Allied & ICAR Exam Bank • ALLIED_0948 NAT • 2 Marks

Section 6: Agricultural Process Engineering

Drying and Dehydration

Subtopic: Drying Theory and Grain Dryers

Question Statement:

A solar flat plate collector of area $A_c = 4.0\text{ m}^2$ receives solar irradiance $I = 750\text{ W/m}^2$ (total incident solar radiation $4.0 \times 750 = 3000\text{ W}$). If thermal collection efficiency is $\eta_c = 0.60$, the useful heat gained $Q_u = 0.60 \times 3000$ in Watts (W) is:

Answer Key:

1800

Step-by-Step Solution & Explanation

$Q_u = 0.60 \times 3000 = 1800\text{ W}$.
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