Shah Sponge And Power DCS Engineer Interview Questions and Answers

Q1. Solar operation and maintenance
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Q2. Solar project electrical engineer
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Q1. Many question related to gearbox
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Q1. Introduction of basic electricals
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Q2. How wind turbine opearates
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Wind turbines operate by converting the kinetic energy of wind into mechanical power, which is then converted into electricity.
• Wind turns the blades of the turbine, causing them to spin

• The spinning blades turn a shaft connected to a generator

• The generator converts the mechanical energy into electrical energy

• The electricity is then sent to the power grid for distribution

• Wind speed and direction are monitored to optimize
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Q1. Like what is your work experience. Are you willing to climb twice in a day .
Ans. According to your experience needs to give answers Second question- yes
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Q2. Are you willing to work if require to support near by site .
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Q1. As per your experience as previous company they asked questions, but more focos on safety .
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Q2. What is LOTO , Types of LOTO
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LOTO stands for Lockout/Tagout, a safety procedure used to ensure that dangerous machines are properly shut off and not started up again prior to the completion of maintenance or servicing work.
• LOTO involves locking the energy isolating devices with an assigned individual lock and tag to prevent the machine from being turned on.

• Types of LOTO include electrical LOTO, mechanical LOTO, and pneumatic LOTO.

• Examples of LOTO ...read more
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Q1. Previous experiences questions, like DFIG , Converter system, power factor , transformer , lighting system, Earthing system .
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Normal discussion with seniors

Q1. Salary discussion and joining details
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Q1. What is the Transformer
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A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Consists of two coils of wire, known as primary and secondary coils

• Primary coil receives electrical energy and creates a magnetic field

• Magnetic field induces a voltage in the secondary coil, transferring energy

• Used in power distribution, voltage regulation, and electrical isolation
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Q2. Electrical 8 equipment
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Q1. O2 analiger location in Boiler
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The O2 analiger in a boiler is typically located in the flue gas stream.
• The O2 analiger is used to measure the oxygen content in the flue gas.

• It is important to monitor the oxygen levels in the flue gas to optimize combustion efficiency.

• The O2 analiger is usually installed in the boiler's flue gas duct or stack.

• It may be located at a specific distance from the boiler outlet to ensure accurate measurements.

• The O2 analig...read more
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Q2. Then before ESP AND after APH to O2 analiger installed . Then what type problem.
Ans. No problem. But APH leakage then problem.
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Q3. Desuperheting line identify and which location.
Ans. 
Desuperheating line is used to reduce the temperature of superheated steam by injecting water or other cooling agents.
• Desuperheating line is typically located downstream of the superheater in a boiler system.

• It is used to control the temperature of the steam to prevent damage to downstream equipment.

• The location of the desuperheating line may vary depending on the specific boiler design and application.

• Examples of desu...read more
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Q4. BFP discharge line connection and permary superheter outlet and secondary superheter inlet side connection.
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Q5. APH leakage what type problem in Boiler and identify of leakage .
Ans. 
APH leakage is a problem in boilers that can lead to reduced efficiency and increased emissions.
• APH stands for Air Preheater, which is used to heat the combustion air before it enters the boiler.

• Leakage in the APH can result in loss of heat and reduced efficiency.

• Identifying the leakage involves inspecting the APH for visible signs of damage or leakage, conducting pressure tests, and monitoring performance parameters.

• C...read more
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Q6. Types of losses in Boiler
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Types of losses in Boiler
• Heat loss through flue gases

• Heat loss through radiation and convection

• Incomplete combustion losses

• Blowdown losses

• Ash and unburnt losses
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Q7. There are eight types loss in Boiler
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There are eight types of losses in a boiler.
• The eight types of losses in a boiler are: radiation, convection, exhaust, blowdown, incomplete combustion, unburnt fuel, ash, and moisture.

• Radiation loss occurs due to the heat radiated from the boiler's surface.

• Convection loss occurs due to the heat carried away by the flue gases.

• Exhaust loss occurs due to the heat carried away by the exhaust gases.

• Blowdown loss occurs due ...read more
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Q8. Drum pressure which area drop
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Drum pressure drops in the area of steam generation and distribution.
• Drum pressure drop can occur due to steam leakage in the distribution system.

• Pressure drop can also happen in the steam generation process, such as in the boiler or heat exchanger.

• Other factors that can cause drum pressure drop include fouling or scaling in the system.

• Monitoring and maintaining proper drum pressure is crucial for efficient and safe op
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It was very easy ,duration 45 min for 30 questions

Q1. It was of moderate level 2-3 questions
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Q2. What is your name
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Q1. All electrical panel HT <
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