A substantial part of the electricity requirement of a plant is for illumination. When conducting an energy audit of the illumination system, which meter is required?

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MPPGCL JE Electrical 28 April 2023 Shift 3 Official Paper
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  1. Ohm meter
  2. Frequency meter
  3. Energy meter
  4. Lux meter

Answer (Detailed Solution Below)

Option 4 : Lux meter
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Detailed Solution

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Explanation

A lux meter is used to measure the illumination level (in lux) of a lighting system.

During an energy audit, it is essential to assess whether the lighting system is providing adequate illumination for the energy consumed. This helps in optimizing lighting efficiency and identifying potential energy savings.

Applications of other equipments:

  • Ohm meter: Measures electrical resistance (ohms).
  • Frequency meter: Measures the frequency of AC power supply (Hz).
  • Energy meter: Measures total electrical energy consumption (kWh).
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