Engineering Thermodynamics A closed system is one in which Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a Carnot engine depends on Size of engine Design of engine Temperatures of source and sink Working substance Size of engine Design of engine Temperatures of source and sink Working substance ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following items is not a path function? Thermal conductivity Kinetic energy Work Heat Thermal conductivity Kinetic energy Work Heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following gas has a minimum molecular mass? Nitrogen Hydrogen Methane Oxygen Nitrogen Hydrogen Methane Oxygen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a gas turbine is given by (Net work output)/(Heat supplied) (Actual temperature drop)/(Isentropic temperature drop) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Work-done by the turbine) (Net work output)/(Heat supplied) (Actual temperature drop)/(Isentropic temperature drop) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Work-done by the turbine) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The statement that molecular weights of all gases occupy the same volume is known as Dalton's law Gas law Law of thermodynamics Avogadro's hypothesis Dalton's law Gas law Law of thermodynamics Avogadro's hypothesis ANSWER DOWNLOAD EXAMIANS APP