help asap thanks INME 4045 General The Final Exam Open-book Final exam worth 150

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INME 4045 General The Final Exam Open-book Final exam worth 150 points 1-(30 points). Below are some trae or statements that must carefully be revised before you state either 1.1 A perfectly fitting pot and its lid often stick after cooking as a r inside as the temperature easy way of removing the lid is to reheat created saturation pressure inside the pan drops. An n the temperature rises to boiling level, and thus the corresponding the food. Whe rises to atmospheric value and thus the lid will come right off. True False ans liquid at a specified temperature or pressure and it can be determined from hg-hg h term hg represents the amount of energy needed to vaporize a unit mass of saturated True -False 1.3 All gases have the same compressibility factor Z at the same reduced temperature and where the reduced pressure is the pressure normalized with respect to the critical pressure and reduced temperature is the temperature normalized with respect to the critical temperature. Despite that Z indicates how accurate the Ideal Gas Law is, it also can serve asa correction factor for the Ideal Gas Equation. True False 1.4 Heat conduction in a medium is said to be steady when the temperature varies with time. False True 1.5 The greater the specific volume of a substance at a constant pressure and temperature greater the density False True at conduction is due to collisions of molecules during motion. 1.6 In solids, he False True

Explanation / Answer

Solution:

1.2 TRUE (Answer)

Reason: hfg is called latent heat of evaporation = hg -hf

1.4 FALSE (Answer)

Reason: When temperature varies with time, heat conduction is called transient heat conduction.

1.5 FALSE (Answer)

Reason: We know that specific volume = Volume / Mass = 1 / Density

As specific volume is inversely proportional to density, so greater the specific volume, lower the density.

1.6 TRUE (Answer)

Reason: In solids, conduction is mediated by the combination of vibrations and collisions of molecules, of propagation and collisions of phonons, and of diffusion and collisions of free electrons.

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