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Steam and Gas Turbines Practice Test: Turbine Blade Profile
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Avg score: 56% • Most missed: “In vortex fluid flow velocity is ______________ to the distance from the axis li…”
Turbine Blade Profile topics include: Turbine, impulse and reaction blade profiles, blade entrance and exit angles, losses and geometry of impulse blade profiles and passages, gauging and pitch and free and forced vertex. Steam turbine blades are critical components in power plants. They convert the linear motion of high temperature and high pressure steam into a rotary motion of the turbine shaft.  Here are some things to know about turbine blade profiles: The leading edge is where the gas flow enters the profile while the trailing edge is where the gas leaves the profile. The specific... Show more
Steam and Gas Turbines Practice Test: Turbine Blade Profile
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25 Questions

1. In reaction turbine direction of fluid flow is maintained by _______
2. Blade exit angle is represented by _______
3. Reaction turbine blades are _________
4. Centrifugal forces acts in ________
5. The length of perpendicular line drawn from the highest point of the blade to the chord is called as ______
6. Ram Air turbine generates ________ from air stream.
7. Losses occurred while passing through blades are called as ________
8. In forced vortex all fluid particles rotate with the ________________
9. Blade entrance angle is represented by _________
10. Angle made by the relative velocity vector entering the fixed blades to the horizontal line is called as ____________
11. Viscous friction in the fluid causes the flow to become vortex.
12. Angle made by relative velocity vector with horizontal line is called as __________
13. For radial equilibrium flow radial component must be _______ along the radial direction of flow.
14. Angle between chord and turbine rotation is called as _________
15. Losses that occur when steam is supplied from boiler to turbine is called as ___________
16. Different pressures are maintained on ________ sides of reaction turbine blades.
17. Blade exit angle is a measure for _________
18. Velocity coefficient can be applied for __________ blade passage.
19. In a fluid with constant density Vortex flow pressure is proportional to ________
20. Radial equilibrium theory assumes that flow is in equilibrium before and after the fluid entering the blade.
21. Vorticity is _______ in the core region.
22. Ram Air turbine can be connected to hydraulic pump.
23. Difference between actual enthalpy of working fluid to case enthalpy of isoentropic flow is called as _______
24. A ___________ drawn from the head of turbine blade to tail is called as chord.
25. Passages in steam turbines are _______

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