Week 3 Quiz

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National University College *

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320

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Mechanical Engineering

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Feb 20, 2024

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21 / 25 = 84% Week Three: Essential Skills Activity Quiz: Thermodynamics Concepts Attempt Score 21 / 25 - 84 % Overall Grade (Highest Attempt) 21 / 25 - 84 % stion 1 3 / 3 po Temperature is a measure of atomic and molecular kinetic energy of a substance. True False Question 2 2 / 2 points Rankine is an English temperature scale. True False Question 3 2 / 2 points Celsius is an English temperature scale. True False Hide question 3 feedback Celsius is an SI temperature scale. Attempt Score Overall Grade (Highest Attempt)
n 4 2 / Absolute zero is 0 K. True False Question 5 2 / 2 points Water boils at 100 K. True False Hide question 5 feedback Water boils at 100 degrees C. n 6 2 / To convert temperatures in degrees Fahrenheit to degrees Celsius, multiple degrees Celsius by 1.8. True False Hide question 6 feedback To convert temperatures in degrees Fahrenheit to degrees Celsius, multiple degrees Celsius by 1.8 and add 32. T (°F) = 1.8 T (°C) + 32 n 7 0 / To convert temperatures in degrees Celsius to Kelvin, add 273 to degrees Kelvin. True False Question 8 2 / 2 points
The first law of thermodynamics states that energy cannot be created or destroyed, but can only change forms. True False Question 9 2 / 2 points The second law of thermodynamics states that energy cannot be created or destroyed, but can only change forms. True False Question 10 2 / 2 points Absolute pressure is referenced to a perfect vacuum. True False Question 11 2 / 2 points Atmospheric pressure is referenced to a perfect vacuum. True False Question 12 0 / 2 points The governing equation for gauge pressure is atmospheric pressure minus absolute pressure. True False Hide question 12 feedback
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The governing equation for gauge pressure is absolute pressure minus atmospheric pressure. P   gauge   = P   abs - P   atm