Engineering Board Exam Reviewer · Fluid Mechanics · medium

The specific speed of a turbine is used to:

1. Calculate head loss
2. Determine the efficiency of a pump directly
3. Measure discharge
4. Classify and select turbine types

Answer

D. Classify and select turbine types

Solution

Low Ns: Pelton; medium: Francis; high: Kaplan/propeller.

More Fluid Mechanics questions

1. In a reaction turbine, the draft tube is used to:
2. The quantity V2/2 is called the:
3. Gauge pressure readings below atmospheric pressure are referred to as:
4. A Bourdon tube gauge measures:
5. Critical flow in an open channel corresponds to:
6. The specific energy in an open channel is defined as:
7. In turbulent flow through rough pipes at very high Reynolds numbers (fully rough zone), the friction factor depends mainly on:
8. The dimensionless number most important in modeling ships, spillways and open channel flow is the:
9. The dimensionless number most important in modeling flow in closed pipes (no free surface) is the:
10. Which instrument measures discharge with the LEAST permanent head loss?

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