__________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant.

Question: For a given Reynold number as d/D for an orifice increases, Cd will (where, d & D are orifice & pipe diameters respectively).
[A].

increase

[B].

decrease

[C].

remain constant

[D].

either (a) or (b); depends on other factors

Answer: Option A

Explanation:

No answer description available for this question.

Question: In turbulent flow, the
[A].

fluid particles move in an orderly manner.

[B].

momentum transfer is on molecular scale only.

[C].

shear stress is caused more effectively by cohesion than momentum transfer.

[D].

shear stresses are generally larger than in a similar laminar flow.

Answer: Option D

Explanation:

No answer description available for this question.