Term
|
1. The most common type of wind turbine is a_______
A. HAWT
B.VAWT
C. neither of these. |
|
Definition
|
|
Term
2. A turbine where the wind blows past the blades first is an
A. Downwind
B. Upwind
C. neither of these |
|
Definition
|
|
Term
3. A turbine where the wind blows past the generator first is an
A. Downwind
B. Upwind
C. neither of these |
|
Definition
|
|
Term
4. Which of the following is not an advantage of a HAWT.
A. Cannot take advantage of wind at higher altitudes.
B. Can be used for commercial power
C. More efficient. |
|
Definition
| A. Cannot take advantage of wind at higher altitudes. |
|
|
Term
5. Which of the following is a disadvantage of a HAWT
A. Not omnidirectional
B. Difficult to service
C. Both of these |
|
Definition
|
|
Term
6. When a fantail is used to change the direction of a turbine it is known
A. Active yaw
B. Passive yaw |
|
Definition
|
|
Term
7. When an electric motor is used to change the direction of a turbine it is known
A. Active yaw
B. Passive Yaw |
|
Definition
|
|
Term
8. Most HAWT have ______ (number) of blade(s).
A. 1
B. 2
C. 3
D. 4 |
|
Definition
|
|
Term
9. A turbine with this number of blade(s) will need a massive counter weight.
A. 1
B. 2
C. 3
D. 4 |
|
Definition
|
|
Term
10. The most efficient turbines have _____________ (number) blade(s)
A. 1
B. 2
C. 3 |
|
Definition
|
|
Term
11. This type of tower is the least expensive
A. Freestanding monopole
B. Guyed monopole
C. Freestanding lattice
D. Guyed lattice |
|
Definition
|
|
Term
12. This type of tower has the largest footprint
A. Freestanding monopole
B. Guyed monopole
C. Freestanding lattice
D. Guyed lattice |
|
Definition
|
|
Term
13. This type of tower is used best with turbines of less than 12 foot diameter swept area
A. Freestanding monopole
B. Guyed monopole
C. Freestanding lattice
D. Guyed lattice |
|
Definition
|
|
Term
14. This type of tower $can be lowered to service.
A. Freestanding monopole
B. Guyed monopole
C. Freestanding lattice
D. Guyed lattice |
|
Definition
|
|
Term
15. This type of tower is usually erected with a crane
A. Freestanding monopole
B. Guyed monopole
C. Freestanding lattice
D. Guyed lattice |
|
Definition
|
|
Term
16. This type of tower has the smallest footprint
A. Freestanding monopole
B. Guyed monopole
C. Freestanding lattice
D. Guyed lattice |
|
Definition
Freestanding monopole
Freestanding lattice |
|
|
Term
17. These two types of towers were used in early wind farms.
A. Freestanding monopole
B. Guyed monopole
C. Freestanding lattice
D. Guyed lattice |
|
Definition
Freestanding lattice
Guyed lattice |
|
|
Term
Discuss an advantage ofa HAWT
|
|
Definition
| VERY EFFICIENT CAN TAKE ADVANTAGE OF HIGH ALTITUDE WINDS |
|
|
Term
| Discuss a disadvantage of a HAWT |
|
Definition
Hard to service
and not omnidirectional |
|
|
Term
| Discuss the advantages of a three bladed turbine |
|
Definition
|
|
Term
| Describe the difference between a freestanding and guyed tower. |
|
Definition
|
|
Term
|
Definition
1. I BLades
2. G Nacelle or housing
3. A Generator
4. H Hub
5. D Main shaft
6. C High Speed shaft |
|
|
