Wind Energy multiple choice questions

 Wind Energy

1. _____ force is responsible for forcing the global winds towards westernly direction.
a) Coriolis
b) Gravitational
c) Centripetal
d) Centrifugal
Answer: Coriolis
2. Uneven heating occurs on land surface and water bodies are due to _____
a) Air Currents
b) Solar radiation
c) Lunar eclipse
d) None of the above
Answer: Solar radiation
 3. The wind intensity can be described by
a)  Reynolds number
b) Mach number
c) Beaufort number
d) Froude number
Answer: Beaufort number
4. Winds having following speed are suitable to operate wind turbines.
a) 5 – 25m/s
b) 10 – 35m/s
c) 20 – 45m/s
d) 30 – 55m/s
Answer: 5 – 25m/s
5. The following is (are) the classification of winds
a) Global wind
b) Local wind
c) both (a) and (b)
d) None of the above
Answer: both (a) and (b)
6. The amount of energy available in the wind at any instant is proportional to ___ of the wind speed.
a) Square root power of two
b) Square root power of three
c) Square power
d) Cube power
Answer: Cube power 
6. Global Cold wind move from
a) Polar to equatorial region
b) Equatorial to polar region
c) Equatorial to oceanic region
d) Oceanic to Equatorial region
Answer: Polar to equatorial region
7. Global winds towards westernly direction are known as
a) Trade winds
b) Western winds
c) Eastern winds
d) None of the above
Answer: Trade winds
8. The following factor(s) affects the distribution of wind energy
a) Mountain chains
b) The hills, trees and buildings
c) Frictional effect of the surface
d) All of the above
Answer: All of the above
9. Global Cold wind generated from Oceans moves to
a) Mountains
b) Equator
c) Plain areas
d) Poles
Answer: Plain areas
10. Wind energy is harnessed as ______ energy with the help of windmill or turbine.
a) Mechanical
b) Solar
c) Electrical
d) Heat
Answer: Mechanical
 

Comments