20+ Indwell Interview Questions and Answers

Impedance voltage of a transformer is the voltage drop that occurs across the transformer's impedance when a current flows through it.

• Impedance voltage is a result of the transformer's internal impedance.

• It is caused by the resistance and reactance of the transformer's windings and core.

• Impedance voltage can be calculated by multiplying the current flowing through the transformer with its impedance.

• It represents the voltage that is required to overcome the impedance and allow...read more

The SLD (Single Line Diagram) is a graphical representation of the electrical system of a plant.

• SLD shows the electrical components and their interconnections in a simplified manner.

• It helps in understanding the power flow and control of the plant.

• SLD includes transformers, generators, switchgear, motors, and other electrical equipment.

• It also depicts protection devices, control circuits, and communication systems.

• SLD is essential for troubleshooting, maintenance, and design ...read more

To test IGBT in an a.c drive, perform insulation resistance test, gate voltage test, and current-voltage characteristics test.

• Perform insulation resistance test to check for any leakage or insulation breakdown.

• Conduct gate voltage test to ensure proper functioning of the gate driver circuit.

• Test the current-voltage characteristics to verify the IGBT's performance under different load conditions.

• Use an oscilloscope to analyze the waveforms and check for any abnormalities.

• Perfo...read more

The P.I test in transformers is performed to determine the insulation condition and losses in the transformer.

• P.I test stands for Polarization Index test.

• It is a type of insulation resistance test.

• The test measures the ratio of insulation resistance at 10 minutes to the insulation resistance at 1 minute.

• The test helps in assessing the insulation condition and detecting any moisture or contamination in the transformer.

• A high P.I value indicates good insulation, while a low val...read more

SAP FICO transaction codes, stock valuation methods, tax codes, financial analysis techniques, and TDS codes.

• B/S-F.01 is a transaction code for balance sheet preparation

• FBL1N is a transaction code for vendor ledger

• MIGO is a transaction code for purchase entry

• MIRO is a transaction code for invoice verification

• Stock valuation methods include FIFO, LIFO, and weighted average

• AS-22 is a tax code for deferred tax

• Cash flow and fund flow analysis are techniques used for financial ana...read more

The question is about the PLC installed, maintenance procedure for DC and AC motors, and how looper works.

• The company PLC installed is not specified in the question.

• DC motor maintenance involves checking the brushes, commutator, and bearings. AC motor maintenance involves checking the bearings, rotor, and stator.

• Looper is a device used in textile manufacturing to maintain tension in the fabric.

• The working of looper involves the use of two threads, one from above and one from ...read more

Petrol in a diesel engine can cause serious damage to the engine.

• Petrol does not ignite in the same way as diesel, causing incomplete combustion and damage to the engine.

• The engine may start to make unusual noises and vibrations.

• The fuel injectors and fuel pump may also be damaged.

• It is important to drain the fuel tank and flush the fuel system as soon as possible.

• Prevention is key - always double-check the fuel type before filling up.

Speed is the rate of change of distance while velocity is the rate of change of displacement.

• Speed is a scalar quantity while velocity is a vector quantity.

• Speed can be calculated by dividing distance by time while velocity can be calculated by dividing displacement by time.

• Speed has no direction while velocity has direction.

• For example, a car moving at a constant speed of 60 km/h has a speed of 60 km/h but its velocity depends on its direction of motion.

• If the car is moving ...read more

White metal bearing damage can be overcome by identifying the root cause and implementing proper maintenance practices.

• Identify the root cause of the damage, such as misalignment, improper lubrication, or contamination.

• Implement proper maintenance practices, including regular inspections, lubrication, and alignment checks.

• Consider upgrading to higher quality bearings or materials if necessary.

• Consult with experts or manufacturers for guidance on preventing future damage.

Yes, I have a basic understanding of steel manufacturing.

• I know that steel is made by heating iron ore in a furnace with coke and limestone.

• I understand that the process involves removing impurities and adding alloys to create different types of steel.

• I am aware of the importance of quality control in steel manufacturing to ensure the final product meets industry standards.

Main power work distribution involves managing the distribution of electrical power throughout a construction site.

• Coordinate with electricians to ensure proper installation and maintenance of power distribution systems

• Monitor power usage and troubleshoot any issues that arise

• Ensure compliance with safety regulations and protocols

• Plan for future power needs and upgrades

• Examples: overseeing the installation of temporary power distribution for a new construction project, troubl...read more

A steel plant is a facility where steel is produced from raw materials using various processes.

• Steel plants typically use blast furnaces or electric arc furnaces to produce steel

• Raw materials such as iron ore, coal, and limestone are used in the production process

• Steel plants can produce a variety of steel products, including sheets, bars, and pipes

• Steel is an important material used in construction, manufacturing, and transportation industries

Moment of inertia is the measure of an object's resistance to rotational motion.

• Moment of inertia depends on the mass and distribution of mass of an object.

• It is denoted by the symbol 'I'.

• It is used to calculate the torque required to rotate an object.

• Examples include a spinning top and a rotating wheel.

• Moment of inertia is important in engineering and physics applications.