6. With reference to the pipe flow, which of the following sentences are correct? A. In laminar flow, the pressure drop for straight pipes does not depend significantly upon the pipe roughness. B. For a given pipe, the friction factor value increases with an increase of the Reynold number. C. The height loss value in an expansion depends upon the geometry of the expansio D. The power required to pump two fluids between two horizontal reservoir depends upon the length of the pipeline connecting the two reservoirs. 7. With reference to the momentum balance, which of the following sentences are correct? A. The momentum balance is the balance of forces within the control volume. B. The momentum balance equation is a scalar equation. C. For a pipe with 90º reducing bend, an increase of the pressure at the inlet causes a increase of the vertical component of the force. D. For the flow through an orifice, the value of the exit velocity from the orifice depends upon the diameter of the orifice.
6. With reference to the pipe flow, which of the following sentences are correct? A. In laminar flow, the pressure drop for straight pipes does not depend significantly upon the pipe roughness. B. For a given pipe, the friction factor value increases with an increase of the Reynold number. C. The height loss value in an expansion depends upon the geometry of the expansio D. The power required to pump two fluids between two horizontal reservoir depends upon the length of the pipeline connecting the two reservoirs. 7. With reference to the momentum balance, which of the following sentences are correct? A. The momentum balance is the balance of forces within the control volume. B. The momentum balance equation is a scalar equation. C. For a pipe with 90º reducing bend, an increase of the pressure at the inlet causes a increase of the vertical component of the force. D. For the flow through an orifice, the value of the exit velocity from the orifice depends upon the diameter of the orifice.
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter9: Moments And Products Of Inertia Of Areas
Section: Chapter Questions
Problem 9.33P: The plane region A is submerged in a fluid of weight density . The resultant force of the fluid...
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