Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T1/T2) 1 + (T2/T1) (T1/T2) - 1 1 - (T2/T1) 1 - (T1/T2) 1 + (T2/T1) (T1/T2) - 1 1 - (T2/T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant pressure, the heat supplied Both (B) and (C) Increases the temperature of the gas Increases the internal energy of the gas Does some external work during expansion Both (B) and (C) Increases the temperature of the gas Increases the internal energy of the gas Does some external work during expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following quantities is not the property of the system? Specific volume Heat Pressure Temperature Specific volume Heat Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) P/T = constant, if v is kept constant P v = constant, if T is kept constant V/T = constant, if p is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant P v = constant, if T is kept constant V/T = constant, if p is kept constant T/P = constant, if v is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Measurement of temperature is based on First law of thermodynamics Zeroth law of thermodynamics Thermodynamic properties Second law of thermodynamics First law of thermodynamics Zeroth law of thermodynamics Thermodynamic properties Second law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero temperature is taken as -273°C 237°C 273°C -237°C -273°C 237°C 273°C -237°C ANSWER DOWNLOAD EXAMIANS APP
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