Engineering Thermodynamics Second law of thermodynamics defines Work Internal energy Entropy Heat Work Internal energy Entropy Heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In closed cycle gas turbine, the air is compressed Isothermally Polytropically Isentropically None of these Isothermally Polytropically Isentropically None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics During which of the following process does heat rejection takes place in Carnot cycle? Isothermal expansion Isothermal compression Isentropic expansion Isentropic compression Isothermal expansion Isothermal compression Isentropic expansion Isentropic compression ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Joule cycle is Less than Carnot cycle Greater than Carnot cycle Equal to Carnot cycle None of these Less than Carnot cycle Greater than Carnot cycle Equal to Carnot cycle None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is The working parts of the engine must be friction free 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 All of these The working parts of the engine must be friction free 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition of perfect vacuum, i.e., absolute zero pressure can be attained at A temperature of 273 °K A temperature of 0°C A negative pressure and 0°C temperature A temperature of - 273.16°C A temperature of 273 °K A temperature of 0°C A negative pressure and 0°C temperature A temperature of - 273.16°C ANSWER DOWNLOAD EXAMIANS APP
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