State any two applications of (i) Ferromagnetic (ii) Paramagnetic material.

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State two applications of: (i) PVC paper (ii) Porcelain with type of class based on withstand temperature is insulating material.

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Name any two applications of following gases. (i) Nitrogen (ii) Hydrogen (iii) Sf6 (iv) Air.

Name any two applications of following gases. (i) Nitrogen (ii) Hydrogen (iii) Sf6 (iv) Air.
Answer : Here are two applications for each of the gases: 1. **Nitrogen (N₂)**: - **Inert atmosphere for chemical reactions**: Nitrogen is used to provide an inert atmosphere for ... used in various industrial applications, including in pneumatic tools, air brakes in vehicles, and air compressors....

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Select or suggest any two applications for: (i) D.C shunt motor (ii) D.C series motor.

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Give any two applications for i) Universal motor and ii) Hysteresis motor.

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State any two applications of gaseous insulating material used in switchgears.

State any two applications of gaseous insulating material used in switchgears.
Answer : Two common applications of gaseous insulating materials used in switchgears are: 1. **Circuit Breakers (CBs)**: Gaseous insulating materials like sulfur hexafluoride (SF6) are used in ... to ensure the safety and efficiency of electrical power systems, particularly in high-voltage environments....

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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 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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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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State the applications of MOSFET (any two).

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Describe the method of converting a three-phase to a two-phase transformer by neat diagram. State any two applications.

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State any two applications of decorative lighting.

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What are eddy currents state any two applications?

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Name the material used and the sensitivity of the following thermocouple type: (i) J (ii) K (iii) R (iv) S.

Name the material used and the sensitivity of the following thermocouple type: (i) J (ii) K (iii) R (iv) S.
Answer : Here are the materials used and the sensitivity of the given thermocouple types: 1. **Type J**: - **Materials Used**: Iron (Fe) for the positive leg and Constantan (Copper-Nickel alloy ... with Type K covering a wide range and Types R and S being more suitable for high-temperature applications....

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Compare nominal - I and nominal - II method of transmission line (Any six points).

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Give any four selection criteria for: (i) Distribution transformer (ii) Power transformer.

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Compare between: (i) Ultrasonic and Radar type level measurement (any three points) (ii) U-tube and well type manometer (any three points).

Compare between: (i) Ultrasonic and Radar type level measurement (any three points) (ii) U-tube and well type manometer (any three points).
Answer : ### (i) **Ultrasonic vs. Radar Type Level Measurement** 1. **Principle of Operation**: - **Ultrasonic**: Uses sound waves to measure the distance between the sensor and ... make each type more suitable for specific applications based on the pressure range and measurement precision required....

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List any four applications of insulating material used in electrical fields.

List any four applications of insulating material used in electrical fields.
Answer : Here are four applications of insulating materials used in electrical fields: 1. **Wires and Cables**: Insulating materials like PVC (Polyvinyl Chloride), rubber, or Teflon are used to coat ... materials play a vital role in ensuring the safety, efficiency, and longevity of electrical equipment....

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State any four properties of conductor material used for overhead conductor.

State any four properties of conductor material used for overhead conductor.
Answer : Here are four important properties of conductor materials used for overhead conductors: 1. **High Electrical Conductivity**: The material should allow electric current to pass through it ... conductor. These properties ensure efficient and durable operation of overhead power transmission lines....

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Compare simple KitKat fuse with MCB for i) Reliability ii) Braking capacity iii) Cost iv) Applications.

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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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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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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 functions of the following parts of d.c motor: (i) Pole shoe (ii) Commutator (iii) Brushes (iv) Yoke.

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State the function of following parts in Induction motor: (i) Stator (ii) Sliprings

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State the function of following parts in Induction motor. (i) Stator (ii) Sliprings

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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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What are the two ways of reducing the eddy current loss in a ferromagnetic core?

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Describe working of online UPS. List any two applications of UPS.

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Explain with the help of a neat diagram the working of a 3-phase autotransformer. Write any two applications.

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List any two advantages and applications of RADAR type level measurement.

List any two advantages and applications of RADAR type level measurement.
Answer : ### Advantages of RADAR Type Level Measurement: 1. **Non-Contact Measurement**: RADAR level sensors work without physically touching the material being measured. This is beneficial for ... like cement, agriculture, and mining, where consistent material flow is important for production efficiency....

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List any two advantages and two applications of Bellows.

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List any two applications of halogen lamps.

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State any two advantages of Kaplan turbine over Francis turbine.

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State any two advantages of electronic energy meter?

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State the desirable qualities of measuring instrument and explain any two in brief.

State the desirable qualities of measuring instrument and explain any two in brief.
Answer : Desirable qualities of a measuring instrument are characteristics that ensure accurate, reliable, and efficient measurements. Here are the key qualities: 1. **Accuracy** - The instrument should ... consistently reads 3°C higher than the actual temperature, it is precise but not accurate....

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State any two advantages of MCB over Fuse. State the standard specifications of MCB available in the market.

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State the type of insulating materials under Class Y and Class B. (any two each).

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State any two advantages and disadvantages of electromagnetic flow meter.

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State any two advantages of ultrasonic flow meters.

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State any two features of topping cycle co-generation.

State any two features of topping cycle co-generation.
Answer : Two key features of a topping cycle co-generation system are: 1. **Simultaneous Production of Power and Heat**: In a topping cycle co-generation system, electricity is generated first, ... power and heat generation. This dual production of energy reduces fuel consumption and minimizes energy waste....

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State any two disadvantages of static relays.

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State any two types of lamps used in horticulture.

State any two types of lamps used in horticulture.
Answer : Two types of lamps commonly used in horticulture are: 1. **Fluorescent Lamps**: These are energy-efficient and emit a broad spectrum of light, making them suitable for growing plants ... . They are commonly used in larger-scale horticultural applications, like greenhouses or indoor grow rooms....

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State any two objectives of the design of street lighting.

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State the purpose of lighting control. List different types of dimmers. Explain any two dimmers with suitable diagrams.

State the purpose of lighting control. List different types of dimmers. Explain any two dimmers with suitable diagrams.
Answer : ### Purpose of Lighting Control The primary purpose of lighting control is to manage and optimize the lighting in a space for various needs. This involves adjusting the brightness, color, and ... and cheaper, Triac-based dimmers offer better energy efficiency and a broader range of applications....

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State any two application of repulsion motor.

State any two application of repulsion motor.
Answer : Two applications of a repulsion motor are: 1. **Washing Machines**: Repulsion motors are often used in washing machines due to their ability to start with a high torque, making them ... run with relatively low maintenance. The high starting torque helps in getting the fan blades moving easily....

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