For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is

For annular flow of a fluid, the ratio of the equivalent diameter for

1.	For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is
A.	<img src="/_files/images/chemical-engineering/process-equipment-and-plant-design/585-320-1.png">
B.	<img src="/_files/images/chemical-engineering/process-equipment-and-plant-design/585-320-2.png">
C.	<img src="/_files/images/chemical-engineering/process-equipment-and-plant-design/585-320-3.png">
D.	<img src="/_files/images/chemical-engineering/process-equipment-and-plant-design/585-320-4.png">
Answer» B. <img src="/_files/images/chemical-engineering/process-equipment-and-plant-design/585-320-2.png">