Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is Positive or negative None of these Negative Positive Positive or negative None of these Negative Positive ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 10 to 20 5 to 8 3 to 6 15 to 30 10 to 20 5 to 8 3 to 6 15 to 30 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of cp/cv for air is 1.4 1.45 1 2.3 1.4 1.45 1 2.3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The gas turbine cycle with regenerator improves Avoid pollution None of these Work ratio Thermal efficiency Avoid pollution None of these Work ratio Thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The behavior of a perfect gas, undergoing any change in the variables which control physical properties, is governed by Charles' law Gay-Lussac law All of the listed here Boyle's law Charles' law Gay-Lussac law All of the listed here Boyle's law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero pressure can be attained at a temperature of 273 K 0°C None of these -273°C 273 K 0°C None of these -273°C ANSWER DOWNLOAD EXAMIANS APP