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This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Energy Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
What type of cross sections does wind turbine blades have? |
A. | Penta hedral cross section |
B. | Air foiled type cross section |
C. | Radar cross section |
D. | Turbo cross section |
Answer» C. Radar cross section | |
2. |
Turbines with how many propellers are used in order to avoid vibrations? |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» D. 4 | |
3. |
With upto how many propellers can windmills are built? |
A. | 4 |
B. | 2 |
C. | 7 |
D. | 6 |
Answer» E. | |
4. |
Which type of wind mills blade are made out of cloth? |
A. | Horizontal axis with two aerodynamic blades |
B. | Horizontal axis propeller type wind mill |
C. | Horizontal axis multi bladed type wind mill |
D. | Sail type wind mill |
Answer» E. | |
5. |
Which windmill blades are made by an array of wooden slats? |
A. | Horizontal axis with two aerodynamic blades |
B. | Horizontal axis propeller type wind mill |
C. | Horizontal axis multi bladed type wind mill |
D. | Horizontal axis wind mill Dutch type |
Answer» E. | |
6. |
The rotor blades are continuously flexed by unsteady aerodynamic gravitational and inertia loads. |
A. | True |
B. | False |
Answer» B. False | |
7. |
WITH_UPTO_HOW_MANY_PROPELLERS_CAN_WINDMILLS_ARE_BUILT??$ |
A. | 4 |
B. | 2 |
C. | 7 |
D. | 6 |
Answer» E. | |
8. |
What type of cross sections does wind turbine blades have?$ |
A. | Penta hedral cross section |
B. | Air foiled type cross section |
C. | Radar cross section |
D. | Turbo cross section |
Answer» C. Radar cross section | |
9. |
Turbines_with_how_many_propellers_are_used_in_order_to_avoid_vibrations?$ |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» D. 4 | |
10. |
What does WECS stands for? |
A. | Wind energy conversion system |
B. | Wind engine control system |
C. | Wind energy combined system |
D. | Wind engine comparison system |
Answer» B. Wind engine control system | |
11. |
What does TSR stand for in design consideration of wind mills? |
A. | Tip speed ratio |
B. | Torque-synchronous ratio |
C. | Tip suspension ratio |
D. | Temporary speed restriction |
Answer» B. Torque-synchronous ratio | |
12. |
Which type of windmill has better performance? |
A. | Vertical type wind mills |
B. | Darrieus type machines |
C. | Magnus effect rotor |
D. | Horizontal type windmills |
Answer» E. | |
13. |
Which type of windmill blades are made out of sheet metal or aluminum? |
A. | |
B. | Horizontal axis with two aerodynamic blades |
C. | Horizontal axis propeller type wind mill |
Answer» D. | |
14. |
Which type of the following consists of single blade? |
A. | Horizontal axis with two aerodynamic blades |
B. | Horizontal axis propeller type wind mill |
C. | Horizontal axis multi bladed type wind mill |
D. | Sail type wind mill |
Answer» C. Horizontal axis multi bladed type wind mill | |
15. |
The rotor blades are continuously flexed by unsteady aerodynamic gravitational and inertia loads? |
A. | True |
B. | False |
Answer» B. False | |
16. |
In which of the following, does machine rotor drives through a step up gear box? |
A. | Horizontal axis with two aerodynamic blades |
B. | Horizontal axis propeller type wind mill |
C. | Horizontal axis multi bladed type wind mill |
D. | Sail type wind mill |
Answer» B. Horizontal axis propeller type wind mill | |