Efficiency of power transmission (η) through a circular pipe is given by (ht - hf)/ht, which has a maximum value of __________ percent.

Efficiency of power transmission (η) through a circular pipe is given

1.	Efficiency of power transmission (η) through a circular pipe is given by (ht - hf)/ht, which has a maximum value of __________ percent.
A.	3:3
B.	0
C.	6.6
D.	8.8
Answer» D. 8.8

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Efficiency of power transmission (η) through a circular pipe is given by (ht - hf)/ht, which has a maximum value of __________ percent.

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