Mechanical Engineering : Thermodynamics QUESTIONS AND ANSWERS :: part2 : 11 to 15
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
11.According to Avogadro's law, for a given pressure and temperature, each molecule of a gas |
| occupies volume proportional to its molecular weight |
| occupies volume proportional to its specific weight |
| occupies volume inversely proportional to its molecular weight |
| occupies volume inversely proportional to its specific weight |
| occupies same volume. |
12.An open system is one in which |
| mass does not cross boundaries of the system, though energy may do so |
| neither mass nor energy crosses the boundaries of the system |
| both energy and mass cross the boundaries of the system |
| mass crosses the boundary but not the energy |
| thermodynamic reactions do not occur. |
13.Work done in a free expansion process is |
| + ve |
| -ve |
| zero |
| maximum |
| minimum. |
14.Properties of substances like pressure, temperature and density, in thermodynamic coordinates are |
| path functions |
| point functions |
| cyclic functions |
| real functions |
| thermodynamic functions. |
15.The same volume of all gases would represent their |
| densities |
| specific weights |
| molecular weights |
| gas characteristic constants |
| specific gravities. |
More Thermodynamics QUESTIONS AND ANSWERS available in next pages
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