Answer: The correct answer is option c.
Explanation:
The main function of turbine in the turbojet engine is to compress the air.
The air in front of the turbines is sucked in by the engine with help of fans.And this air is then compressed so as to increase the pressure of the gas.
This compressed gas is then sprayed along with fuel and electric spark lights the mixture. Then this burning gas moves out from the nozzle with high speed due to which turbojet moves forward.
