During the opening of a valve in a pipe line, the flow is_________________?

Question: For water, when the pressure increases, the viscosity
[A].

also increases

[B].

decreases

[C].

remains constant

[D].

first decreases, and then increases

Answer: Option D

Explanation:

No answer description available for this question.

Question: Cp/Cv is termed as
[A].

adiabatic constant

[B].

Mach number

[C].

Weber number

[D].

Prandtl number

Answer: Option A

Explanation:

No answer description available for this question.

Question: Lower BWG means __________ of the tube.
[A].

lower thickness

[B].

lower cross-section

[C].

outer diameter

[D].

inner diameter

Answer: Option B

Explanation:

No answer description available for this question.