7. Which of the following is not a minor loss component in pipe flow? elbows b....

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7. Which of the following is not a minor loss component in pipe flow? elbows b. entrance region c. screen. d. valve. minor loss components a. e. outlet 8. An internal flow is: a. Any flow which has several recirculating regions b. Any flow which has only one recirculating region c. Only flows which are internal to hollow porous bodies d. Any flow which is bounded on at least one side by a solid surface e. Any flow which is bounded on all sides by a solid surface f. Any flow which is external to a solid annular body 9. Which of the following is not an assumption for the Bernoulli equation? a. steady flow b. inviscid flow C. Newtonian flow e. incompressible flow f. clogged pipe h. all are d. flow along a streamline 10. If all the characteristics of a fluid vary continuously throughout the fluid, the fluid is: a. Incompressible b. compressible c. a continuum d. laminar fluid e. rheological fluid 11. The hydraulic diameter is: a. The diameter for any circular cross section b. The value used for the diameter in the Reynolds number based on diameter for a non-circular cross section c. The reference diameter for any non-circular flow cross section d. All of the above 12. Consider a triangular plate vertically submerged in water. The plate is in contact with water on one side and the other side is in contact with air at standard conditions. The point of contact of the net hydrostatic force is: a. at the centroid of area b. above the centroid c. below the centroid 13. A gage pressure is presented as -6 inches of water. What is true about this value? a. The absolute pressure is greater than atmospheric b. The absolute pressure is less than atmospheric c. The pressure is represented as a reading using a manometer with mercury as the fluid d. The gage pressure is not defined for negative values 14. What is the value of the minor loss coefficient for an outlet emptying into a large reservoir? a. -1.0 b. 0.5 c. 1.0 d. -0.5 e. undefined 15. A substance which will initially deform, but will not continuously deform when acted on by a shear stress of any magnitude is a: a. non-Newtonian fluid b. plastic c. solid d. fluid e. pseudofluid f. Newtonian fluid 16. When a pump is included in a pipe flow system, it results in: a. energy extracted from the fluid b. energy added to the fluid c. increase of energy in the control volume d. a decrease in specific energy e. a decrease in specific enthalpy 7. Which of the following is not a minor loss component in pipe flow? elbows b. entrance region c. screen. d. valve. minor loss components a. e. outlet 8. An internal flow is: a. Any flow which has several recirculating regions b. Any flow which has only one recirculating region c. Only flows which are internal to hollow porous bodies d. Any flow which is bounded on at least one side by a solid surface e. Any flow which is bounded on all sides by a solid surface f. Any flow which is external to a solid annular body 9. Which of the following is not an assumption for the Bernoulli equation? a. steady flow b. inviscid flow C. Newtonian flow e. incompressible flow f. clogged pipe h. all are d. flow along a streamline 10. If all the characteristics of a fluid vary continuously throughout the fluid, the fluid is: a. Incompressible b. compressible c. a continuum d. laminar fluid e. rheological fluid 11. The hydraulic diameter is: a. The diameter for any circular cross section b. The value used for the diameter in the Reynolds number based on diameter for a non-circular cross section c. The reference diameter for any non-circular flow cross section d. All of the above 12. Consider a triangular plate vertically submerged in water. The plate is in contact with water on one side and the other side is in contact with air at standard conditions. The point of contact of the net hydrostatic force is: a. at the centroid of area b. above the centroid c. below the centroid 13. A gage pressure is presented as -6 inches of water. What is true about this value? a. The absolute pressure is greater than atmospheric b. The absolute pressure is less than atmospheric c. The pressure is represented as a reading using a manometer with mercury as the fluid d. The gage pressure is not defined for negative values 14. What is the value of the minor loss coefficient for an outlet emptying into a large reservoir? a. -1.0 b. 0.5 c. 1.0 d. -0.5 e. undefined 15. A substance which will initially deform, but will not continuously deform when acted on by a shear stress of any magnitude is a: a. non-Newtonian fluid b. plastic c. solid d. fluid e. pseudofluid f. Newtonian fluid 16. When a pump is included in a pipe flow system, it results in: a. energy extracted from the fluid b. energy added to the fluid c. increase of energy in the control volume d. a decrease in specific energy e. a decrease in specific enthalpy

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