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List the special purpose lamps used in photography.
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List two special features of a welding transformer.

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How are LEDs used in photography lighting?
Answer : LEDs (Light Emitting Diodes) have become a popular choice for photography lighting due to their many benefits. Here's how they are typically used in photography: ### 1. **Continuous Lighting:** ... you're shooting stills or video, they're a great choice for both beginners and professionals alike....

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Name any two lamps with their ratings used in horticulture.

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Write any four safety measures and precautions to be followed for a special purpose lamp.
Answer : Here are four safety measures and precautions to follow when using a special-purpose lamp: 1. **Proper Ventilation**: Ensure the lamp is used in a well-ventilated area, especially if it's a ... the specifications for the lamp. Using incorrect power can lead to lamp failure or cause a safety hazard....

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List the types of turbine used in hydro power plant.

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

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List any four instruments used in energy audit with their application.

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State the purpose of lighting control. List the different types of dimmer.

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

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Explain the lighting scheme to be designed for each of the following (i) Special ward in hospitals (ii) Dentist’s Cabin.

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List different transmission line components used for power transmission. (any four)

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List co-generation systems based on sequence of energy used.

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A workshop measures 10m × 25m. The shop is illuminated by 24 lamps of 200 watts each. The lumen efficiency of each lamp is 15 lumens per watt. Depreciation factor is assumed to be 0.8 and a coefficient of utilization 0.5. Determine the illumination on the working plane.

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Give a comparison between LED and CFL lamps (Any four points).

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A uniform illumination of 150 lux is to be obtained on the floor of a room measuring 15m x 15m by arranging electric lights suitably. Calculate the number of lamps and wattage of each ... lamp efficiency is 20 lumens/watt. Assume and write suitable values of constants required for this calculation.

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List the various errors occurred in dynamometer type wattmeter and describe the way of compensating any one type of error.

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List the various losses that take place in a transformer.

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List the methods of Line Support Erection and explain in brief any one.

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List the factors to be considered while designing feeders and distribution with their functions in brief.

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List the energy conservation technique in induction motor.

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List four relevant instruments to carry out energy audit in electrical laboratory.

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List various losses occurring in synchronous motor.

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Draw a schematic arrangement of a diesel engine power station and list important systems and essential components of the diesel plant.

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List different types of concentrating type solar collectors.

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List out comparisons between CT’s and PT’s (Any four).

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