Consider subsonic flow in a converging nozzle with specified conditions at the nozzle inlet and critical pressure at the nozzle exit. What is the effect on the exit pressure of dropping the back pressure well below the critical pressure? Type in the letter corresponding to your answer.a$)$ The pressure increases.b$)$ The pressure decreases.c$)$ There will be no effect on pressure.d$)$ The pressure becomes the stagnation pressuree$)$ The pressure becomes zerof$)$ None of the aboveKM