The size range of the fused clinker mass produced in the rotary kiln, as given in the source, is:
A{'text': '1 mm to 5 mm', 'label': 'A'}
B{'text': '20 mm to 50 mm', 'label': 'B'}
C{'text': '3 mm to 20 mm', 'label': 'C'}
D{'text': '50 mm to 100 mm', 'label': 'D'}
Answer & Solution
Correct answer: C. {'text': '3 mm to 20 mm', 'label': 'C'}
1. §1.2(d): clinker is a 'fused mass of 3 mm to 20 mm size'.
2. The Key Words at §1.12 confirm: 'Clinker: Fused mass of 3 mm to 20 mm size.'
_Source: IGNOU ET-522 Block-1 Unit-1 Cement, §1.2(d) and §1.12, pp. 6 and 17_
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