**A. less than 2000**

B. between 2000 and 4000

C. more than 4000

D. less than 4000

E. none of the above

### Related Mcqs:

- For pipes, turbulent flow occurs when Reynolds number is_________________?
A. less than 2000

B. between 2000 and 4000

**C. more than 4000**

D. less than 4000

E. none of the above - For pipes, turbulent flow occurs when Reynolds number is _____________________?
A. less than 2000

B. between 2000 and 4000

**C. more than 4000**

D. less than 4000

E. none of the above - You are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at___________________?
A. Full depth

**B. Half full**

C. Two third full

D. Three fourth full - For drainage pipes in buildings the test applied before putting them to use, is__________________?
A. Water test

**B. Smoke test**

C. Straightness test

D. All the above - In a forced vortex, the velocity of flow everywhere within the fluid is__________________?
A. maximum

B. minimum

C. zero

**D. non-zero finite**

E. unpredictable - True one-dimensional flow occurs when___________________?
**A. the direction and magnitude of the veiocity at all points are identical**

B. the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time

C. the magnitude and direction of the velocity do not change from point to point in the fluid

D. the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane

E. velocity, depth, pressure etc. change from point to point in the fluid flow - Uniform flow occurs when____________________?
A. the flow is steady

B. the flow is streamline

**C. size and shape of the cross section in a particular length remain constant**

D. size and cross section change uniformÂ¬ly along length

E. flow occurs at constant fate - Steady flow occurs when____________________?
A. the direction and magnitude of the velocity at all points are identical

**B. the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time**

C. the magnitude and direction of the velocity do not change from point to point in the fluid

D. the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane

E. velocity, depth, pressure, etc. change from point to point in the fluid flow - Uniform flow occurs when___________________?
A. the direction and magnitude of the velocity at all points are identical

B. the velocity of successive fluid pai-ticles, at any point, is the same at sucÂ¬cessive periods of time

**C. the magnitude and direction of the velocity do not change from point to point in the fluid**

D. the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plsr.e

E. velocity, depth, pressure, etc. change from point to point in the fluid flow - Two dimensional flow occurs when___________________?
A. the direction and magnitude of the velocity at all points are identical

B. the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time

C. the magnitude and direction of the velocity do not change from point to point in the fluid

**D. the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane**

E. velocity, depth, pressure, etc. change from point to point in the fluid flow