Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T2/T1) 1 - (T1/T2) 1 + (T2/T1) (T1/T2) - 1 1 - (T2/T1) 1 - (T1/T2) 1 + (T2/T1) (T1/T2) - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The variables which control the physical properties of a perfect gas are Pressure exerted by the gas All of these Temperature of the gas Volume occupied by the gas Pressure exerted by the gas All of these Temperature of the gas Volume occupied by the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The volumetric or molar specific heat at constant pressure is the product of Molecular mass of the gas and the specific heat at constant volume Molecular mass of the gas and the gas constant Atomic mass of the gas and the gas constant None of the listed here Molecular mass of the gas and the specific heat at constant volume Molecular mass of the gas and the gas constant Atomic mass of the gas and the gas constant None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A cycle consisting of two isothermal and two isentropic processes, is known as Joule cycle Stirling cycle Carnot cycle Ericsson cycle Joule cycle Stirling cycle Carnot cycle Ericsson cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to 1400 K 800 K 1200 K 1000 K 1400 K 800 K 1200 K 1000 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An open system is one in which Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP