Jai Balaji Group Turbine Field Engineer Interview Questions and Answers

Q1. What is Pipe Layout.
Ans. 
Pipe layout refers to the arrangement and positioning of pipes in a system to ensure efficient flow of fluids or gases.
• Pipe layout involves determining the route, size, and elevation of pipes within a system.

• Consideration must be given to factors such as pressure drop, flow rate, and accessibility for maintenance.

• Proper pipe layout can optimize system performance and minimize potential issues such as leaks or blockages
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Q2. Why Position Displacement Pumps are used for Hydraulic.
Ans. 
Position displacement pumps are used for hydraulic systems due to their ability to provide precise control over fluid flow and pressure.
• Position displacement pumps offer accurate and repeatable flow rates, making them ideal for applications requiring precise control.

• These pumps are capable of maintaining constant pressure, which is crucial in hydraulic systems to ensure consistent performance.

• Position displacement pump...read more
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Q3. Brief about pipe scheduled.
Ans. 
Pipe schedule refers to the wall thickness of pipes used in various industries.
• Pipe schedule is a way to standardize the thickness of pipes for different applications.

• It is denoted by a number followed by 'S' (e.g. Schedule 40, Schedule 80).

• Higher schedule numbers indicate thicker walls for higher pressure applications.

• Pipe schedules are important for ensuring compatibility and safety in piping systems.
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Q4. Procedure of Replacement of Pump in a Hydraulic System.
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The procedure for replacing a pump in a hydraulic system involves draining the system, disconnecting the old pump, installing the new pump, and refilling the system.
• Drain the hydraulic system to prevent spills and contamination.

• Disconnect the old pump from the system by removing any connecting hoses or pipes.

• Install the new pump in the same location as the old pump, ensuring proper alignment and connection.

• Refill the h...read more
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Q5. How System Pressure is set in a Hydraulic system.
Ans. 
System pressure in a hydraulic system is set using a pressure relief valve or a pressure regulator.
• System pressure can be set using a pressure relief valve which opens to release excess pressure.

• A pressure regulator can also be used to control the pressure by adjusting the setting.

• The pressure setting is typically determined based on the requirements of the hydraulic system and the components used.

• Monitoring devices su...read more
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Q6. What is TIG welding and why is it widely used in Jointing Hydraulic Pipes.
Ans. 
TIG welding is a welding process that uses a non-consumable tungsten electrode to produce the weld. It is widely used in jointing hydraulic pipes due to its precision and clean welds.
• TIG welding stands for Tungsten Inert Gas welding.

• It uses a non-consumable tungsten electrode to create the weld.

• TIG welding produces high-quality, clean welds with minimal spatter.

• The process allows for precise control over the welding ar...read more
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Q7. What are the procedures of cleaning pipe lines.
Ans. 
Cleaning pipe lines involves various procedures such as flushing, pigging, and chemical cleaning.
• Flushing involves using water or air pressure to remove debris and buildup from the pipes.

• Pigging uses a device called a 'pig' to scrape the inside of the pipe and push out any blockages.

• Chemical cleaning involves using specific chemicals to dissolve and remove stubborn deposits in the pipes.

• Regular maintenance and inspecti...read more
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Q8. What is NAS value and why its important to achieve with in standard limits.
Ans. 
NAS value is a measure of network-attached storage performance and reliability, important to achieve within standard limits for optimal data storage and access.
• NAS value stands for Network-Attached Storage value, which measures the performance and reliability of a storage system.

• It is important to achieve NAS value within standard limits to ensure optimal data storage and access speeds.

• Exceeding NAS value limits can re...read more
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Q9. How Conveyor alignment is done.
Ans. 
Conveyor alignment is done by adjusting the idlers and pulleys to ensure the belt runs straight and centered on the conveyor frame.
• Check for any misalignment by observing the belt's position on the idlers.

• Adjust the idlers and pulleys to ensure the belt runs straight and centered.

• Use alignment tools such as laser alignment devices for precision.

• Regularly inspect and maintain the conveyor system to prevent misalignment ...read more
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Q10. What are the factors and its requirements to procure a Conveyor belt.
Ans. 
Factors and requirements for procuring a conveyor belt
• Consider the type of material being transported

• Determine the required capacity and speed of the conveyor belt

• Evaluate the environment where the conveyor belt will be used (e.g. temperature, humidity)

• Assess the maintenance and operating costs of the conveyor belt

• Check the safety features and regulations compliance of the conveyor belt

• Look into the reputation and reli...read more
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Q11. Types of Coupling uses and the procedure of alignment.
Ans. 
Couplings are used to connect two shafts together while allowing for some degree of misalignment. Alignment is crucial for proper functioning.
• Types of couplings include rigid, flexible, fluid, and magnetic couplings.

• Procedure for alignment involves checking shaft alignment using tools like dial indicators, laser alignment systems, or straightedges.

• Alignment process includes adjusting shims, moving machinery, and rechec...read more
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Q12. What is a Rapid wagon loading system.
Ans. 
A rapid wagon loading system is a technology used to quickly load goods onto train wagons for transportation.
• Utilizes automated machinery to load goods efficiently

• Reduces loading time significantly compared to manual loading

• Commonly used in industries such as mining, agriculture, and logistics

• Examples include conveyor belt systems, robotic arms for loading, and automated palletizing systems
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Q1. What is Transformers, Motor, Genretor, Electric genetion
Ans. 
Transformers, motors, generators, and electric generation are essential components in electrical systems.
• Transformers are devices that transfer electrical energy between two or more circuits through electromagnetic induction.

• Motors convert electrical energy into mechanical energy to drive machinery.

• Generators convert mechanical energy into electrical energy.

• Electric generation involves the process of producing electric...read more
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Q2. KVL,KCL,Thevenin Theorem,Nodal analysis
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Q3. Can you explain what a DC motors
Ans. 
DC motors are electric motors that operate using direct current (DC) power sources.
• DC motors convert electrical energy into mechanical energy through the interaction of magnetic fields.

• They are commonly used in appliances, power tools, and electric vehicles.

• DC motors have two main types: brushed DC motors and brushless DC motors.

• Brushed DC motors use brushes to conduct current, while brushless DC motors use electronic ...read more
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Number System, coding and decoding, Analogies

Q1. What is Nodal analysis
Ans. 
Nodal analysis is a method used in electrical engineering to determine the voltage at each node in a circuit.
• Nodal analysis involves writing Kirchhoff's Current Law equations for each node in a circuit.

• It is used to analyze complex circuits with multiple nodes and voltage sources.

• The goal of nodal analysis is to determine the voltage at each node relative to a reference point, usually ground.

• It is a powerful tool for s...read more
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Q2. Explain the Transformer
Ans. 
A transformer is an electrical 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 to step up or step down voltage levels in power distribution systems

• Commo...read more
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Q1. About work related discussion done
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Q2. About caster operation related
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Q3. About technical issue related discussion done
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Q1. About salary discussion done
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Q1. Electrical department
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Q2. What is MCC PCC PANEL
Ans. 
MCC stands for Motor Control Center and PCC stands for Power Control Center. They are electrical panels used to control and distribute power to motors and other electrical equipment.
• MCC panels are used to control and distribute power to motors in industrial settings.

• PCC panels are used to control and distribute power to various electrical equipment.

• Both panels play a crucial role in ensuring efficient and safe operatio...read more
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Q1. Which type of protection used in a substation
Ans. 
Different types of protection are used in a substation to ensure safety and reliability.
• Overcurrent protection: Protects against excessive current flow.

• Overvoltage protection: Safeguards against high voltage surges.

• Differential protection: Detects faults by comparing currents entering and leaving the substation.

• Distance protection: Protects transmission lines based on the distance to the fault.

• Ground fault protection: ...read more
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Q2. Which type of ht breaker used in ht line
Ans. 
Different types of HT breakers are used in HT lines depending on the specific requirements.
• Air Circuit Breaker (ACB) is commonly used in HT lines for its high breaking capacity and quick response time.

• Vacuum Circuit Breaker (VCB) is another popular choice due to its compact size and low maintenance requirements.

• SF6 Circuit Breaker is used for high voltage applications as it provides excellent arc quenching properties.

• O...read more
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Q1. Introduction and basic about current industry and background
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Q1. Job description related questions
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Q1. Basic about past and present job role and family details
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Q1. About your self
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Q1. About technical questions
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Q1. How much salary you want
Ans. 
I am looking for a competitive salary that reflects my skills and experience.
• I have researched the industry standard for this position and would like to be compensated accordingly.

• I am open to negotiation based on the specific responsibilities and benefits offered.

• I am more interested in finding a company that values and invests in its employees rather than just a high salary.

• I am willing to discuss salary further in a
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Q2. About salary How much salary you want
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