State the criteria for the selection of a power transformer as per IS:10028 (Part–I).

State the selection criteria for transducers (any eight points).
Answer : When selecting a transducer for a specific application, several factors need to be considered to ensure it meets the required performance, accuracy, and compatibility. Here are eight ... These criteria ensure the transducer will function effectively and efficiently in its intended application....

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What are the criteria for selection of site for a hydroelectric power plant?

What are the criteria for selection of site for a hydroelectric power plant?
Answer : Selecting a site for a hydroelectric power plant is a critical step in the design and development of the plant. Several factors need to be considered to ensure the project is feasible, ... be sustainable, efficient, and beneficial to both the power generation process and the surrounding area....

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Select the illumination level required as per ISI for the following working planes in residential buildings (i) Kitchen sink (ii) Staircase (iii) Dining room (iv) Study room.

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Select illumination level required as per ISI for the following working planes in residential building (i) kitchen (ii) living room (iii) dining room (iv) study room.

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State the definition of energy audit as per energy conservation act.

State the definition of energy audit as per energy conservation act.
Answer : As per the **Energy Conservation Act, 2001** of India, an **Energy Audit** is defined as a **systematic** and **methodical** process to assess the **energy ... that industries and commercial establishments comply with energy-saving norms and contribute to national energy conservation goals....

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An industrial consumer charged with the scheduled tariff of Rs.250 /kVA per month for maximum demand and 150 paisa per unit consumed for load factor of 60% and 80%. Find overall cost per unit at i) unity P.F. ii) 0.9 P.F. consider maximum demand of 50 kVA.
Answer : To solve this, we need to calculate the total cost of electricity consumption for an industrial consumer, considering the maximum demand (MD), load factor (LF), and power factor (PF) at ... tariff is based on kVA, and the load factor and total consumption determine the cost more significantly....

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State the selection criterion of the lamp for various purposes.

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State the factors considered for selection of mounting of fluorescent lamp in residential areas.

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A 500kVA distribution transformer having copper and iron losses of 5kW and 3kW respectively on full load. The transformer is loaded as shown below: Loading (kW) Power Factor (Lag) No. of hours 400 0.8 06 300 0.75 12 100 0.8 03 No load - 03 Calculate the all-day efficiency.
Answer : To calculate the all-day efficiency of the transformer, we need to consider the total energy output, the total energy input, and the losses over a 24-hour period. The transformer experiences two types of ... \] ### Final Answer: The all-day efficiency of the transformer is approximately **98.39%**....

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Explain the criteria to be applied in deciding the earthing system for an electrical installation.

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Is Canada part of the US power grid?

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Select insulating materials for following parts: (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.
Answer : Here are the insulating materials typically used for each of the given applications: 1. **Insulation between heating element and base plate of electric iron**: ** ... on their insulating properties, heat resistance, dielectric strength, and ability to withstand environmental conditions....

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Classify wiring. State the type of wiring installation used for following applications with justification: (i) Hospital (ii) Spinning mill (iii) Milk Dairy (iv) Hotel.

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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.

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State Magneto-striction. Draw Hysteresis loop for: (i) High silicon steel (ii) Copper (iii) Soft iron (iv) Wood.

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State the recommended illumination level for (i) library and (ii) operation theatre.

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State suitable single phase motor for following applications: (i) Table fan (ii) Mixers and Grinders

State suitable single phase motor for following applications: (i) Table fan (ii) Mixers and Grinders
Answer : For the given applications, here are the suitable single-phase motors: 1. **Table Fan**: **Suitable Motor**: **Shaded Pole Motor** - **Reason**: Shaded pole motors are ... running at high speeds, which is ideal for the heavy load and high-speed operation required in mixers and grinders....

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How do you optimize component selection for cost and performance?

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What are the best practices for inverter component selection?

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what are the points to be consider for MCB(miniature circuit breaker selection?

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State the causes for dielectric failure of highly purified transformer oil.

State the causes for dielectric failure of highly purified transformer oil.
Answer : Dielectric failure of highly purified transformer oil can occur due to several reasons, despite the oil being purified. Here are the main causes: ### 1. **Contamination** - ** ... chemical changes. Proper maintenance and regular monitoring of the oil quality can help prevent these issues....

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Can I use an AC motor as a generator?

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A moving coil instrument gives full scale deflection of 24 mA. When a P.D. across if is 108 mV. Find the value of – (i) Series resistance for full scale deflection of 400 V. (ii) Find the power consumption.

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What is the highest salary per month for EEE?

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Explain with justification two uses of each of two following as an electrical conductor: (i) Brass (ii) Silver.

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Can I use unipolar stepper motor as bipolar?

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Compare Horizontal axis and vertical axis wind machines on the basis of: (i) Power captured for the same tower height. (ii) Noise problem. (iii) Complexity of design and yaw mechanism (iv) Effect of fatigue arising from numerous resonances in structure.

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What is an example of a bilateral body part?

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Which type of oil is used as a transformer oil?

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Draw the equivalent circuit of a transformer as referred to the secondary.

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Draw the equivalent circuit of a transformer as referred to the primary.

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State two insulators of following types along with their areas of application: (i) Class A (ii) Class E (iii) Class H.

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Is Arduino part of AI?

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What is the main part of Arduino?

What is the main part of Arduino?
Answer : The main part of an Arduino board is the **microcontroller**. It's a small computer on the board that controls everything. The microcontroller processes input (like sensors) and sends output (like ... to process data). So, the microcontroller is the brain, and everything else supports its function....

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What is the part of transmission line?

What is the part of transmission line?
Answer : A transmission line consists of several key parts that work together to transfer electrical signals or power from one point to another. Here are the main components: ### 1. ** ... ensure that electrical signals or power can be transmitted efficiently, with minimal losses and interference....

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What are the key design considerations for a high-frequency transformer in power electronics?

What are the key design considerations for a high-frequency transformer in power electronics?
Answer : When designing a high-frequency transformer for power electronics, several key factors need to be considered to ensure efficient operation, reliability, and performance. Here are the ... transformer that delivers high performance, efficiency, and reliability in power electronics applications....

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Why motor are rated as KW while transformer rated in kVA?

Why motor are rated as KW while transformer rated in kVA?
Answer : Motors are rated in **kW (kilowatts)**, while transformers are rated in **kVA (kilovolt-amperes)** because of the different ways they handle electrical power and the factors affecting their ... whereas a transformer's capacity is related to its ability to transfer both real and reactive power....

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Three phase induction motor is known as generalized transformer. Justify.

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State the modifications to be done in dc series motor to work satisfactorily as ac series motor. State applications of ac series motor.

State the modifications to be done in dc series motor to work satisfactorily as ac series motor. State applications of ac series motor.
Answer : ### Modifications to be Done in a DC Series Motor to Work as an AC Series Motor A **DC series motor** is designed to run on direct current (DC), while an **AC series ... provide high torque at startup and withstand variable load conditions, which are typical in transport and industrial settings....

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What is the zero-state response also called as ______ response?

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State the meaning of the following: (i) Sensitivity (ii) Deflecting torque

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State the use of following: (i) Screw driver (ii) Nose pliers (iii) Wire gauge (iv) Test lamp.

State the use of following: (i) Screw driver (ii) Nose pliers (iii) Wire gauge (iv) Test lamp.
Answer : Sure! Here's a simple explanation of each tool and its use: 1. **Screwdriver**: A screwdriver is a tool used for turning screws to fasten or loosen them. It typically has a handle ... or wire has current. Each of these tools plays a crucial role in everyday electrical and electronics work!...

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