If a solid is compressed adiabatically in its elastic range, its __________ remains constat

Question: A stream line is
[A].

fixed in space in steady flow.

[B].

always the path of particle.

[C].

drawn normal to the velocity vector at every point.

[D].

a line connecting the mid points of flow cross-section.

Answer: Option A

Explanation:

No answer description available for this question.

Question: An ideal nozzle design aims at
[A].

minimising wall friction.

[B].

suppressing boundary layer separation.

[C].

both (a) & (b).

[D].

neither (a) nor (b).

Answer: Option C

Explanation:

No answer description available for this question.