JSW Energy Deputy Manager Mechanical Interview Questions and Answers

I am a dedicated Mechanical Engineer with a strong background in designing and implementing mechanical systems.

• Graduated with a degree in Mechanical Engineering from XYZ University

• Experienced in CAD software such as AutoCAD and SolidWorks

• Worked on projects involving HVAC systems and industrial machinery

• Skilled in analyzing and solving complex engineering problems

• Strong communication and teamwork skills

I have 5 years of experience in Boiler Turbine, ESP, and BAG FILTER EPCI projects.

• 5 years of experience in Boiler Turbine projects

• Familiar with ESP (Electrostatic Precipitator) systems

• Proficient in BAG FILTER EPCI (Engineering, Procurement, Construction, and Installation)

• Managed various projects involving Boiler Turbine, ESP, and BAG FILTER systems

• Implemented cost-effective solutions for improving efficiency

The erection process of a boiler involves assembling and installing all the components to create a functional boiler system.

• Prepare the foundation for the boiler

• Assemble the boiler components such as tubes, drums, and headers

• Install the boiler on the foundation

• Connect the necessary piping and valves

• Test the boiler for proper functioning

Boiler pressure parts are typically made of carbon steel, alloy steel, or stainless steel to withstand high pressure and temperature.

• Carbon steel is commonly used for lower pressure boilers

• Alloy steel is used for higher pressure boilers

• Stainless steel is used for corrosion resistance in boilers

• Materials must meet specific standards like ASTM A516 for carbon steel

The welding process used in water wall panels is typically TIG welding.

• TIG welding is commonly used for water wall panels due to its precision and clean welds

• TIG welding helps prevent contamination in the weld area, which is crucial for water wall panels

• Other welding processes like MIG welding or submerged arc welding may also be used depending on the specific requirements

The colour code of structural in NTPC is used to identify different types of structures and their purposes.

• The colour code is used for safety and identification purposes.

• Different colours are assigned to different types of structures.

• For example, red may be used for fire protection systems, yellow for electrical systems, and green for safety equipment.

• The colour code helps in quickly identifying the purpose of a struct...read more

FGD projects refer to Flue Gas Desulfurization projects, which are aimed at reducing sulfur dioxide emissions from power plants and industrial processes.

• FGD projects involve the installation of equipment and systems to remove sulfur dioxide from flue gas emissions.

• The main objective of FGD projects is to reduce air pollution and comply with environmental regulations.

• Various technologies are used in FGD projects, includ...read more

PG test stands for Pressure Gauge test.

• PG test is a method used to measure and verify the pressure of a system or component.

• It involves using a pressure gauge to measure the pressure and compare it to the desired or specified value.

• PG tests are commonly performed in industries such as manufacturing, oil and gas, and HVAC.

• The results of the PG test help ensure that the system or component is operating within the require...read more

Control panel of a Cummins genset is a crucial component that allows users to monitor and control the operation of the generator set.

• The control panel typically includes features such as start/stop buttons, gauges for monitoring voltage, current, and frequency, and alarms for indicating faults or abnormalities.

• Some advanced control panels may also have remote monitoring capabilities, allowing users to check the status ...read more

Cummins engine overhauling involves disassembling, inspecting, repairing, and reassembling the engine to improve performance and extend its lifespan.

• Overhauling a Cummins engine involves disassembling the engine to inspect and repair components such as pistons, cylinders, and valves.

• The engine is then cleaned thoroughly to remove any build-up of dirt or debris that could affect performance.

• After repairs are made, the e...read more

A thermal power plant is a facility that converts heat energy into electrical power.

• Thermal power plants use fossil fuels, nuclear energy, or renewable sources to generate heat.

• The heat is used to produce steam, which drives a turbine connected to a generator.

• The generator converts mechanical energy into electrical energy.

• Common types of thermal power plants include coal-fired, gas-fired, and nuclear power plants.

• Examp...read more

Thermal power plant efficiency is the ratio of energy output to energy input.

• Efficiency can be improved by using high-quality fuel and improving the combustion process.

• Regular maintenance of equipment and proper insulation can also improve efficiency.

• Cogeneration, where waste heat is used for other purposes, can increase efficiency.

• Efficiency can be calculated using the formula: Efficiency = Energy output / Energy inpu...read more

Process gear oil replacement is the procedure of draining out old gear oil from a system and refilling it with fresh gear oil.

• Drain out old gear oil from the system

• Ensure proper disposal of the old gear oil

• Refill the system with fresh gear oil

• Follow manufacturer's guidelines for the type and amount of gear oil to be used