Indraprastha Gas Inspection Engineer Interview Questions and Answers

CGD field refers to the Corrosion and Gas Detection field in the inspection industry.

• CGD field involves inspecting and monitoring equipment and systems for corrosion and gas leaks.

• Inspection engineers in the CGD field use various techniques such as visual inspections, non-destructive testing, and gas detection equipment.

• They ensure compliance with safety regulations and standards to prevent accidents and equipment fail...read more

There are several types of MDPE pipes used in various applications.

• MDPE stands for Medium Density Polyethylene.

• MDPE pipes are commonly used for gas and water distribution.

• Types of MDPE pipes include PE80 and PE100, which refer to the density and strength of the material.

• MDPE pipes are available in different sizes and pressure ratings.

• Examples of MDPE pipe applications include underground gas pipelines, water supply net

The top cover of the MDPE pipe should be at ground level.

• The MDPE pipe should be installed in such a way that the top cover is level with the ground surface.

• This ensures that the pipe is adequately protected and prevents any damage or exposure.

• The top cover can vary depending on the specific requirements and regulations of the project.

• For example, in some cases, the top cover may need to be a minimum of 300mm, while in...read more

There are several types of PE used in different industries.

• Polyethylene (PE) is a thermoplastic polymer.

• Common types of PE include HDPE, LDPE, and LLDPE.

• HDPE (High-Density Polyethylene) is used for bottles, pipes, and containers.

• LDPE (Low-Density Polyethylene) is used for packaging films and coatings.

• LLDPE (Linear Low-Density Polyethylene) is used for flexible packaging and liners.

• Other types of PE include MDPE (Medium...read more

PNGRB stands for Petroleum and Natural Gas Regulatory Board.

• PNGRB is a regulatory body established under the Petroleum and Natural Gas Regulatory Board Act, 2006.

• It is responsible for regulating the refining, processing, storage, transportation, distribution, marketing, and sale of petroleum, petroleum products, and natural gas.

• PNGRB grants licenses for the establishment and operation of petroleum and natural gas infra...read more

An LPG plant is a facility that processes and stores liquefied petroleum gas. It requires various electrical and electronic equipment for its operations.

• LPG plant is a facility that processes and stores liquefied petroleum gas

• Electrical equipment in an LPG plant includes transformers, switchgear, motors, and control panels

• Electronic equipment in an LPG plant includes sensors, transmitters, and PLCs

• Examples of electrica...read more

NO&NC contactor stands for Normally Open and Normally Closed contactor used in electrical circuits.

• NO&NC contactor is a type of electrical switch used to control power circuits.

• Normally Open (NO) contactor allows current to flow when the coil is energized.

• Normally Closed (NC) contactor interrupts current flow when the coil is energized.

• NO&NC contactors are commonly used in motor control circuits.

• They are es...read more