Steam Nozzle - Steam Nozzle objective type questions and answers
1. Nozzle efficiency is described as.......
A.Isentropic heat drop/useful heat drop
B.useful heat drop/isentropic heat drop
C.saturation temperature/supersaturation temperature
D.supersaturation temperature/saturation temperature
✔ View Answer
B.useful heat drop/isentropic heat drop
✍ Your Comments
2. The critical pressure ratio for initially dry saturated steam is.......
A.0.528
B.0.546
C.0.577
D.0.582
✔ View Answer
✍ Your Comments
3. The steam leaves the nozzle at a.........
A.High pressure and low velocity
B.High-pressure and high velocity
C.Low pressure and low velocity
C.Low pressure and high velocity
✔ View Answer
✍ Your Comments
4. The flow of steam in a nozzle is subsonic at......
A.Throat
B.Entrance
C.Convergent portion
D.Divergent portion
E.Convergent divergent portion
✔ View Answer
✍ Your Comments
5. In convergent nozzle velocity velocity attained is.......
A.Velocity of sound
B.Supersonic velocity
C.Around 500 m/sec
D.1000 meter/sec
✔ View Answer
✍ Your Comments