1W0510 CDC Practice Test B Set Book 2

130 Questions | Total Attempts: 332

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1W0510 Quizzes & Trivia

1W0510 B Set Book 2


Questions and Answers
  • 1. 
    What are the three states of matter?
    • A. 

      Solid, Liquid, Gaseous

    • B. 

      Liquid, Freezing, Frozen

    • C. 

      Land, Air, Sea

    • D. 

      Molten, Moist, Mechanical

  • 2. 
    What is happening when a solid becomes a liquid?
    • A. 

      Vaporization

    • B. 

      Fusion

    • C. 

      Deposition

    • D. 

      Condensation

  • 3. 
    What two effects cause differences in saturation vapor pressure (es) in terms of CCN growth?
    • A. 

      Rain and Snow

    • B. 

      Collision and Coralescence

    • C. 

      Solute and Curvature

    • D. 

      Heat and Air

  • 4. 
    What is a general tool for forecasting clouds that is derived from decades of observational data and is a time-proven method?
    • A. 

      Climatology

    • B. 

      Analytics

    • C. 

      Upstream Observations

    • D. 

      Radar

  • 5. 
    What general tool for forecasting clouds is generated from model data and provides guidance on relative cloud amount and height range out to 48 hours?
    • A. 

      WSCC

    • B. 

      NAM MOS

    • C. 

      Local Forecasts

    • D. 

      Forecast relative humidity values

  • 6. 
    What general tool for cloud forecasting is being used when you simply advect clouds from their current location downstream?
    • A. 

      Estimation

    • B. 

      Extrapolation

    • C. 

      Radar

    • D. 

      Convective Cloud Movement Calculator

  • 7. 
    Which general tool for forecasting clouds should NOT be used without other supporting products?
    • A. 

      Meteogram

    • B. 

      METARs

    • C. 

      Weather Radar

    • D. 

      PIREPs

  • 8. 
    What is the main difference and added consideration when forecasting cumuliform clouds versus stratiform clouds?
    • A. 

      Atmospheric Stability

    • B. 

      Size

    • C. 

      Shape

    • D. 

      Cloud Movement

  • 9. 
    At what level do clouds form when mechanical lift is the predominant factor?
    • A. 

      LCL

    • B. 

      MCL

    • C. 

      NWA

    • D. 

      MCC

  • 10. 
    Would precipitation occcur with a wew point spread of 4C at 850 and 700mb?
    • A. 

      Yes

    • B. 

      No

    • C. 

      Intermittently

    • D. 

      Continuously

  • 11. 
    Generally, what front is connected with the snow or rain zone?
    • A. 

      Sub Polar

    • B. 

      Tropical

    • C. 

      Mid Atlantic

    • D. 

      Polar

  • 12. 
    With a flat, fast westerly flow aloft, in which direction does the snow or rain zone spread?
    • A. 

      Westward

    • B. 

      Northward

    • C. 

      Eastward

    • D. 

      Southward

  • 13. 
    What is the most common type of fog in the Northern Hemisphere?
    • A. 

      Sea Fog

    • B. 

      Radiation Fog

    • C. 

      Mountain Fog

    • D. 

      Valley Fog

  • 14. 
    What type of fog forms in higher elevations and builds downward?
    • A. 

      Downslope Fog

    • B. 

      Upslope Fog

    • C. 

      Mountain Fog

    • D. 

      Sea Fog

  • 15. 
    What type of fog is usually limited to areas near human habitation?
    • A. 

      City Fog

    • B. 

      Urban Fog

    • C. 

      Haze

    • D. 

      Ice Fog

  • 16. 
    This restriction develops in layers in a stable atmosphere usually of fairly large depth. The visibility is usually between three and six miles. To predict this restriction, you must locate a source of pollution and predict the stagnation of an air mass in your area.
    • A. 

      Smoke

    • B. 

      Fog

    • C. 

      Dust

    • D. 

      Haze

  • 17. 
    What is the intensity of snow showers occurring at you station with a prevailing visibility of fiveeighths of a mile?
    • A. 

      Light

    • B. 

      Heavy

    • C. 

      Moderate

    • D. 

      Extreme

  • 18. 
    Which general tool for forecasting winds can provide information on surface frictional effects?
    • A. 

      Extrapolation

    • B. 

      Radar

    • C. 

      Topography

    • D. 

      Geometry

  • 19. 
    Which general tool for forecasting winds are graphical in nature, based on the WRF model and provide wind forecasts for three hour intervals?
    • A. 

      WSCC

    • B. 

      Radar

    • C. 

      Meteogram

    • D. 

      SKEW-T

  • 20. 
    What would the approximate low-level wind speed be if open-cell cumulus in the shape of an elongated doughnut was present?
    • A. 

      5-8kts

    • B. 

      12-18kts

    • C. 

      11-20kts

    • D. 

      20-30kts

  • 21. 
    What is the nocturnal wind that flows into valleys?
    • A. 

      Mountain Breeze

    • B. 

      Night Wind

    • C. 

      Valley Breeze

    • D. 

      Sea Breeze

  • 22. 
    Which two winds belong to the category of Fall Winds?
    • A. 

      Numa and Astral

    • B. 

      Fine and Pho

    • C. 

      Aurora and Borealis

    • D. 

      Mistral and Bora

  • 23. 
    Cap, rotor, and lenticular clouds are characteristic of which forced-circulation wind?
    • A. 

      Foehn Winds

    • B. 

      Bora Winds

    • C. 

      Mistral Winds

    • D. 

      Mountain Breeze

  • 24. 
    What tool provides a summary of monthly and annual climatic data for a station?
    • A. 

      WSCC

    • B. 

      WNBA

    • C. 

      OCDS

    • D. 

      SKEW-T

  • 25. 
    How does a stable lapse rate affect heating?
    • A. 

      Heating occurs more slowly

    • B. 

      Heating occurs more rapidly

    • C. 

      Cooling occurs more rapidly

    • D. 

      Cooling occurs more slowly

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