a) A nozzle is a device that is used to increase the velocity of a fluid by varying the cross-sectional area. At the last section of a jet engine (Fig Q1.a, section 5), air with a mass flow rate of 50...

a) A nozzle is a device that is used to increase the velocity of a fluid by varying the cross-sectional area. At the last section of a jet engine (Fig Q1.a, section 5), air with a mass flow rate of 50 kg/s at a pressure of 500 kPa and a temperature of 600 K enters a nozzle with an inlet cross-sectional area of 5 m2. The exit area of the nozzle is 20% of its inlet area. The air leaves the nozzle at a velocity of 300 m/s. The nozzle is not well-insulated and during this process, 5 kJ/kg heat is lost.
Figure Q1.a: Schematic of a Jet engine.
(i) In analysing this nozzle using the 1st law of thermodynamics, the change in which type of energy is negligible?
(ii) Determine the density and velocity of the air entering the
nozzle.
(iii) Calculate the density of the air as it leaves the nozzle.
l
(iv) Determine the temperature of the air as it leaves the nozzle. (
(v) Calculate the pressure of the air as it leaves the nozzle

Only solve V please

Extracted text: velocity of 300 m/s. The nozzle is not well-insulated and during this process, 5 kJ/kg heat is lost. Air No. Name 1 Diffuser 2 Compressor Combustion chamber 4 Turbine Nozzle 4 Figure Q1.a: Schematic of a Jet engine.