Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) v2/v1 (v1 + v2)/v1 (v1 + v2)/v2 v1/v2 v2/v1 (v1 + v2)/v1 (v1 + v2)/v2 v1/v2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant volume Its pressure will increase Both temperature and pressure will increase Neither temperature nor pressure will increase Its temperature will increase Its pressure will increase Both temperature and pressure will increase Neither temperature nor pressure will increase Its temperature will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is -140 kJ -40 kJ +60 kJ -80 kJ -140 kJ -40 kJ +60 kJ -80 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an extensive property of a thermodynamic system None of the listed here Extensive work is done Extensive energy is utilized Extensive heat is transferred None of the listed here Extensive work is done Extensive energy is utilized Extensive heat is transferred ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called Gay-Lussac law Boyle's law Charles' law Joule's law Gay-Lussac law Boyle's law Charles' law Joule's law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained in a unit volume of gas. Two-third One-half One-third Three-forth Two-third One-half One-third Three-forth ANSWER DOWNLOAD EXAMIANS APP
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