A) 40%
B) 55%
C) 60%
D) 66.6%
Correct Answer: C
Solution :
\[{{R}_{d}}=\frac{{{(\Delta h)}_{m}}}{{{(\Delta h)}_{m}}+{{(\Delta h)}_{f}}}=\frac{48}{48+32}\]\[=\frac{48}{80}=0.60\,\,or\,\,60\,%\]You need to login to perform this action.
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