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) (v1 + v2)/v2 v1/v2 (v1 + v2)/v1 v2/v1 (v1 + v2)/v2 v1/v2 (v1 + v2)/v1 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics On weight basis, air contains following parts of oxygen 21 25 23 73 21 25 23 73 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero pressure can be attained at a temperature of -273°C None of these 0°C 273 K -273°C None of these 0°C 273 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of energy is S. I. units is Watt (W) Joule/meter (J/m) Joule (J) Joule meter (Jm) Watt (W) Joule/meter (J/m) Joule (J) Joule meter (Jm) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant volume Both temperature and pressure will increase Its temperature will increase Its pressure will increase Neither temperature nor pressure will increase Both temperature and pressure will increase Its temperature will increase Its pressure will increase Neither temperature nor pressure will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called Second law of thermodynamics First law of thermodynamics Zeroth law of thermodynamics Kelvin Planck's law Second law of thermodynamics First law of thermodynamics Zeroth law of thermodynamics Kelvin Planck's law ANSWER DOWNLOAD EXAMIANS APP
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