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MCQs

Total Questions : 192 | Page 2 of 20 pages
Question 11. What are horizontal wind turbines?
  1.    Wind turbines are rotate about an axis perpendicular to the plane of ground
  2.    Wind turbines are rotate about an axis diagonal to the plane of ground
  3.    Wind turbines are rotate about an axis 30 degrees to the plane of ground
  4.    Wind turbines are rotate about an axis parallel to the plane of wind streamlines
 Discuss Question
Answer: Option D. -> Wind turbines are rotate about an axis parallel to the plane of wind streamlines
Answer: (d).Wind turbines are rotate about an axis parallel to the plane of wind streamlines
Question 12. What is the main advantage of an upwind turbine?
  1.    Increased tower shadow effect
  2.    Reduced tower shadow effect
  3.    No tower shadow effect
  4.    Manufacturing
 Discuss Question
Answer: Option B. -> Reduced tower shadow effect
Answer: (b).Reduced tower shadow effect
Question 13. Which of the following is an advantage of a horizontal axis wind turbine?
  1.    Blades are to the side of turbine’s center of gravity
  2.    Blades are parallel to the vertical axis passing through the turbine’s center of gravity
  3.    Blades are parallel to the horizontal axis passing through the turbine’s center of gravity
  4.    Blades are positioned perpendicular to the plane of the ground
 Discuss Question
Answer: Option A. -> Blades are to the side of turbine’s center of gravity
Answer: (a).Blades are to the side of turbine’s center of gravity
Question 14. What is an upwind turbine?
  1.    Rotor of the turbine is behind the unit
  2.    Rotor of the turbine is in front of the unit
  3.    Rotor is positioned at the bottom of the tower
  4.    Rotor is positioned at the center of the tower
 Discuss Question
Answer: Option B. -> Rotor of the turbine is in front of the unit
Answer: (b).Rotor of the turbine is in front of the unit
Question 15. What is the main disadvantage of an upwind turbine?
  1.    Increased tower shadow effect
  2.    Reduced tower shadow effect
  3.    A rotor that needs to be placed at some distance from the tower
  4.    An inflexible rotor that needs to be placed close to the tower
 Discuss Question
Answer: Option C. -> A rotor that needs to be placed at some distance from the tower
Answer: (c).A rotor that needs to be placed at some distance from the tower
Question 16. What are planetary or prevailing winds?
  1.    Winds not blowing from one latitude to another
  2.    Winds blowing from one latitude to another
  3.    Gusts
  4.    Winds that do not cover large areas of earth
 Discuss Question
Answer: Option B. -> Winds blowing from one latitude to another
Answer: (b).Winds blowing from one latitude to another
Question 17. What are trade winds?
  1.    Winds blowing from equatorial low pressure areas to sub-tropical high pressure areas
  2.    Winds that trade with each other
  3.    Winds blowing from equatorial high pressure areas to sub-tropical low pressure areas
  4.    Winds blowing from sub-tropical high pressure areas to equatorial low pressure areas
 Discuss Question
Answer: Option D. -> Winds blowing from sub-tropical high pressure areas to equatorial low pressure areas
Answer: (d).Winds blowing from sub-tropical high pressure areas to equatorial low pressure areas
Question 18. How does Coriolis effect trade winds in Northern Hemisphere?
  1.    Coriolis effect deflects trade winds to the right
  2.    Coriolis effect deflects trade winds to the left
  3.    Coriolis effect does not affect the trade winds in Northern Hemisphere
  4.    Coriolis effect only affects the trade winds in Southern Hemisphere
 Discuss Question
Answer: Option A. -> Coriolis effect deflects trade winds to the right
Answer: (a).Coriolis effect deflects trade winds to the right
Question 19. Which of the following are the two most important planetary winds?
  1.    Hosting
  2.    Trades and economics
  3.    Trade winds and westerly winds
  4.    Deployment
 Discuss Question
Answer: Option C. -> Trade winds and westerly winds
Answer: (c).Trade winds and westerly winds
Question 20. How does Coriolis effect trade winds in Southern Hemisphere?
  1.    Coriolis effect deflects trade winds to the right
  2.    Coriolis effect deflects trade winds to the left
  3.    Coriolis effect does not affect the trade winds in Southern Hemisphere
  4.    Coriolis effect only affects the trade winds in Northern Hemisphere
 Discuss Question
Answer: Option B. -> Coriolis effect deflects trade winds to the left
Answer: (b).Coriolis effect deflects trade winds to the left

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