Ongc Petro Additions Field Engineer Interview Questions and Answers

The void in a structure needs to be identified and filled with appropriate materials to ensure structural integrity.

• Identify the location and size of the void

• Determine the cause of the void

• Select appropriate materials to fill the void

• Ensure proper compaction and curing of the materials

• Perform necessary testing to ensure structural integrity

Canopy is the uppermost layer of vegetation in a forest or ecosystem that provides various benefits.

• Canopy refers to the highest layer of vegetation in a forest or ecosystem.

• It consists of the tops of trees and other tall plants that form a continuous cover.

• The canopy provides several important functions:

• - It provides shade and shelter for plants and animals living beneath it.

• - It helps regulate temperature and humidit...read more

Turbine rolling black out condition refers to a situation where a turbine experiences a sudden loss of power and stops rotating.

• Turbine rolling black out condition can occur due to various reasons such as mechanical failures, electrical faults, or grid disturbances.

• Examples of causes include turbine blade damage, generator malfunction, or grid overload.

• Proper maintenance and monitoring of the turbine system can help pr...read more

Delta T refers to the temperature difference between the generator winding and its surroundings.

• Delta T is an important factor in determining the health and efficiency of a generator.

• Monitoring the generator winding temperature helps prevent overheating and potential damage.

• Maintaining a proper Delta T ensures optimal performance and longevity of the generator.

• For example, if the generator winding temperature is 80°C a...read more

Vacuum drop can be caused by leaks in the system, clogged filters, or a malfunctioning vacuum pump.

• Leaks in the system can cause a drop in vacuum pressure.

• Clogged filters can restrict airflow and lead to a decrease in vacuum levels.

• A malfunctioning vacuum pump may not be able to maintain the desired vacuum pressure.

• Check for leaks by using a leak detector or soapy water.

• Inspect and clean filters regularly to prevent cl...read more