

MCQOPTIONS
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1. |
Assume that the rate of evaporation of moisture from a wet fabric during drying process is proportional to the amount of moisture present in the fabric. If 50 % of the moisture is evaporated in the first 5 minutes then the time (min) taken to evaporate 90 % of the moisture is approximately |
A. | 9 |
B. | 17 |
C. | 22 |
D. | 33 |
Answer» C. 22 | |