Thu. Jul 4th, 2024

Atmospheric Extreme Events and Hazards

  1. What is the shape of the upper portion of a tornado?

    Options:
    1. Like a pipe
    2. Like an umbrella
    3. Like a cone
    4. Like a rectangle

    Option: B

  2. What is the shape of the lower portion of a tornado?

    Options:
    1. Like a pipe
    2. Like an umbrella
    3. Like a cone
    4. Like a rectangle

    Option: A

  3. What is the size of a tornado compared to other atmospheric storms?

    Options:
    1. Smallest
    2. Largest
    3. Medium-sized
    4. Not specified

    Option: A

  4. What are tornadoes notorious for?

    Options:
    1. Causing earthquakes
    2. Causing tsunamis
    3. Destruction of human property
    4. Causing volcanic eruptions

    Option: C

  5. What is the main cause of convective instability in tornadoes?

    Options:
    1. Sucking air from the ground surface
    2. Upward movement of air from the upper atmosphere
    3. Strong wind pressure
    4. None of the above

    Option: A

  6. What is the lowest recorded pressure of a tornado?

    Options:
    1. 100 mb
    2. 500 mb
    3. 813 mb
    4. 1000 mb

    Option: C

  7. What is the average pressure in the center of a tornado compared to the outside environment?

    Options:
    1. The same
    2. 50 mb less
    3. 100 mb less
    4. 200 mb less

    Option: C

  8. What is the diameter of the upper funnel of a tornado at the base and at the top?

    Options:
    1. 460 m at the base and 90 m at the top
    2. 90 m at the base and 460 m at the top
    3. 500 m at the base and 100 m at the top
    4. 100 m at the base and 500 m at the top

    Option: B

  9. What are the characteristics of tornadoes?

    Options:
    1. Smallest but violent, awesome, disastrous
    2. Largest but peaceful, mild, harmless
    3. Medium-sized and unpredictable
    4. Not specified

    Option: A

  10. What causes tornadoes to form?

    Options:
    1. Violent convection of conditionally or convectively unstable column of warm and moist ascending air
    2. Cold polar air mass along the cold front
    3. Intense local heating of the ground surface
    4. All of the above

    Option: D

  11. What is the prerequisite condition for the formation of tornadoes?

    Options:
    1. Mass convergence of air near the ground surface
    2. Mass divergence aloft
    3. Buoyant air mass
    4. All of the above

    Option: D

  12. How fast can the winds of a tornado reach?

    Options:
    1. 100 km per hour
    2. 400 km per hour
    3. 800 km per hour
    4. 1000 km per hour

    Option: C

  13. Why do tornadoes look very dark in colour?

    Options:
    1. Because of the dominance of dusts, sands, debris and condensed moisture
    2. Because of the reflection of sunlight
    3. Because of the presence of clear air
    4. None of the above

    Option: A

  14. When are tornadoes more common?

    Options:
    1. During fall and winter seasons
    2. During spring and summer seasons
    3. During rainy seasons
    4. All of the above

    Option: B

  15. What is the average duration of existence of a tornado?

    Options:
    1. 5-10 minutes
    2. 15-20 minutes
    3. 30-40 minutes
    4. Few hours

    Option: B

  16. What is the average length of path followed by a tornado?

    Options:
    1. 10-20 km
    2. 20-30 km
    3. 40-50 km
    4. 50-60 km

    Option: C

  17. What is a group of tornadoes called?

    Options:
    1. Tornado cluster
    2. Tornado family
    3. Tornado outbreak
    4. Tornado swarm

    Option: B

  18. What is the prerequisite condition for rotating the winds in the formation of tornadoes?

    Options:
    1. Mass convergence of air near the ground surface
    2. Mass divergence aloft
    3. Unstable vertical temperature structure
    4. Preexisting mechanism for rotating the winds

    Option: D

  19. What is the trigger mechanism that causes violent exchange of air of contrasting properties in the formation of tornadoes?

    Options:
    1. Mass convergence of air near the ground surface
    2. Mass divergence aloft
    3. Buoyant air mass
    4. Some sort of disturbance

    Option: D

  20. What is the cause of extremely low pressure at the ground which leads to the formation of a tornado storm?

    Options:
    1. Intense rainfall
    2. Strong convective mechanism above the ground surface
    3. Wind shear
    4. Low temperature

    Option: B