Engineering Thermodynamics Which of the following processes are thermodynamically reversible? Constant volume and constant pressure Isothermal and adiabatic Free expansion Throttling Constant volume and constant pressure Isothermal and adiabatic Free expansion Throttling ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is All the processes, taking place in the cycle of operation, must be extremely slow The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process The working parts of the engine must be friction free All of these All the processes, taking place in the cycle of operation, must be extremely slow The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process The working parts of the engine must be friction free All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy First increases and then decreases Increases Decreases Remain constant First increases and then decreases Increases Decreases Remain constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be Zero Maximum Minimum Infinity Zero Maximum Minimum Infinity ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The universal gas constant (or molar constant) of a gas is the product of Molecular mass of the gas and the specific heat at constant pressure Atomic mass of the gas and the gas constant Molecular mass of the gas and the specific heat at constant volume Molecular mass of the gas and the gas constant Molecular mass of the gas and the specific heat at constant pressure Atomic mass of the gas and the gas constant Molecular mass of the gas and the specific heat at constant volume Molecular mass of the gas and the gas constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition of perfect vacuum, i.e., absolute zero pressure can be attained at A negative pressure and 0°C temperature A temperature of 273 °K A temperature of - 273.16°C A temperature of 0°C A negative pressure and 0°C temperature A temperature of 273 °K A temperature of - 273.16°C A temperature of 0°C ANSWER DOWNLOAD EXAMIANS APP
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