【Daily Question】Chemical Engineering Principles 149: Viscosity (August 22)
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The last edit to this post was made by Zaihui Kangqiao on 2015-9-22 at 10:50. The Chemical Engineering Theory section is now launching a \"One Question per Day\" activity aimed at helping everyone reinforce their basic knowledge in chemical engineering. Subsequent series will include those on \"Principles of Chemical Engineering\", \"Mass Transfer and Separation\", \"Thermodynamics in Chemical Engineering\", and \"Chemical Process Engineering\". We hope for your active support! Answers to the questions in the \"One Question per Day\" activity can be viewed directly, and the thread will be closed after 1 day ! Participation earns 2 wealth points, with an additional 3 wealth points for correct answers~~~ True or False: Viscosity is one of the physical properties of fluids; therefore, the Reynolds number is also one of the physical properties of fluids. The performance parameters on the centrifugal pump’s nameplate refer to those at the highest pump head. Wrong
Viscosity is one of the physical properties of fluids, and the Reynolds number is also one of the physical properties of fluids. The performance parameters on the centrifugal pump’s nameplate refer to those at the highest pump head. (Mistake)
Viscosity is one of the physical properties of fluids, and the Reynolds number is also one of the physical properties of fluids. The performance parameters on the centrifugal pump’s nameplate refer to those at the highest pump head. (×)
Error. -----------Performance parameters refer to the optimal range (head, flow rate) at the pump’s rated output power
No! ! ! ! ! ! ! ! ! ! !
Viscosity is one of the physical properties of fluids, and the Reynolds number is also one of the physical properties of fluids. The performance parameters on the centrifugal pump’s nameplate refer to those at the highest pump head. (Mistake)
Viscosity is one of the physical properties of fluids, and the Reynolds number is also one of the physical properties of fluids. The performance parameters on the centrifugal pump’s nameplate refer to those at the highest pump head. Yes
Error! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
Viscosity is one of the physical properties of fluids, and the Reynolds number is also one of the physical properties of fluids. The performance parameters on the centrifugal pump’s nameplate refer to those at the highest pump head. Wrong
Viscosity is one of the physical properties of fluids, and the Reynolds number is also one of the physical properties of fluids. The performance parameters on the centrifugal pump’s nameplate refer to those at the highest pump head. (X)