Author Question: A valve is closed and the fluid within a pipe is stationary. When the valve is opened, fluid flows ... (Read 89 times)

james9437 · **on:** Jul 29, 2018

A valve is closed and the fluid within a pipe is stationary. When the valve is opened, fluid flows through the pipe. What happens to the pressure in the pipe when the valve is opened?

A)

The direction of the pressure change depends on the direction of the fluid flow.
B)

The direction of the pressure change depends on the density of the fluid.
C)

The pressure decreases.
D)

The pressure increases.
E)

The pressure remains the same.

Question 2

Internal human body temperature is often stated to be normal at 98.6F. What is this temperature on the Celsius scale?

A)

120C

B)

145C

C)

37.0C

D)

72.6C

E)

22.8C