Questions and answers for exam Preparation

MCQs

Total Questions : 192 | Page 17 of 20 pages

Question 161. How does the output power vary between cut-in speed and the rated speed?

cubically
linearly
square
exponential

Discuss Question

Answer: Option A. -> cubically
Answer: (a).cubically

Question 162. Which of the following does the local air density depend upon?

Soil
Lightning
Altitude and pressure
Nitrogen and oxygen

Discuss Question

Answer: Option C. -> Altitude and pressure
Answer: (c).Altitude and pressure

Question 163. What is the cut-out speed?

Wind turbine starts generating output power
Wind turbine must be shut down
Wind turbine stops functioning
Wind turbine starts functioning but does not generate output power

Discuss Question

Answer: Option B. -> Wind turbine must be shut down
Answer: (b).Wind turbine must be shut down

Question 164. Power output is not related to the local air density.

True
False
May be True or False
Can't say

Discuss Question

Answer: Option B. -> False
Answer: (b).False

Question 165. Higher air density leads to higher power output.

True
False
May be True or False
Can't say

Discuss Question

Answer: Option A. -> True
Answer: (a).True

Question 166. Trade winds ______

do not maintain a constant direction but blow steadily
maintain a constant direction but do not blow steadily
maintain a constant direction and blow steadily
shrinking technique

Discuss Question

Answer: Option C. -> maintain a constant direction and blow steadily
Answer: (c).maintain a constant direction and blow steadily

Question 167. Which of the following are examples of periodic winds?

Gusts
Windstorm
Westerly winds
Monsoons, land and sea breeze, mountain and valley breeze

Discuss Question

Answer: Option D. -> Monsoons, land and sea breeze, mountain and valley breeze
Answer: (d).Monsoons, land and sea breeze, mountain and valley breeze

Question 168. What are periodic winds?

Westerly winds
Winds that do not change their direction periodically with the change in season
Winds that change their direction periodically with the change in season
Trade winds

Discuss Question

Answer: Option C. -> Winds that change their direction periodically with the change in season
Answer: (c).Winds that change their direction periodically with the change in season

Question 169. Westerly winds of Southern Hemisphere ______

weaker and maintain a constant direction than its counterpart in Northern Hemisphere
are stronger and maintain a constant direction than its counterpart in Northern Hemisphere are
are stronger but do not maintain a constant direction than its counterpart in Northern Hemisphere
blow from equatorial low pressure areas to sub-tropical high pressure areas

Discuss Question

Answer: Option B. -> are stronger and maintain a constant direction than its counterpart in Northern Hemisphere are
Answer: (b).are stronger and maintain a constant direction than its counterpart in Northern Hemisphere are

Question 170. What are westerly winds?

Winds blowing from sub-tropical high pressure areas to sub-polar low pressure areas
Winds that trade with each other
Winds blowing from equatorial high pressure areas to sub-tropical low pressure areas
Winds blowing from equatorial low pressure areas to sub-tropical high pressure areas

Discuss Question

Answer: Option A. -> Winds blowing from sub-tropical high pressure areas to sub-polar low pressure areas
Answer: (a).Winds blowing from sub-tropical high pressure areas to sub-polar low pressure areas