Give the four advantages of vertical axis windmills.

State any four advantages of having stationary armature in case of three phase alternator.
Answer : In a three-phase alternator, having a stationary armature (i.e., the armature is fixed and the rotor rotates) provides several advantages: 1. **Simplified Design**: A stationary ... seen in machines with rotating armatures. This leads to lower maintenance requirements and longer operational life....

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Explain working of vertical break isolator with neat sketch.

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How does a vertical MOSFET differ from a lateral MOSFET?

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How do you install a power distribution system for a large-scale vertical farming operation?

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What is a 3 axis magnetometer?

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What is the 12th perpendicular axis theorem?

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Which axis is perpendicular?

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Which Z axis is positive?

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What is the z-axis on an oscilloscope?

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What is Z axis on oscilloscope?

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Give two basic speed control scheme of DC shunt motor?

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Explain different types of D.C motors? Give their applications.

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Give the equation of Biot-Savart's law.

Give the equation of Biot-Savart's law.
Answer : The Biot-Savart law gives the magnetic field \( \vec{B} \) generated by a current-carrying conductor. It is mathematically expressed as: \[ \vec{B} = \dfrac{\mu_0}{4\pi} \cdot \dfrac ... magnetic field is stronger when the current is larger and when the distance to the point of interest is smaller....

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Give the mathematical statement of Helmholtz's theorem.

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What is principles of duality give an example?

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Give comparison of SCR & TRIAC.

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Draw the circuit diagram of DC static circuit breaker and give its operation.

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Give the concept of firing angle and conduction angle with a neat waveform.

Give the concept of firing angle and conduction angle with a neat waveform.
Answer : Sure! Let's break down the concepts of **firing angle** and **conduction angle** in the context of power electronics, particularly focusing on **thyristors** like **SCRs (Silicon-Controlled Rectifiers)**. ### ... . Does that make sense? If you'd like more details or an example, just let me know!...

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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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Define commutation. Give the types of commutation.

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Explain the use of the following components in electrical wiring system and give specification of each: (i) MCB (ii) ELCB.

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Give one application of (i) Mineral oil (ii) Varnish (iii) Synthetic oil (iv) Vegetable oil.

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Give the justification with diagram – “Earthing saves human life during Electrical faults”. State adverse effect of improper earthing system.

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Give the specification of a three-phase transformer as per IS : 1180 (Part I).

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List any two direct methods of level measurement. Explain Hydrostatic method of level measurement. Give one advantage and one disadvantage of it.

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State the function of strain gauge. Give its types and explain the working of any one type of it.

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Give one application each of the following transducer: (i) LVDT (ii) RVDT (iii) Capacitive (iv) Piezoelectric.

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Draw the symbol and characteristic of LDR. Give the material used for it.

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Give the classification of level measurement methods.

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Give the classification of the transducer on any two factors.

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Draw logic diagram of 4:1 multiplexer & give its truth table.

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Give the current and voltage relations of a compound connected self excited DC generator.

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Give the applications of a series connected self excited generator.

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Give the voltage relation of a series connected self excited generator.

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Give the applications of a shunt connected self excited generator.

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Give the voltage relation of a shunt connected self excited generator.

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Give all the current relations of a shunt connected self excited generator.

Give all the current relations of a shunt connected self excited generator.
Answer : In a **shunt-connected self-excited generator**, the field windings are connected in parallel (shunt) with the armature windings, meaning the field current is drawn from the armature's ... 's ability to maintain its voltage output despite varying load conditions is critical to its performance....

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