQT is a test that ensures the welder is qualified to perform the welding process outlined in the WPS
PQR is a record that documents the results of a welding procedure qualificat...
Disbondment in cold bend pipe can be checked using visual inspection, ultrasonic testing, and radiography.
Visual inspection can detect disbondment on the surface of the pipe.
Ultrasonic testing can detect disbondment in the pipe wall by sending high-frequency sound waves through the pipe.
Radiography can detect disbondment by using X-rays or gamma rays to create an image of the pipe's internal structure.
Disbondment can a...
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I am a detail-oriented Quality Controller with a strong background in ensuring product quality and compliance.
Experienced in conducting quality inspections and audits
Skilled in identifying and resolving quality issues
Knowledgeable in quality control processes and procedures
Strong attention to detail and accuracy
Excellent communication and problem-solving skills
posted on 15 Oct 2023
I applied via Company Website and was interviewed before Oct 2022. There were 2 interview rounds.
Some of the top questions asked at the Aarvi Encon Project Quality Engineer interview -
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