Recommend the single most suitable mode of transport for each of the following situations and justify your choice with specific reasons: (a) Transporting crude oil from an oil field in Assam to an inland refinery. (b) Providing emergency connectivity to a remote Himalayan valley cut off by landslides or snow.
Generated by claude-sonnet-4-6 · 2026-06-26 13:38 · grounding rag
Model Answer
(a) Pipeline transport is most suitable for transporting crude oil from Assam to an inland refinery. As stated, there is a pipeline network from oil fields in upper Assam to Kanpur via Guwahati and Barauni. Pipelines eliminate trans-shipment losses and delays, and running costs after initial installation are minimal.
(b) Airways are most suitable for emergency connectivity to a remote Himalayan valley cut off by landslides or snow. Roads and railways cannot function when blocked by landslides or heavy snowfall, but aircraft and helicopters can operate above terrain barriers, providing the only viable link for relief and rescue.
Source: Lifelines of National Economy, Chapter 7
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Explanation
- (a) The textbook explicitly mentions the Assam-to-Kanpur pipeline network, making pipeline the textbook-supported answer. Mention "no trans-shipment losses" as a specific advantage — this phrase comes directly from the chapter.
- (b) The textbook does not explicitly state airways for this scenario, but it does note that Himalayan terrain is unfavourable for roads and railways. The chapter on airways (implicitly) and the logic of terrain make airways the only defensible choice. Examiners accept this reasoning-based answer. Avoid mentioning Atal Tunnel here — it is a permanent infrastructure solution, not emergency connectivity.
- Keep justifications specific and linked to textbook reasoning to earn full marks.