Chemical Engineering Thermodynamics Which law of the thermodynamics provids basis for measuring the thermodynamic property? Zeroth law Third law Second law First law Zeroth law Third law Second law First law ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Choose the condition that must be specified in order to liquify CO₂ (triple point for CO₂ is - 57°C and 5.2 atm). Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The following heat engine produces power of 100000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is 320, 000 kW 100, 000 kW 200, 000 kW 160, 000 kW 320, 000 kW 100, 000 kW 200, 000 kW 160, 000 kW ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in temperature, the internal energy of a substance Remains unchanged Increases May increase or decrease; depends on the substance Decreases Remains unchanged Increases May increase or decrease; depends on the substance Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A gas can be liquified by pressure alone only, when its temperature is __________ its critical temperature. Equal to or higher than Less than Less than or equal to More than Equal to or higher than Less than Less than or equal to More than ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Boyle's law for gases states that P/V = constant, for any gas P ∝ 1/V, when temperature & mass of the gas remain constant P ∝ V, at constant temperature & mass of the gas P ∝ 1/V, when temperature is constant P/V = constant, for any gas P ∝ 1/V, when temperature & mass of the gas remain constant P ∝ V, at constant temperature & mass of the gas P ∝ 1/V, when temperature is constant ANSWER DOWNLOAD EXAMIANS APP
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