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MEMS 305 Final Exam Questions with complete solution
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MEMS 305 Final Exam Question and answers rated A+
MEMS 305 Final Exam Question and answers rated A+ What are the 4 assumptions needed for using the Bernoulli equation? 1. Inviscid fluid 2. Steady velocity 3. Incompressible 4. Flow along a streamline Which assumptions does pipe flow violate and why? Inviscid flow, since the pipe exerts shear stress and friction onto the moving fluid. Write the extended Bernoulli equation and state what each term represents. p₁ + 1/2α₁ρv₁² + ρgz₁ = p₂ + 1/2α₂ρv₂² + ρgz₂ ...
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MEMS 305 Final Exam Question and answers rated A+ What are the 4 assumptions needed for using the Bernoulli equation? 1. Inviscid fluid 2. Steady velocity 3. Incompressible 4. Flow along a streamline Which assumptions does pipe flow violate and why? Inviscid flow, since the pipe exerts shear stress and friction onto the moving fluid. Write the extended Bernoulli equation and state what each term represents. p₁ + 1/2α₁ρv₁² + ρgz₁ = p₂ + 1/2α₂ρv₂² + ρgz₂ ...
Mems 210 dates Question and answers rated A+
Mems 210 dates Question and answers rated A+ Third-Century Crisis - correct answer 235-284 AD Justinian - correct answer Reign from 527-565 AD Muhammad - correct answer 570-632 AD. Monasticism - correct answer Begins in the 3rd century AD (with St. Anthony in Egypt, often cited as a key figure in early Christian monasticism) Diocletian - correct answer Reign from 284-305 AD Constantine - correct answer Reign from 306-337 AD Arian Christianity - correct answer E...
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Mems 210 dates Question and answers rated A+ Third-Century Crisis - correct answer 235-284 AD Justinian - correct answer Reign from 527-565 AD Muhammad - correct answer 570-632 AD. Monasticism - correct answer Begins in the 3rd century AD (with St. Anthony in Egypt, often cited as a key figure in early Christian monasticism) Diocletian - correct answer Reign from 284-305 AD Constantine - correct answer Reign from 306-337 AD Arian Christianity - correct answer E...
MECE305 Exam 2 Question and answers rated A+
MECE305 Exam 2 Question and answers rated A+ A dislocation loop has how many Burger's vectors? - correct answer single Burger's vector Everything else remaining the same in a given slip system, if the magnitude of the Burger's vector increases then the shear stress required to move a dislocation - correct answer increases Everything else remaining the same in a given slip system, if the interplanar spacing increases then the shear stress required to move a dislocation - cor...
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MECE305 Exam 2 Question and answers rated A+ A dislocation loop has how many Burger's vectors? - correct answer single Burger's vector Everything else remaining the same in a given slip system, if the magnitude of the Burger's vector increases then the shear stress required to move a dislocation - correct answer increases Everything else remaining the same in a given slip system, if the interplanar spacing increases then the shear stress required to move a dislocation - cor...
MECE 305 Up to OQ 33 Question and answers 100% correct
MECE 305 Up to OQ 33 Question and answers 100% correct Phase A has a higher melting point than phase B. The thermal expansion coefficient of phase A - correct answer is likely to be lower than that of phase B Phase A has a higher melting point than phase B. The elastic modulus of phase A - correct answer is likely to be higher than that of phase B Material A is being deformed in uniaxial tension. Uniform plastic deformation will begin when the engineering stress is equal to the - c...
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MECE 305 Up to OQ 33 Question and answers 100% correct Phase A has a higher melting point than phase B. The thermal expansion coefficient of phase A - correct answer is likely to be lower than that of phase B Phase A has a higher melting point than phase B. The elastic modulus of phase A - correct answer is likely to be higher than that of phase B Material A is being deformed in uniaxial tension. Uniform plastic deformation will begin when the engineering stress is equal to the - c...
MECE 305 Q21-25 Question and answer correctly solved
MECE 305 Q21-25 Question and answer correctly solved During solidification in a given system, the nucleation rate ___ with decreasing solidification temperature may increase or decrease During solidification in a given system, the overall transformation rate ___ with decreasing solidification temperature may increase or decrease Assuming nuclei to be cubes of side length 2R instead of spheres of size r, r+ (critical r for cube) is ____ r* (critical radius of sphere) the same ...
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MECE 305 Q21-25 Question and answer correctly solved During solidification in a given system, the nucleation rate ___ with decreasing solidification temperature may increase or decrease During solidification in a given system, the overall transformation rate ___ with decreasing solidification temperature may increase or decrease Assuming nuclei to be cubes of side length 2R instead of spheres of size r, r+ (critical r for cube) is ____ r* (critical radius of sphere) the same ...
MECE 305 Materials Science (Up to & Including In-Class Quiz 1) Question and answers correctly solved
MECE 305 Materials Science (Up to & Including In-Class Quiz 1) Question and answers correctly solved Compared to one mole of iron atoms, one mole of oxygen molecules has - correct answer more atoms The electronegativity of an element is a measure of - correct answer the strength with which electrons are attracted to the atom An electropositive element is likely to - correct answer give up its valence electrons A cation - correct answer becomes smaller as the charge on it inc...
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MECE 305 Materials Science (Up to & Including In-Class Quiz 1) Question and answers correctly solved Compared to one mole of iron atoms, one mole of oxygen molecules has - correct answer more atoms The electronegativity of an element is a measure of - correct answer the strength with which electrons are attracted to the atom An electropositive element is likely to - correct answer give up its valence electrons A cation - correct answer becomes smaller as the charge on it inc...
MECE 305 In Class Quiz #4 Review (OQ 15-20) Question and answers correctly solved
MECE 305 In Class Quiz #4 Review (OQ 15-20) Question and answers correctly solved The true stress-strain curves for samples 1 and 2 are shown below. ( During grain growth of a recrystallized metal or alloy - correct answer yield strength of the material decreases The true stress-strain curves for samples 1 and 2 are shown below. Samples 1 and 2 identical except that they were annealed at different temperatures for the same period of time after cold working. ( Some metals such as lea...
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MECE 305 In Class Quiz #4 Review (OQ 15-20) Question and answers correctly solved The true stress-strain curves for samples 1 and 2 are shown below. ( During grain growth of a recrystallized metal or alloy - correct answer yield strength of the material decreases The true stress-strain curves for samples 1 and 2 are shown below. Samples 1 and 2 identical except that they were annealed at different temperatures for the same period of time after cold working. ( Some metals such as lea...
MECE 305 Final Study Guide Questions with complete solution
MECE 305 Final Study Guide Questions with complete solution Frenkel Defect - correct answer Ion vacancy and Ion Interstitial Pair Schottky Defect - correct answer Cationic and Anionic Vacancies Edge Dislocation - correct answer T(eff), b, and v parallel Perpendicular to q (dislocation line) Screw Dislocation - correct answer q, b, and T(eff) parallel Perpendicular to v All dislocations - correct answer T(eff) parallel to b q perpendicular to v A dislocation loop h...
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MECE 305 Final Study Guide Questions with complete solution Frenkel Defect - correct answer Ion vacancy and Ion Interstitial Pair Schottky Defect - correct answer Cationic and Anionic Vacancies Edge Dislocation - correct answer T(eff), b, and v parallel Perpendicular to q (dislocation line) Screw Dislocation - correct answer q, b, and T(eff) parallel Perpendicular to v All dislocations - correct answer T(eff) parallel to b q perpendicular to v A dislocation loop h...
MECE 305 Final Question and answers 100% correct
MECE 305 Final Question and answers 100% correct For an AX type ionic solid, the ionic radii and atomic weights are: (Al+ = 0.074 nm, Aw = 55.85 g/ mol. X1- = 0.184 nm. Aw = 32.06 g/mol). The mass density of AX is (A) 2.76 g/ cc (B) 3.64 g/ cc (C) 4.10 g cc (D) 5.33 g/ cc (A) 2.76 g/ cc If atomic bonding in metal A is weaker than metal B, then metal A has: (A) lower melting point (B) lower brittleness (C) lower electrical conductivity (D) Lower thermal expansion coefficient ...
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MECE 305 Final Question and answers 100% correct For an AX type ionic solid, the ionic radii and atomic weights are: (Al+ = 0.074 nm, Aw = 55.85 g/ mol. X1- = 0.184 nm. Aw = 32.06 g/mol). The mass density of AX is (A) 2.76 g/ cc (B) 3.64 g/ cc (C) 4.10 g cc (D) 5.33 g/ cc (A) 2.76 g/ cc If atomic bonding in metal A is weaker than metal B, then metal A has: (A) lower melting point (B) lower brittleness (C) lower electrical conductivity (D) Lower thermal expansion coefficient ...
ORGB 327 Leadership Final Exam Question and answers already passed
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