Definition check: back pressure at nozzle exit Statement to judge: “The pressure at which the steam leaves the nozzle is known as the back pressure.” Choose whether the statement is correct or incorrect.
Mechanical Engineering
Steam Nozzles and Turbines
Difficulty: Easy
Choose an option
-
AAgree (the statement is correct)
-
BDisagree (the statement is incorrect)
-
CTrue only for convergent–divergent nozzles
-
DTrue only for impulse stages
Answer
Correct Answer: Agree (the statement is correct)
Explanation
Concept/Approach
- Back pressure is the pressure existing in the receiving space (e.g., condenser or next stage) into which the nozzle discharges; the nozzle exit pressure equals this back pressure in steady operation.
Final AnswerAgree — the exit pressure equals the back pressure.