Describe with neat circuit diagram the measurement procedure of earth resistance for an installation.

Describe with neat sketch the arc extinction in SF6 circuit breakers.
Answer : Arc extinction in SF6 (Sulfur Hexafluoride) circuit breakers is an important process to safely interrupt electrical arcs formed when the contacts of the breaker open under high-voltage conditions. SF6 is used in circuit breakers because it has excellent ... | | | B |...

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Describe detailed energy audit procedure to be carried out for an organization.

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Describe the working principle of a thyristor-operated dimmer with the help of a circuit diagram.

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Explain the operation of RC triggering circuit with neat diagram.

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Explain the working principle of various types of single-phase induction motors with a neat circuit diagram.

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With neat diagram explain synchronized UJT triggering circuit.

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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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Explain with the help of a neat diagram the following methods of speed control for a DC series motor: (i) Field diverter method. (ii) Tapped field method.

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Explain working of autotransformer starter for a 3 phase induction motor with neat diagram.

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Explain the “Differential Protection Scheme” used for alternators with a neat labeled diagram.

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What is an electrical installation procedure?

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State the procedure for laying/installation of underground cable.

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Describe how the following measurements can be made with the use of CRO: (i) Voltage measurement (ii) Time period measurement

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Describe with neat sketch the constructional details of IGBT.

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Describe with neat sketch the construction and working principle of MOSFET.

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Describe with neat sketch any one type of earthing system.

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Describe the operation of a current differential relay with a neat sketch.

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Describe with neat sketch working of hysteresis motor.

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Describe with neat sketch the working of shaded pole induction motor.

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Describe the process of ultrasonic welding with a neat sketch and mention its applications.

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Describe the vapour compression refrigeration system with a neat sketch.

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Describe spot welding and projection welding with neat sketches.

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Describe with block diagram; working of signal generator and state at least two applications of signal generator.

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Describe with block diagram working of single phase electronic energy meter.

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State/Describe the construction and working of western type frequency meter with labelled diagram.

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Describe with a suitable diagram speed control of a d.c shunt motor by field current control method.

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Describe variable frequency drive with suitable diagram.

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Explain the working principle of SMPS with neat diagram.

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Explain two transistor analogy of SCR with neat diagram.

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Give the operation of battery charger using SCR with a neat diagram.

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Draw a neat diagram of 1φ half wave controlled converter with RL load. Give its operation.

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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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What is pyrometry? Explain the working of optical pyrometer with a neat diagram. State its one application.

What is pyrometry? Explain the working of optical pyrometer with a neat diagram. State its one application.
Answer : ### Pyrometry **Pyrometry** is the measurement of temperature, particularly in high-temperature environments, where traditional temperature measurement methods like thermocouples or thermometers might not be suitable. It is ... . Let me know if you'd like more details or clarification on any part!...

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