The Venturi tube shown in the figure below may be used as a fluid flowmeter. Sup

Question

The Venturi tube shown in the figure below may be used as a fluid flowmeter. Suppose the device is used at a service station to measure the flow rate of gasoline ( = 7.00 102 kg/m3) through a hose having an outlet radius of 1.11 cm. The difference in pressure is measured to be P1 P2 = 1.70 kPa and the radius of the inlet tube to the meter is 2.22 cm. (a) Find the speed of the gasoline as it leaves the hose. 2.276 Correct: Your answer is correct. m/s (b) Find the fluid flow rate in cubic meters per second. Incorrect: Your answer is incorrect.

Explanation / Answer

b) Volume rate = A1*V1 = A2*V2

dV/dt = 3.14 *0.022* 0.022* 2.276

dV/dt = = 0.00345 m^3/s

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