Civil Engineering Mcqs MCQs

263. 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 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 plsr.e
✅ The correct answer is option C.

264. Self-cleansing velocity is__________________?

A. Velocity at dry weather flow
B. Velocity of water at flushing
C. Velocity at which no accumulation remains in the drains
D. Velocity of water in a pressure filter
✅ The correct answer is option C.

270. 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 uniform¬ly along length
✅ The correct answer is option C.
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