Physics
Fluid-Mechanics
Easy
Question
Water flows through a pipe as shown in the figure. The areas of cross-section of sections A and B respectively are 4 cm2 and 1 cm2. The gauge pressure in the pipe at the centre of section A is and the flow rate is 
and the flow rate is 800 cm3 s-1 . The difference in heights of the water levels in the vertical pipes is m. (Acceleration due to gravity =10 ms-2)
- 6
- 9
- 3
- 12
The correct answer is: 3
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