Explain triggering of SCR using opto-coupler. State its advantages.
Explain the operation of RC triggering circuit with neat diagram.
With neat diagram explain synchronized UJT triggering circuit.
Explain the operation of snubber protection circuit with diagram.
Explain with a neat diagram a microcontroller-based water level controller.
What is the purpose of an opto-coupler in isolated power supplies?
Explain the operation of PUT relaxation oscillator with diagram.
With neat diagram explain the operation of Horizontal break isolator.
Explain with a circuit diagram the use of a potential transformer to measure 33kV.
Explain with a neat circuit diagram only the Scott connection scheme for the conversion of three-phase supply to two-phase supply. Name one application of the same.
Explain the working principle of various types of single-phase induction motors with a neat circuit diagram.
Give the operation of battery charger using SCR with a neat diagram.
Draw a neat diagram of 1φ half wave controlled converter with RL load. Give its operation.
Describe the construction and operation of the Buchholz relay with a neat labeled diagram.
Draw the circuit diagram of DC static circuit breaker and give its operation.
With neat sketch explain four modes of operation of a TRIAC.
Explain with sketch the operation of single phase fully controlled midpoint configuration with R load.
Explain the principle of operation of Doppler type ultrasonic flow meter with a neat labeled sketch.
Explain with block diagram the construction and working principle of three phases electronic energy meter?
Explain the working principle of SMPS with neat diagram.
Explain two transistor analogy of SCR with neat diagram.
Explain with the help of a neat diagram the working of a 3-phase autotransformer. Write any two applications.
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.
Explain with neat labeled diagram measurement of flow using a venturimeter.
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!...
Why is Rotameter called a variable area flowmeter? Explain the working of Rotameter with a neat diagram. State one advantage and one disadvantage.
Draw the constructional diagram of LVDT. State its working principle. What is residual voltage? Explain with a neat diagram.
Explain with diagram: i) Topping cycle type of cogeneration ii) Bottoming type of cogeneration.
Explain the working of a single phasing preventer with a neat diagram.
Explain the working of a neon sign tube with a diagram.
Explain the working of HPMV Lamp with neat diagram.
Explain phase shifting (production of rotating magnetic field) in shaded pole induction motor with neat diagram.
Explain working of autotransformer starter for a 3 phase induction motor with neat diagram.
Explain working of resistance split phase single phase induction motor with vector diagram.
Explain the experimental set-up for the Newton’s rings formation with suitable diagram. Write conditions for dark and bright rings.
Explain MCB and ELCB with connection diagram supplying single phase load.
Explain full adder with its logic diagram & truth table.
Explain the “Differential Protection Scheme” used for alternators with a neat labeled diagram.
Explain with a neat diagram “flood lighting."
Explain with diagram and mathematical representation the leading and lagging signal.
Explain briefly the industrial wiring with a neat diagram.
State any four salient features of a microprocessor-based protection relay. Draw a block diagram of a microprocessor-based overcurrent relay.
Describe with neat circuit diagram the measurement procedure of earth resistance for an installation.
Describe the construction of an SF6 circuit breaker with a neat diagram.
Describe the working principle of a thyristor-operated dimmer with the help of a circuit diagram.
Draw circuit diagram for one lamp controlled with one switch.
Explain the thermal triggering method of SCR. Enlist different triggering methods of SCR.
Draw the circuit diagram of battery charger using SCR and explain its working.
Explain control of a single lamp from four places. Draw the relevant circuit diagram.
How to explain circuit diagram? Answer : Explaining a circuit diagram can be really easy if you break it down step by step. Here's how you can explain it: ### 1. **Start with the Components** - **Identify each component**: Begin ... this way, you can guide someone step by step through what's happening in the circuit and how it works....
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