MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Wind Energy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is wind speed? |
| A. | Net molecular flux along the wind axis divided by the mean molecular number density |
| B. | Molecular flux along the wind axis divided by the mean molecular number density |
| C. | Net molecular flux along the wind axis divided by molecular number density |
| D. | Molecular flux opposite the wind axis divided by the mean molecular number density |
| Answer» B. Molecular flux along the wind axis divided by the mean molecular number density | |
| 2. |
Wind speed is measure by ______ |
| A. | anemometers |
| B. | odometers |
| C. | ammeter |
| D. | weather vanes |
| Answer» B. odometers | |
| 3. |
The Coriolis force deflects the wind to the right in Northern Hemisphere until ______ |
| A. | equilibrium of forces is not achieved |
| B. | gas molecules stop moving |
| C. | water vapour evaporates |
| D. | equilibrium of forces is achieved |
| Answer» E. | |
| 4. |
What are eddies in wind? |
| A. | Areas where the global wind blows opposite to that of the net direction of wind-motion |
| B. | Areas where the local wind blows in the same direction as the net direction of wind-motion |
| C. | Areas where the local wind blows opposite to that of the net direction of wind-motion |
| D. | Areas where the local wind blows randomly to that of the net direction of wind-motion |
| Answer» D. Areas where the local wind blows randomly to that of the net direction of wind-motion | |
| 5. |
What is geostrophic wind? |
| A. | Wind generated due to disbalance between wind forces and Coriolis force |
| B. | Wind generated due to balance between pressure gradient force and Coriolis force |
| C. | A special wind generated from geothermal energy |
| D. | Wind flowing in stratosphere |
| Answer» C. A special wind generated from geothermal energy | |
| 6. |
Which of the following devices indicate wind direction? |
| A. | Weather vanes, windsocks |
| B. | Multimeter, oscilloscope |
| C. | Accelerometer |
| D. | Wind’s direction cannot be measured |
| Answer» B. Multimeter, oscilloscope | |
| 7. |
Which of the following are the three individual components/dimensions best used to describe air motion on earth? |
| A. | A meridional component pointing south-to-north, a zonal component pointing north-to-east, a vertical upward component pointing from ground to sky |
| B. | A zonal component pointing south-to-north, a meridional component pointing west-to-east and downward component pointing from sky to ground |
| C. | A meridional component pointing north-to-south, a zonal component pointing east-to-south, a vertical upward component pointing from ground to sky |
| D. | A meridional component pointing south-to-north, a zonal component pointing west-to-east, a vertical upward component pointing from ground to sky |
| Answer» E. | |
| 8. |
Which of the following best describes the motion of air on earth? |
| A. | A two-dimensional vector |
| B. | A one-dimensional vector |
| C. | A three-dimensional vector |
| D. | A four-dimensional vector |
| Answer» D. A four-dimensional vector | |
| 9. |
Which of the following involves studying the physics of wind flow? |
| A. | Microbial fuel cells |
| B. | Fluid dynamics |
| C. | Combustion |
| D. | Polymer science |
| Answer» C. Combustion | |
| 10. |
What is the definition of wind? |
| A. | Air in net motion |
| B. | Air in motion |
| C. | Gas molecules in random motion |
| D. | Stationary gas molecules |
| Answer» B. Air in motion | |