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Unformatted text preview: 2 Grading Rubric for Quiz 1 Question 1: C- correct [1.5] M- small math error [1.4] E- incorrect equation (I=1/2(rho*v^2), A=Iv, etc. [1.2] V- interchanged "flow rate" and "flow velocity": used I=Av, but answered I=(.25)(1.25)=.3125 [1.00] X- major conceptual error [0.5] Question 2: C- correct [1.5] M- small math error [1.4] A- A incorrect, B correct [0.75] B- B incorrect, A correct [0.75] R- correct idea, but incorrect formula throughout both parts [1.2] X- major conceptual error- both wrong [0.5] Question 3: C- correct [1.5] A- had delP + delKE/vol = 0 or constant, but used incorrect reasoning to deduce which pressure was higher, resulting in an incorrect answer [1.2] Q- incomplete explanation- but not incorrect [1.0] B- correct answer, no use of Bernoulli's Eq [1.0] S- said pressures would be equal [0.5] X- Major conceptual error, usually resulting in incorrect use of Bernoulli's equation [0.5]...
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- Spring '10
- Fluid Dynamics, University of California, Bernoulli's principle, 1.5 pts, major conceptual error