• Classification of Irrigation Efficiencies:
• Water Conveyance Efficiency ($\eta_c$): Ratio of water delivered to the farm fields to water diverted from the source canal network: $\eta_c = (W_f / W_d) \times 100$. (True)
• Water Application Efficiency ($\eta_a$): Ratio of water stored in the crop root zone during irrigation to water delivered to the field, directly governed by the irrigation method (surface, sprinkler, drip). (True)
• Economic Efficiency: Evaluates overall economic returns generated per unit cost/volume of irrigation water across the system. (True)
• Conclusion: (A), (B) and (C) are all correct (Option 4).

Correct option: (4) (A), (B) and (C).

• Kirpich Equation for Watershed Time of Concentration:
• In hydrology, the Kirpich (1940) equation expresses the time of concentration ($T_c$) in minutes for small agricultural watersheds:

where:

• $L$ is the maximum length of flow along the main channel (meters)
• $S$ is the dimensionless average slope of the watershed channel ($H / L$)
• Conclusion: 0.0195 L^0.77 S^-0.385 (Option 1).

Correct option: (1) 0.0195 L^{0.77} S^{-0.385}

• Feasibility Study Dimensions in Food Processing Project Planning:
• comprehensive agro-industrial project feasibility assessment requires holistic evaluation across four core dimensions:
• Economic / Financial: Evaluates Net Present Value (NPV), Internal Rate of Return (IRR), Benefit-Cost Ratio (BCR), and payback period.
• Social / Environmental: Analyzes community employment impact, local livelihood benefits, and environmental clearances.
• Technical: Evaluates process engineering viability, raw material availability, processing machinery capacities, and utility infrastructure.
• Commercial / Market: Evaluates target product demand, pricing strategy, distribution logistics, and competitive positioning.
• Conclusion: (A), (B), (C) and (D) (Option 3).

Correct option: (3) (A), (B), (C) and (D).

Matching the items of List I with List II for Storage environment and its interaction with stored product:

The correct combination is Option 2: (A) - (Il), (B) - (Ill), (C) - (IV), (B) - (1).

Correct option: (2) (A) - (Il), (B) - (Ill), (C) - (IV), (B) - (1)