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Draw the schematic arrangement for a gas power plant.
Schematic arrangement for a gas power plant Simple Systems:-
Draw a block diagram of thermal power plant.
Electrical Engineering Facts 10
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Explain the choice of size and number of generator units in a power plant. Answer : --- ### The Fundamental Trade-Off At its core, the decision boils down to a trade-off between two main approaches: 1. **A Few Large Units:** This approach leverages **economies ... designed with multiple, fast-ramping units to complement the variability of wind and solar power on the grid....
Electrical Machine DC motor gross torque example | Electrical Engineering
With a neat diagram explain solar photovoltaic power plant. Answer : Diagram of solar photovoltaic power plant : ![][1] [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=4390643679587391452 Explanation: Solar power plant consists of following components: 1. ... 5. Step-up transformer: It step-up input voltage to utilization voltage e.g. 230V ...
MCQ on self and mutual inductance | Electrical Engineering
Describe the term 'Nuclear shielding' in Nuclear Power Plant. Answer : --- ### **Nuclear Shielding in a Nuclear Power Plant** In a nuclear power plant, **Nuclear Shielding** refers to the use of specific materials and structures designed to absorb or block ... , making it possible to operate a nuclear reactor safely and protect workers and the public from harm....
Power Electronic Applications MCQs | Electrical Engineering
List the types of turbine used in hydro power plant. Answer : The selection of a specific turbine for a hydropower plant depends primarily on two factors: * **Water Head:** The vertical distance the water falls from the reservoir to the turbine. * **Flow Rate:** ... | Very Low (2-20m)| High to Very High| Generator and turbine in a submerged pod. |...
Linear algebra problem: Rank of a matrix | Electrical Engineering
Compare the working principles of a hydroelectric power plant and a nuclear power plant.
nodal analysis basic electrical engineering | Electrical Engineering
Describe the main components and energy conversion stages of a thermal power plant.
Electrical Engineering MCQ | Electrical Engineering
What is the fundamental difference between Greenhouse Gases (GHGs) like carbon dioxide and Criteria Air Pollutants like sulfur dioxide, and why do they require different mitigation strategies even though they often come from the same source, such as a power plant? Answer : The fundamental difference lies in their **mechanism of harm** and the **scale of their impact**. Greenhouse gases cause a **global, long-term** problem by altering the Earth's ... compliance with local air quality laws but still be a significant environmental concern from a climate perspective....
Basic Electrical MCQ | 9 | Electrical Engineering
Draw the truth table for a 2-input NAND gate.
Source free RL circuit 6 | Electrical and Electronics Engineering | Electrical Engineering
Draw the graph showing the variation of conductivity with temperature for a metallic conductor? Answer : The conductivity for a metallic conductor decreases with the increase in temperature. ![][1] [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=10491891827766109637 ### Explanation: The Physics Behind the Graph To understand this ... | **Low** |...
How to find total impedance in the RLC circuit ? | Impedance Combinations | Electrical Engineering
What is the difference between electrical Power (kW) and electrical Energy (kWh), and why do industrial consumers get penalized for having a low Power Factor even if their energy consumption remains the same? Answer : This question touches on the fundamental economic and technical aspects of utilizing electrical energy. The answer lies in understanding what you are billed for versus what the utility company must actually ... strain on the grid, minimizes energy losses, and frees up capacity for other customers....
Phasors Problem | Sinusoids Example | AC circuit | Electrical Engineering
Draw and explain fixed dome type biogas plant. Answer : **Fixed Dome Type Biogas Plant**, also commonly known as the **Janta model** (in India) or the **Chinese model**. ### Diagram of a Fixed Dome Biogas Plant This diagram shows a cross-section of the ... . | **Gas Storage is Limited:** The volume of the dome limits how much gas can be stored. |...
10 MCQs on Electrical Engineering | Electrical Engineering
Why concentrating collectors are used in solar power plant. Answer : Because of following advantages concentrating type collector are used in solar power plant: - 1. Temperature: Temperature obtained is high because absorber area is less and collector/reflector area is ... results: As tracking system is used better results are obtain than flat type collector. ...
Flexible AC transmission system (FACTS) | Electrical Engineering
Explain Squirrel Cage Induction Generator (SCIG) and also draw a diagram. Answer : ![][1] [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=15646281222121025403 Explanation (Operation):- In this system gearbox is used to increase the speed of high speed ... , variable voltage output of the generator into the fixed frequency, fixed voltage output required for grid....
A current of 5 A flows through a series resistance and inductance circuit when a 250 V, 50 Hz supply
In a potentiometer arrangement, a cell of emf 1.25V gives a balance point at 35.0cm length of the wire. If the cell is replaced by another cell and the balance point shifts to 63.0cm , what is the emf of the second cell? Answer : ### Principle The working principle of a potentiometer is that the potential drop across any portion of a wire of uniform cross-section is directly proportional to the length of that portion, provided a constant current flows ... 2.25 V** ### Answer The EMF of the second cell is **2.25 V**....
Problem on Kirchhoff's Laws 3 | Electrical Engineering
With a neat diagram explain medium head hydro-electric power plants. Answer : ### **Medium-Head Hydro-Electric Power Plant** A medium-head hydro-electric power plant operates with a "head" (the vertical distance the water falls) typically ranging from **30 meters to 300 meters* ... **Tailrace:** The channel that carries water away from the powerhouse and back to the river....
Class 12 | Maths | Complex Numbers | Conjugate | Write the conjugate of the complex number
Draw the labeled hysteresis loop for an electromagnetic material. Answer : ![][1] hysteresis loop [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=16263897287610247627...
Rectangular form to Polar form Example | Electrical Engineering
State significance of earthing. Draw and explain pipe earthing. State the values of earth resistances for : (i) Substation (ii) Residential wiring (iii) H.T. Line (iv) L.T. Line Answer : ### 1. Significance of Earthing Earthing (or grounding) is a fundamental safety measure in any electrical installation. Its primary significance is to protect people, equipment, and property from ... to consumers. [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=3390146307772186646...
An alternating quantity is given by i = 14.14 sin 314 t. Find RMS value and angular frequency of
How does a wind turbine convert kinetic energy from the wind into electrical energy?
Why DC current is not used in homes? | Electrical Engineering
What is the role of a FACTS device like a STATCOM in a power transmission system?
Problem on eigen values property | Electrical Engineering
Describe the function of an inverter in a power electronics system.
Nodal Analysis Problem | Electrical Engineering
What is the purpose of a substation in an electrical power grid?
Nodal analysis example with dependent current source | Electrical Engineering
What is the function of a rectifier in a power supply?
What is Cycle ? | Sine wave
What is the main difference between a rectifier and an inverter in power electronics? Answer : A rectifier converts AC (Alternating Current) → DC (Direct Current). It is used in power supplies, battery charging, and DC motor drives. Example: diode bridge rectifier. An inverter converts DC ... , wind), UPS systems, and variable-frequency drives. Example: PWM (Pulse Width Modulated) inverter....
Transfer switch | Electrical Engineering
What are the key steps involved in conducting an energy audit for a commercial building?
RLC Series Circuit Calculation: Current, Power Factor, Voltage Drop, and Capacitor Voltage Analysis
What are the properties of silicon that make it a suitable material for semiconductors?
Single Phase Series AC Circuit Example | Electrical Engineering
In metrology, what is the fundamental difference between accuracy and precision, and why is it possible—and often dangerous—for a measurement to be highly precise but not accurate? Answer : The fundamental difference is that **accuracy** describes the closeness of a measurement to the true value, while **precision** describes the closeness of repeated measurements to each ... . Understanding that a measurement can be consistently wrong is a foundational principle of metrology....
Simplify the following expressions | Phasors Problem | Complex Number Solved Example
What is the multipath fading problem in wireless communication, and how does the Orthogonal Frequency-Division Multiplexing (OFDM) modulation scheme elegantly solve this problem, which was a major limitation for previous generations of mobile technology? Answer : This question addresses the single most challenging physical problem in mobile communication and the ingenious solution that underpins virtually all modern broadband wireless standards. --- ### **Part 1: The Problem - Multipath Fading and ... **4G LTE, 5G NR, and modern Wi-Fi (Wi-Fi 4/5/6/7)**....
Mistake resolved in Phasors Example | Evaluate these complex numbers | Electrical Engineering
Why are microwave frequencies overwhelmingly preferred for radar systems, and what fundamental trade-off does the choice of a specific microwave frequency (e.g., S-band vs. X-band) represent for a radar's performance? Answer : The use of microwaves is not arbitrary; they occupy a "sweet spot" in the electromagnetic spectrum that provides the best balance of physical properties for detecting and ranging objects. ... provides the required resolution for the mission, thereby maximizing its all-weather performance and range....
Electrical and Electronics Engineering MCQs | Electrical Engineering
Compare base load plant with peak load plant. Answer : ### Core Concept: The Electricity Demand Curve To understand the difference, you first need to visualize how we use electricity. Our demand for power is not constant; it fluctuates throughout ... to create a reliable and economically viable power grid that can meet our fluctuating energy needs....
Nodal Analysis Simple Example | Electrical Engineering
Draw circuit diagram for one lamp controlled with one switch. Answer : Answer : ![][1] [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=5451139298613837756...
Alternating Current (AC) Vs Direct Current (DC)
Draw and explain the use of : (i) Combination plier (ii) Tester (iii) Wire Striper (iv) Hammer Answer : Cutter cum Insulation Remover : ![][1] [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=7558183951160707100...
nodal analysis difficult problem | Electrical Engineering
Draw the symbol of (i) PN junction diode (ii) Zener diode. Answer : ### (i) PN Junction Diode The symbol for a standard PN junction diode consists of a triangle pointing towards a bar. The triangle represents the **Anode (A)** and the ... .app/?qa=blob&qa_blobid=15767368111367211109 [2]: https://electrical-engineering.app/?qa=blob&qa_blobid=16492801014611698669...
Series and parallel resistors 16 | Electrical Engineering
With a neat diagram explain pelton wheel turbine. Answer : ### **Introduction** The **Pelton wheel** or **Pelton turbine** is a type of **impulse turbine** used in hydroelectric power plants. It is a tangential flow turbine, meaning ... hydroelectric power plants situated in mountainous regions where a large difference in water level (head) is available....
Polar form to Rectangular form and Rectangular form to Polar form | Electrical Engineering
What is a meaning of load duration curve. Answer : ### What is a Load Duration Curve? A **Load Duration Curve (LDC)** is a graph used in electrical power engineering to illustrate the relationship between power demand (load) and the amount ... operating a power grid. [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=787797341119232221...
Permanent Magnet Moving Coil (PMMC) Instrument | Electrical Engineering
Give the four advantages of vertical axis wind mills. Answer : While less common than their horizontal-axis counterparts, Vertical Axis Wind Turbines (VAWTs) offer four distinct advantages, particularly in specific environments. Here are the four main advantages of vertical axis ... of the next. This allows for a much higher power output per unit of land....
Permanent Magnet Moving Coil (PMMC) Meter Explained | Electrical Engineering
Explain the concept of following terms : (i) Connected load (ii) Maximum demand Answer : --- ### (i) Connected Load #### Definition **Connected Load** is the sum of the power ratings (in Watts or Kilowatts) of all electrical appliances and equipment installed in a consumer's ... infrastructure (wires, breakers). | **Billing & Grid Management** (demand charges, capacity planning). |...
Digital Electronics | Fractional Decimal into Binary Conversion Example | Electrical Engineering
Enlist the nuclear fuels. Answer : Nuclear fuels are materials that can be used to produce energy via nuclear fission. They are typically categorized into two main groups: **fissile** materials, which can sustain a nuclear chain ... the Deuterium-Tritium (D-T) reaction, though this technology is still in the experimental stage....
Alternating Current , Waveform , Instantaneous value
Classify the hydro-electric plants according to the head and load basis. Answer : Hydro-electric plants are classified based on several criteria, with the available **water head** and their **role in the electrical grid (load)** being two of the most important. Here is a detailed ... **high-head plant** could be a traditional power plant or a **pumped-storage peaking plant**....
Norton's Theorem Solved Example Problem | Electrical Engineering
What are the main advantages and disadvantages of solar power generation?
Calculation of Impedance and Current in a Series RL Circuit | Alternating Current
What are the fundamental limitations of traditional "hard-switched" PWM converters, and how do resonant or "soft-switching" techniques like Zero Voltage Switching (ZVS) and Zero Current Switching (ZCS) overcome these limitations to achieve higher efficiency and power density? Answer : This question addresses the critical challenge of **switching loss**, the primary barrier to increasing the operating frequency, and therefore the power density, of modern power converters. ** ... state-of-the-art applications like server power supplies, EV chargers, and renewable energy inverters....
Mesh Analysis | Electric Circuits | Problem 3.29 | Electrical Engineering
List three passive design strategies for improving energy efficiency in a building.
Statically induced emf | Electrical Engineering
Why is "active listening" considered a skill that requires conscious effort, and how does it fundamentally differ from simply hearing someone speak or waiting for your turn to talk? Answer : The difference is one of **intent and engagement**. Hearing is a passive, physiological process of perceiving sound. Waiting for your turn to talk is a self-centered debate tactic. Active ... You gain a much deeper and more accurate understanding of the problem, leading to better solutions....
Tunnel diode (Hindi/Urdu) | Electrical Engineering
Why is a 3D CAD model more than just a "digital drawing" when used for engineering simulation, and what key information must be added to this geometric model to perform a meaningful analysis like a stress test? Answer : This question highlights the fundamental difference between defining an object's **form** (CAD) and predicting its **function** (Simulation). While a 3D CAD model is the essential starting point, it ... gradients, enabling them to identify and fix design flaws before a single piece of metal is cut....
Determinant of 3x3 using calculator. | Electrical Engineering
What is drift velocity? Derive expression for drift velocity of electrons in a good conductor in terms of relaxation time of electrons? Answer : --- ### Part 1: What is Drift Velocity? In a metallic conductor (like a copper wire), the outer electrons of the atoms are not bound to individual atoms. They are free to move throughout the entire volume of ... field. * The magnitude of the drift velocity is given by: $v_d = \frac{e\tau}{m}E$....
Generation of 3-phase voltage system (HINDI) | Electrical Engineering
Describe the properties of copper that make it an ideal material for electrical wiring.
Find Io in the network in Fig. | Ideal Op Amp | Operational Amplifier | Electrical Engineering
What are the main advantages of HVDC transmission over HVAC for long distances?
Electrical Engineering Facts 16
Explain the principle of Pulse Width Modulation (PWM) for controlling motor speed.
Source Transformation | Electric Circuits | Problem 4.21 | Electrical Engineering
Why is insulation resistance testing important for the maintenance of electrical motors?
1.2 Concept of Electromotive Force EMF and Current | Electrical Engineering
What are the primary design considerations for the core and windings of an electrical transformer?
Digital Signal Processors (DSP) | Electrical Engineering
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