Utility Powertech Interview Questions, Process, and Tips

Q1. Oil and gas plant review, and plant operation sefty and maintenance. Related question
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Q1. Colour code of structural in NTPC
Ans. 
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
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Q2. About Lifting plan
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Q3. What is FGD projects
Ans. 
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
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Q4. What is PG test
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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
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Q5. About Agitator rating
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Q1. FULL FORM OF MCB
Ans. 
MCB stands for Miniature Circuit Breaker.
• MCB is an electrical switch that automatically protects an electrical circuit from damage caused by overload or short circuit.

• It is a type of circuit breaker that is commonly used in residential and commercial buildings.

• MCBs are designed to trip and disconnect the circuit when excessive current flows through it, preventing damage to the electrical equipment and wiring.

• They are c...read more
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Q2. What is a potential transformer?
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A potential transformer is a type of instrument transformer used to measure voltage in high voltage systems.
• It is also known as a voltage transformer.

• It steps down the voltage to a lower level suitable for measurement or protection.

• Potential transformers are commonly used in power systems for metering, relaying, and control purposes.

• They provide accurate voltage measurements and isolate the measuring instruments from h...read more
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Q3. How many windings are used in auto transformer?
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The number of windings used in an auto transformer can vary depending on the specific application.
• Auto transformers can have a single winding or multiple windings.

• In a single winding auto transformer, the primary and secondary windings are connected together.

• In a multiple winding auto transformer, there are separate primary and secondary windings.

• The number of windings determines the voltage transformation ratio of the...read more
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Q4. Full form of SWG ?
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SWG stands for Standard Wire Gauge.
• SWG is a standardized system for measuring the diameter of wire.

• It is commonly used in electrical and electronic industries.

• SWG is also known as British Standard Wire Gauge (BSWG).
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Q5. By what is the speed of turbine controlled?
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The speed of a turbine is controlled by adjusting the flow of steam or water.
• The speed of a turbine can be controlled by adjusting the flow rate of the working fluid, such as steam or water.

• By increasing or decreasing the flow rate, the turbine's speed can be increased or decreased accordingly.

• This control mechanism allows for efficient operation and optimization of power generation systems.

• For example, in a steam turb...read more
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