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Question

Which of the following scenarios demonstrates a real-life consequence of ignoring longitude effects in solar power plant design?

This question was previously asked in
RRB NTPC 2025 Graduate Level CBT 1 Question Paper (25-Mar-2026) (Shift 3)
The correct answer is

Solar panels receive suboptimal sunlight due to misaligned tracking schedules

In the context of solar power plant design, the impact of longitude must be carefully considered when planning the operation of solar panels. Let's analyze the options provided:

  1. Solar panels use unsuitable materials for region: This scenario is related to the material choice for solar panels, which depends on environmental conditions (e.g., temperature, humidity, corrosion resistance), but not directly on longitude.

  2. Solar panels are installed at incorrect latitude: Latitude affects the tilt angle and positioning of solar panels since it determines the sun's path. Longitude, however, affects time zones and scheduling rather than tilt or positioning.

  3. Solar panels neglect weather monitoring input: Ignoring weather monitoring impacts efficiency but is unrelated to longitude. This is more about adjusting to real-time weather conditions like cloud cover or temperature changes.

  4. Solar panels receive suboptimal sunlight due to misaligned tracking schedules: This is the most relevant option related to longitude. Tracking schedules must be aligned with the local time based on longitude. If the tracking system orients panels based on incorrect or misaligned time data, due to ignoring latitude and longitude coordination, panels may face the sun at suboptimal angles, reducing energy capture efficiency.

The correct answer is that “Solar panels receive suboptimal sunlight due to misaligned tracking schedules” demonstrates a real-life consequence of ignoring longitude effects. Longitude determines the local solar time, and a mismatch in time scheduling due to incorrect longitude information can indeed result in suboptimal energy collection.

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