The size range of the fused clinker mass produced in the rotary kiln, as given in the source, is:
A1 mm to 5 mm
B20 mm to 50 mm
C3 mm to 20 mm
D50 mm to 100 mm
Answer & Solution
Correct answer: C. 3 mm to 20 mm
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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