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1. Define viscosity of a fluid. 2. What is the defining characteristic of a Newtonian fluid? 3. Wood is which one of the following composite types: (a) CMC, (b) MMC, or (c) PMC?

1. Define viscosity of a fluid. 2. What is the defining characteristic of a Newtonian fluid? 3. Wood is which one of the following composite types: (a) CMC, (b) MMC, or (c) PMC?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Questions: 1. Define viscosity of a fluid. 2. What is the defining characteristic of a Newtonian fluid? 3. Wood is which one of the following composite types: (a) CMC, (b) MMC, or (c) PMC? 4. Which of the following metals are used as the matrix material in fibre-reinforced MMCS (two best answers): (a) aluminium, (b) copper, (c) iron, (d) magnesium, and (e) zinc? 5. Name the two basic categories of casting processes 6. What is a chaplet? 7. In sand casting, the volumetric size of the pattern is (a) bigger than, (b) same size as, or (c) smaller than the cast part and why? 8. Given that Wm = weight of the molten metal displaced by a core and Wc = weight of the core, the buoyancy force is which one of the following: (a) downward force = Wm + Wc, (b) downward force = Wm - Wc, (c) upward force Wm + Wc, or (d) upward force Wm - Wc? %3D
Transcribed Image Text:Questions: 1. Define viscosity of a fluid. 2. What is the defining characteristic of a Newtonian fluid? 3. Wood is which one of the following composite types: (a) CMC, (b) MMC, or (c) PMC? 4. Which of the following metals are used as the matrix material in fibre-reinforced MMCS (two best answers): (a) aluminium, (b) copper, (c) iron, (d) magnesium, and (e) zinc? 5. Name the two basic categories of casting processes 6. What is a chaplet? 7. In sand casting, the volumetric size of the pattern is (a) bigger than, (b) same size as, or (c) smaller than the cast part and why? 8. Given that Wm = weight of the molten metal displaced by a core and Wc = weight of the core, the buoyancy force is which one of the following: (a) downward force = Wm + Wc, (b) downward force = Wm - Wc, (c) upward force Wm + Wc, or (d) upward force Wm - Wc? %3D
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