Test your technical skills on wind power with our objective questions and answers with an online practice examination.
Wind Power Objective Questions
The below-mentioned multiple choice questions and answers on Wind power.
Maximum wind energy available is proportional to:
A. Air density
B. Cube of wind velocity
C. Square of the rotor diameter
D. All the above
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Answer: D
Theoretical maximum efficiency of wind power is about
A. 30%
B. 48%
C. 59%
D. 65%
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Answer: C
Which type of wind mills are termed as ‘‘cross-wind axis’’ machines:
A. Horizontal axis wind mills
B. Vertical axis wind mills
C. Both (A) and (B)
D. None of the above
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Answer: B
The drawbacks of wind energy is:
A. Unreliability an non-steadiness
B. Output voltage and frequency fluctuations
C. Can affect the bird life
D. All the above
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Answer: B
The kinetic energy per unit volume is given by where ρ is the density of the air and v is the velocity of wind in m/sec
A. 0.5xρxV2
B. ρxV2
C. 2xρxV2
D. 4xρxV2
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Answer: A