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Difficulty: MediumInference and Logical Deduction

Read the following passage carefully:

Under the 2026 Municipal Smart Grid Decentralization Framework, local electricity distribution entities operating in metropolitan zones are mandated to integrate privately owned rooftop solar installations into their neighborhood microgrids whenever local generation exceeds peak residential demand. However, the framework stipulates that distribution entities can only route this surplus solar power to municipal public transit charging hubs if the grid's local battery storage capacity drops below thirty percent. Furthermore, grid operators are explicitly prohibited from levying wheeling charges on transit authorities during off-peak hours, provided that the energy transferred originates from registered renewable microgrids. If a distribution entity fails to meet its minimum annual renewable integration targets, municipal subsidies for infrastructure expansion are suspended until full regulatory compliance is verified by an independent energy audit.

Based strictly on the passage above, which of the following statements must be logically true?

  1. A municipal distribution entity with local battery storage capacity at forty percent is not permitted to route surplus rooftop solar energy to public transit charging hubs.Answer
  2. B
    Distribution entities that fail to meet minimum annual renewable integration targets lose their municipal infrastructure expansion subsidies permanently.
  3. C
    Grid operators are required to levy wheeling charges on transit authorities during peak demand hours even when using registered renewable energy.
  4. D
    The framework assumes that privately owned rooftop solar installations generate cleaner electricity than municipal public transit charging hubs.

Answer

A municipal distribution entity with local battery storage capacity at forty percent is not permitted to route surplus rooftop solar energy to public transit charging hubs.
The passage explicitly establishes that routing surplus solar power to public transit charging hubs is contingent upon local battery storage capacity dropping below thirty percent. Therefore, if battery storage capacity is at forty percent, the mandatory condition is not fulfilled, and routing is strictly not permitted.

Step-by-Step Solution

1
Identify the explicit condition governing the routing of surplus solar power to transit hubs.
The passage states that distribution entities 'can only route this surplus solar power to municipal public transit charging hubs if the grid's local battery storage capacity drops below thirty percent'.
The phrase 'can only ... if' sets up a strict necessary condition for routing to occur.
2
Apply the given numerical threshold (forty percent storage capacity) to the conditional rule.
Forty percent is higher than thirty percent, so the condition of dropping below thirty percent is not satisfied.
Deductive logic requires that if the necessary condition is false, the action (routing surplus solar power) cannot occur.
3
Evaluate the remaining options against explicit text details.
All other choices misread modifiers (confusing temporary suspension with permanent loss) or inject unmentioned rules.
A valid inference must rely solely on logical necessity from explicit passage facts.

Key Concept

Inference and Logical Deduction
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Topics

Inference and Logical Deduction

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