1. The angular momentum equation becomes ΣM = E(rxV)pV. A if the convective term of the angular momentum can be neglected. 2. Experiments have shown that the entrance length to fully developed turbulent flow depends on the Reynolds number more than the actual roughness of the wall of the pipe. 3. The change over time due to erosion and deposition of earth in rivers and streams leads to constant cross sections in the analysis of the open channel flow applications. 4. Sharp-Crested and Broad-Crested are the two types of Weirs. 5. In engineering practice, minor losses at the flow in pipes are any frictional or energy losses due to both fluid friction and wall roughness; however, major losses is occurring from pipe-fitting and transitions such as bends and entrances.
1. The angular momentum equation becomes ΣM = E(rxV)pV. A if the convective term of the angular momentum can be neglected. 2. Experiments have shown that the entrance length to fully developed turbulent flow depends on the Reynolds number more than the actual roughness of the wall of the pipe. 3. The change over time due to erosion and deposition of earth in rivers and streams leads to constant cross sections in the analysis of the open channel flow applications. 4. Sharp-Crested and Broad-Crested are the two types of Weirs. 5. In engineering practice, minor losses at the flow in pipes are any frictional or energy losses due to both fluid friction and wall roughness; however, major losses is occurring from pipe-fitting and transitions such as bends and entrances.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:(B) Answer the following statements with True or False and correct the false one (Answer Four only):
1. The angular momentum equation becomes M = E(rxV)pV. A if the convective term of the
angular momentum can be neglected.
2. Experiments have shown that the entrance length to fully developed turbulent flow depends on
the Reynolds number more than the actual roughness of the wall of the pipe.
3. The change over time due to erosion and deposition of earth in rivers and streams leads to
constant cross sections in the analysis of the open channel flow applications.
4. Sharp-Crested and Broad-Crested are the two types of Weirs.
5. In engineering practice, minor losses at the flow in pipes are any frictional or energy losses due to
both fluid friction and wall roughness; however, major losses is occurring from pipe-fitting and
transitions such as bends and entrances.
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