Engineering Thermodynamics The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is Greater than one Less than one Equal to one None of these Greater than one Less than one Equal to one None of these 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 All of these The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All the processes, taking place in the cycle of operation, must be extremely slow All of these The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called Charles' law Gay-Lussac law Boyle's law Joule's law Charles' law Gay-Lussac law Boyle's law Joule's law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Reversed joule cycle is called Carnot cycle Rankine cycle Brayton cycle Bell Coleman cycle Carnot cycle Rankine cycle Brayton cycle Bell Coleman cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 5 to 8 3 to 6 10 to 20 15 to 30 5 to 8 3 to 6 10 to 20 15 to 30 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Energy can neither be created nor destroyed but can be converted from one form to other is inferred from First law of thermodynamics Basic law of thermodynamics Second law to thermodynamics Zeroth low of thermodynamic First law of thermodynamics Basic law of thermodynamics Second law to thermodynamics Zeroth low of thermodynamic ANSWER DOWNLOAD EXAMIANS APP