Water at 20 $$20 ^ { \circ } \mathrm { C }$$

question 15

Multiple Choice

Water at 20 $$20 ^ { \circ } \mathrm { C }$$ C flows between 80-cm-wide horizontal parallel plates 12 mm apart such that a pressure drop of 100 Pa occurs over a distance of 2 m. If the top plate is moving at 1.8 m/s inThe direction of the flow, the flow rate is nearest:

• A) \(0.0144 \mathrm {~m} ^ { 3 } / \mathrm { s }\)
• B) \(0.0104 \mathrm {~m} ^ { 3 } / \mathrm { s }\)
• C) \(0.0084 \mathrm {~m} ^ { 3 } / \mathrm { s }\)
• D) \(0.0054 \mathrm {~m} ^ { 3 } / \mathrm { s }\)

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Definitions:

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