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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
 Cebra

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