1W0510 CDC Practice Test B Set Book 2
1W0510 B Set Book 2
- 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 4C 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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