Question 10 As steam flows through a multi stage rotating turbine blades: Both v

Question

Question 10 As steam flows through a multi stage rotating turbine blades: Both velocity and pressure decrease Velocity decreases but pressure remains constant Velocity increases but pressure remains constant Both velocity and pressure increase Question 11 In a diffuser of a centrifugal compressor the stagnation temperature of the fluid does not change (To3 To2) because: There is no work and no heat transfer There is work but no heat transfer There is heat transfer but no work There are friction losses but no heat transfer Question 12 When the high pressure and high temperature gas flows through the diffuser: The Mach number increases The velocity increases The temperature decreases The pressure increases Question 13 What is the basic difference between gas turbines and hydraulic turbines? Hydraulic turbines are power producing but gas turbines are power consuming machines Gas turbines may use air but hydraulic turbines use steam as operating fluid Gas turbines are power producing but hydraulic turbines are power consuming machines Gas turbines may use air but hydraulic turbines use water as operating fluid

Explanation / Answer

10. Velocty increaes but pressure remains constant

11. There is work but no heat transfer

12. The Pressure increases (It is just Reverse function of Nozzle)

13. Gas turbines may use air but hydraulic turbines use water as operating fluid

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.