Engineering Thermodynamics The unit of energy is S. I. units is Joule/meter (J/m) Watt (W) Joule (J) Joule meter (Jm) Joule/meter (J/m) Watt (W) Joule (J) Joule meter (Jm) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? All of these There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source All of these There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy Increases First increases and then decreases Decreases Remain constant Increases First increases and then decreases Decreases Remain constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Extensive property of a system is one whose value Is not dependent on the path followed but on the state Depends on the mass of the system like volume Is dependent on the path followed and not on the state Does not depend on the mass of the system, like temperature, pressure, etc. Is not dependent on the path followed but on the state Depends on the mass of the system like volume Is dependent on the path followed and not on the state Does not depend on the mass of the system, like temperature, pressure, etc. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The variables which control the physical properties of a perfect gas are Temperature of the gas All of these Volume occupied by the gas Pressure exerted by the gas Temperature of the gas All of these Volume occupied by the gas Pressure exerted by the gas 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) mcv (T2 - T1) mcp (T2 - T1) mR (T2 - T1) mcp (T2 + T1) mcv (T2 - T1) mcp (T2 - T1) mR (T2 - T1) mcp (T2 + T1) ANSWER DOWNLOAD EXAMIANS APP
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