Engineering Thermodynamics Which of the following processes are thermodynamically reversible? Throttling Free expansion Isothermal and adiabatic Constant volume and constant pressure Throttling Free expansion Isothermal and adiabatic Constant volume and constant pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The increase in entropy of a system represents Increase in temperature Degradation of energy Increase in availability of energy Decrease in pressure Increase in temperature Degradation of energy Increase in availability of energy Decrease in pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the expansion or compression takes place according to the law pvn = C, the process is known as Isothermal process Adiabatic process Hyperbolic process Polytropic process Isothermal process Adiabatic process Hyperbolic process Polytropic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The fuel mostly used in blast furnace for extracting pig iron from iron ores is Soft coke Hard coke Bituminous coal Pulverized coal Soft coke Hard coke Bituminous coal Pulverized coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant) 2 Ru × T 1.5 Ru × T Ru × T 3 Ru × T 2 Ru × T 1.5 Ru × T Ru × T 3 Ru × T 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 Joule's law Boyle's law Charles' law Gay-Lussac law Joule's law Boyle's law Charles' law Gay-Lussac law ANSWER DOWNLOAD EXAMIANS APP
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