Engineering Thermodynamics The compression ratio for petrol engines is 5 to 8 3 to 6 15 to 30 10 to 20 5 to 8 3 to 6 15 to 30 10 to 20 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Petrol is distilled at 65° to 220°C 470° to 550°C 345° to 470°C 220° to 345°C 65° to 220°C 470° to 550°C 345° to 470°C 220° to 345°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat and mechanical energies are mutually convertible. This statement was established by Charles Joule Boyle None of these Charles Joule Boyle None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is 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 All the processes, taking place in the cycle of operation, must be extremely slow ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero temperature is taken as 237°C 273°C -237°C -273°C 237°C 273°C -237°C -273°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant Volume Temperature Pressure Internal energy Volume Temperature Pressure Internal energy ANSWER DOWNLOAD EXAMIANS APP
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