You need to analyze the operation and performance of a four-stroke, spark-ignition internal combustion engine (automobile engine). a)-would you analyze the engine as an open system or a closed system? b)-how many properties of the engine exhaust would you need to measure in order to determine the thermodynamic state of the exhaust gas? c)-identify a set of properties of the exhaust gas that you might measure to establish its state d)-are these properties intensive or extensive?

The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false

Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines

Consider a large isothermal enclosure that is maintained at a uniform temperature of 2000 k. calculate the emissive power of the radiation that emerges from a small aperture on the enclosure surface. what is the wavelength ? , below which 10% of the emission is concentrated? what is the wavelength ? 2 above which 10% of the emission is concentrated? determine the wavelength at which maximum spectral emissive power occurs. what is the irradiation incident on a small object placed inside the enclosure?