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A rotameter through which air at room temperature and atmospheric pressure is flowing gives a certain reading for a flow rate of 100 cc/sec. If helium (molecular weight 4) is used and rotameter shows the same reading, the flow rate (cc/sec) is | |
A. | 26 [Wrong Answer] |
B. | 42 [Wrong Answer] |
C. | 269 [Correct Answer] |
D. | 325 [Wrong Answer] |