Hi-Tech Power & Steel Turbine DCS Engineer Interview Questions and Answers

Q1. Technical & Professional Skills
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Q1. Statuary compliances?
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Q2. Welfare? Roles and responsibilities at office?
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Q1. About Boiler working, principles
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Q2. Rankin cycle explanation, working
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Rankine cycle is a thermodynamic cycle used in power plants to convert heat into mechanical work.
• Rankine cycle is a thermodynamic cycle that converts heat into mechanical work.

• It consists of four main components: a pump, a boiler, a turbine, and a condenser.

• The cycle starts with the pump sending liquid water to the boiler where it is heated and converted into high-pressure steam.

• The high-pressure steam then enters the ...read more
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Q1. What are AI, AO, DI, DO signals
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AI, AO, DI, DO signals are types of signals used in instrumentation engineering.
• AI stands for Analog Input and refers to signals that are continuous and can take any value within a range.

• AO stands for Analog Output and refers to signals that are continuous and can be controlled to produce a specific output value.

• DI stands for Digital Input and refers to signals that are discrete and can only take on two values, typical...read more
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Q2. What are interlocks for Turbine
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Interlocks are safety mechanisms that prevent the turbine from operating under unsafe conditions.
• Interlocks are designed to prevent damage to the turbine and ensure safe operation.

• They can be mechanical, electrical, or software-based.

• Examples include overspeed protection, low oil pressure shutdown, and high exhaust temperature shutdown.

• Interlocks are critical components of turbine control systems and must be properly m...read more
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Q3. Drum level maintenance in 3element and single element
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Drum level maintenance differs in 3-element and single element systems.
• In 3-element systems, the drum level is controlled by measuring the water level, steam flow, and feedwater flow.

• In single element systems, only the water level is measured.

• Maintenance in 3-element systems involves checking and calibrating the sensors for each parameter.

• Maintenance in single element systems involves checking and calibrating the water...read more
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Q4. Procedure of Control valve Troubleahooting
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Control valve troubleshooting involves identifying and resolving issues with the valve's performance.
• Check for any leaks or blockages in the valve

• Inspect the valve's positioner and actuator for any faults

• Verify that the valve is receiving the correct signals from the control system

• Check the valve's calibration and adjust if necessary

• Perform a functional test to ensure proper operation
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Q5. Programming skills of Emerson DCS
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Emerson DCS programming skills are essential for a Senior Instrumentation Engineer.
• Proficiency in programming languages such as ladder logic, function block, and sequential function chart

• Experience in configuring and programming Emerson DeltaV DCS systems

• Knowledge of Emerson AMS Device Manager software for device configuration and diagnostics

• Ability to troubleshoot and debug DCS programming issues

• Familiarity with indus
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Q1. What is 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 isolation

• Examples include step-up tran...read more
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Q2. Protection of generator
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Protection of generator involves implementing various measures to prevent damage during abnormal operating conditions.
• Implementing overcurrent protection to prevent damage from excessive current flow

• Installing differential protection to detect internal faults

• Using reverse power protection to prevent generator from acting as a motor

• Applying overvoltage and undervoltage protection to safeguard against voltage fluctuation...read more
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Q1. Discuss about your family
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Q1. Asked about RO&DM Plant details
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Q2. Asked about Boiler chemistry
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Q1. About Yourself and Project details ?
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Reverse an array, grouped array

Q1. General Discussion
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Q1. What is hsl,rgb,hex code colors,psuedoclasses,selectors ?
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HSL, RGB, and hex code colors are different ways to represent colors in web development. Pseudo classes and selectors are used to style elements.
• HSL (Hue, Saturation, Lightness) is a color model that defines colors based on their hue, saturation, and lightness values.

• RGB (Red, Green, Blue) is a color model that defines colors based on their red, green, and blue values.

• Hex code colors are represented by a six-digit code...read more
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Q2. What is hoisting,closure,IIFE,callbacks,promises,call apply bind methods in javascript?
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Hoisting, closure, IIFE, callbacks, promises, call apply bind methods are important concepts in JavaScript.
• Hoisting: Variables and function declarations are moved to the top of their containing scope during compilation.

• Closure: Functions retain access to variables in their lexical scope even after the outer function has finished executing.

• IIFE (Immediately Invoked Function Expression): A function that is executed immed...read more
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Q3. What is bind, how to get width of screen in jquery
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Bind is a method in JavaScript used to set the context of a function and combine it with a specific object.
• Bind is used to set the value of 'this' for a function, allowing it to be called in a specific context.

• To get the width of the screen in jQuery, you can use the $(window).width() method.

• Example: var screenWidth = $(window).width();
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