Engineering Thermodynamics First law of thermodynamics Does not enable to determine change in entropy Enables to determine change in internal energy of the system Provides relationship between heat, work and internal energy All of these Does not enable to determine change in entropy Enables to determine change in internal energy of the system Provides relationship between heat, work and internal energy All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 3 to 6 10 to 20 5 to 8 15 to 30 3 to 6 10 to 20 5 to 8 15 to 30 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas. None of these Both (A) and (B) Change Do not change None of these Both (A) and (B) Change Do not change ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Boyle's law i.e. pV = constant is applicable to gases under All ranges of pressures Steady change of pressures Only small range of pressures High range of pressures All ranges of pressures Steady change of pressures Only small range of pressures High range of pressures ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The more effective way of increasing efficiency of Carnot engine is to Decrease higher temperature Increase higher temperature Decrease lower temperature Increase lower temperature Decrease higher temperature Increase higher temperature Decrease lower temperature Increase lower temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is Multiplied by its specific weight Multiplied by its density Multiplied by its molecular weight Divided by its molecular weight Multiplied by its specific weight Multiplied by its density Multiplied by its molecular weight Divided by its molecular weight ANSWER DOWNLOAD EXAMIANS APP