The total pressure on a plane surface inclined at an angle 9 with the horizontal is equal to_______________?

Question: Flow measurement in an open channel is done by a/an
[A].

venturimeter

[B].

orificemeter

[C].

weir

[D].

rotameter

Answer: Option C

Explanation:

No answer description available for this question.

Question: Discharge from a 24 inch pipe of water at 10 ft/sec will be __________ ft3/sec.
[A].

7.65

[B].

32.36

[C].

48.22

[D].

125.6

Answer: Option D

Explanation:

No answer description available for this question.

Question: A conical tank with a bottom opening of cross-sectional area A is filled with water and is mounted on supports as shown in the figure. What is the force F with which plate X must be pushed up to prevent water from leaking ? Assume that the density of air is negligible as compared to the density of water ρL.
[A].

ρL . Vg

[B].

ρL . A.Hg

[C].

ρL . Vg/2

[D].

ρL .Vg/3

Answer: Option B

Explanation:

No answer description available for this question.

Question: In case of supersonic flow of a fluid through pipeline, the ‘Mach number’ is
[A].

0

[B].

1

[C].

< 1

[D].

> 1

Answer: Option D

Explanation:

No answer description available for this question.

Question: Which of the following relationship is valid for the equilibrium position of the float in a rotameter ?(where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)
[A].

Df + Bf = Wf

[B].

Df = Bf + Wf

[C].

Df + Bf + Wf =0

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: Critical velocity in a pipe flow
[A].

increases as fluid viscosity increases.

[B].

increases as pipe diameter increases.

[C].

independent of fluid density.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.