GATE 2024 ES – Question 23
For a typical Indian Tier-I city’s centralized municipal-waste infrastructure, which functional element is usually costliest?
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Correct answer: (B) Collection and transport
Explanation
Collection and transport require recurring labor, fleet operation, fuel, maintenance and repeated trips throughout the service area, and commonly dominate system operating expenditures. Thus the conventional functional-element answer is **B**. The question describes a typical overall service-cost pattern, not a universal comparison of individual facility capital costs.