Engineering Thermodynamics In a Carnot cycle, heat is transferred at Constant temperature Constant enthalpy Constant pressure Constant volume Constant temperature Constant enthalpy Constant pressure Constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Isochoric process is one in which No mechanical work is done by the system Free expansion takes place All parameters remain constant Very little mechanical work is done by the system No mechanical work is done by the system Free expansion takes place All parameters remain constant Very little mechanical work is done by the system 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 Does some external work during expansion Increases the internal energy of the gas Both (B) and (C) Increases the temperature of the gas Does some external work during expansion Increases the internal energy of the gas 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 V/T = constant, if p is kept constant T/P = constant, if v is kept constant P v = constant, if T is kept constant P/T = constant, if v is kept constant V/T = constant, if p is kept constant T/P = constant, if v is kept constant P v = constant, if T is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant) mR (T2 - T1) mcp (T2 + T1) mcp (T2 - T1) mcv (T2 - T1) mR (T2 - T1) mcp (T2 + T1) mcp (T2 - T1) mcv (T2 - T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The main cause for the irreversibility is Heat transfer with a finite temperature difference All of these Unrestricted expansion Mechanical and fluid friction Heat transfer with a finite temperature difference All of these Unrestricted expansion Mechanical and fluid friction ANSWER DOWNLOAD EXAMIANS APP
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