Mechanical Engineering : Hydraulic And Fluid Machines QUESTIONS AND ANSWERS :: part7 : 6 to 10
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
6.Non uniform flow occurs when |
| the direction and magnitude of the velocity at all points are identical |
| the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time |
| the magnitude aricf direction of the velocity do not change from point to point in the fluid |
| the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane |
| velocity, depth, pressure, etc. change from point to point in the fluid flow. |
7.Select the correct statement |
| Local atmospheric pressure depends upon elevation of locality only |
| Standard atmospheric pressure is the mean local atmospheric pressure a* sea level |
| Local atmospheric pressure is always below standard atmospheric pressure |
| A barometer reads the difference be-tween local and standard atmospheric pressure |
| Gauge piessure is equal to atmos�pheric pressure plus instrument read�ing. |
8.Steady flow occurs when |
| the direction and magnitude of the velocity at all points are identical |
| the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time |
| the magnitude and direction of the velocity do not change from point to point in the fluid |
| the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane |
| velocity, depth, pressure, etc. change from point to point in the fluid flow. |
9.Gradually varied flow is |
| steady uniform |
| non-steady non-uniform |
| non-steady uniform |
| steady non-uniform |
| true one-dimensional. |
10.True one-dimensional flow occurs when |
| the direction and magnitude of the veiocity at all points are identical |
| the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time |
| the magnitude and direction of the velocity do not change from point to point in the fluid |
| the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane |
| velocity, depth, pressure etc. change from point to point in the fluid flow. |
More Hydraulic And Fluid Machines QUESTIONS AND ANSWERS available in next pages
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