POWER PLANT ENGG MCQ PART 9
Wind turbine
1-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
Ans D
2-Wind energy is harnessed as
______ energy with the help of windmill or turbine.
(A) Mechanical
(B) Solar
(C) Electrical
(D) Heat
Ans A
3-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
Ans A
4-The following is (are) the
classification of winds
(A) Global wind
(B) Local wind
(C) Both (A) and (B)
(D) None of the above
Ans C
5-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
Ans A
6-Global Cold wind generated
from Oceans moves to
(A) Mountains
(B) Equator
(C) Plain areas
(D) Poles
Ans C
7-_____ force is responsible
for forcing the global winds towards westerly direction.
(A) Coriolis
(B) Gravitational
(C) Centripetal
(D) Centrifugal
Ans A
8-Global winds towards westerly direction are known as
(A) Trade winds
(B) Western winds
(C) Eastern winds
(D) None of the above
Ans A
9-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
Ans B
10-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
Ans D
11-The wind intensity can be
described by
(A) Reynolds number
(B) Mach number
(C) Beaufort number
(D) Froude number
Ans C
12-The wind
speed is measured using an instrument called
(A) Pyranometer
(B) Manometer
(C) Anemometer
(D) Wind vane
Ans C
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