Engineering Thermodynamics A process of heating crude oil to a high temperature under a very high pressure to increase the yield of lighter distillates, is known as Cracking Carbonization Fractional distillation Full distillation Cracking Carbonization Fractional distillation Full distillation 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 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 the processes, taking place in the cycle of operation, must be extremely slow All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle efficiency is maximum when Initial temperature is 0°K Difference between initial and final temperature is 0°K Final temperature is 0°K Final temperature is 0°C Initial temperature is 0°K Difference between initial and final temperature is 0°K Final temperature is 0°K Final temperature is 0°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to First law of thermodynamics, Total internal energy of a system during a process remains constant Internal energy, enthalpy and entropy during a process remain constant Total energy of a system remains constant Work-done by a system is equal to the heat transferred by the system Total internal energy of a system during a process remains constant Internal energy, enthalpy and entropy during a process remain constant Total energy of a system remains constant Work-done by a system is equal to the heat transferred by the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is May be possible with lot of sophistications Cost will be very high Theoretically possible Not possible May be possible with lot of sophistications Cost will be very high Theoretically possible Not possible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The following cycle is used for air craft refrigeration Reversed Brayton cycle Carnot cycle Joule cycle Brayton cycle Reversed Brayton cycle Carnot cycle Joule cycle Brayton cycle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS