OCS EXAM Flashcards
A thunderstorm has three distinct stages:
a) Cumulus, Mature, and Dissipating
b) Fracto, Lenticularus, and Castellanus
c) Cumulus, Stratus, and Dissipating
a) Cumulus, Mature, and Dissipating
There are 4 types of fronts, which are named according to the temperature of the advancing air relative to the temperature of the air it is replacing:
a) Warm Front, Cold Front, Stationary Front, and Occluded Front
b) Arctic Front, Continental Front, Continental Tropical Front, and Maritime Front
c) Dry line, Pressure Front, Air Mass Front, and Maritime Arctic Front
a) Warm Front, Cold Front, Stationary Front, and Occluded Front
The Force Created by the rotation of the Earth is known as?
a) pressure force
b) Coriolis force
c) atmospheric force
b) Coriolis force
Cloud type is determined by its height, shape and behavior. They are classified according to the height
of their bases as?
a. Low, Middle, High clouds, High clouds with extensive vertical development
b. Stratocumulus, Nimbostratus, Altocumulus, and Altostratus
c. Cirrostratus, Cirrocumulus, Fracto, and nimbus
a. Low, Middle, High clouds, High clouds with extensive vertical development
Moisture condenses or sublimates onto miniscule particles of matter like dust, salt, and smoke known
as?
a. Condensation Nuclei
b. Icing
c. Fog
a) Condensation Nuclei
The boundary layer between two types of air masses is known as a?
a. Source region
b. Front
c. Fog
b) Front
The Coriolis force deflects air to the?
a. Left in the Northern hemisphere
b. Right in the Northern hemisphere
c. Center in the Northern hemisphere
b) Right in the Northern Hemisphere
. Temperature at which air can hold no more moisture it is completely saturated and moisture begins to
condense out in the form of fog, dew, frost, clouds, rain, hail, or snow is known as?
a. Relative humidity
b. Dew point
c. Convergence rate
b) Dew Point
The relationship between dew point and temperature defines the concept of?
a. Atmospheric stability
b. Relative humidity
c. Temperature inversion
b) Relative Humidity
Water is present in the atmosphere in three states?
a. Liquid, Solid, and Gaseous
b. Steam, Liquid, and Clouds
c. Sublimation, Evaporation, Condensation
a) Liquid, Solid, Gaseous
The Changing of liquid water to water vapor is called?
a) sublimation
b) evaporation
c) condensation
b) evaporation
Which selection is not considered precipitation?
a) fog
b) snow
c) drizzle
d) rain
a) fog
For a thunderstorm to form, the air must have sufficient water vapor, an unstable lapse rate, and an initial lifting action to start the process: TRUE OR FALSE
TRUE
Cold fronts, which move at 20 to 35 mph, move more quickly in comparison to warm fronts, which move at only 10 to 25 mph? TRUE OR FALSE
TRUE
Cold fronts also possess a steeper frontal slope. Violent weather activity is associated with cold fronts, and the weather usually occurs along the frontal boundary such as:
a) sudden storms
b) gusty winds
c) turbulence
d) sometimes hail or tornadoes
e) all of the above
e) all of the above
Hail competes with turbulence as the greatest thunderstorm hazard to aircraft: TRUE OR FALSE
TRUE
Water vapor is added in the atmosphere only by the process of evaporation and sublimation: TRUE OR FALSE
TRUE
SIGMETs (WSs) are inflight advisories concerning non-convective weather that is potentially hazardous…
a) to all aircraft
b) to heavy aircraft
c) to light aircraft
a) to all aircraft
Dew, frost, and fog are forms of condensation: TRUE OR FALSE
TRUE
Existence of unusual, often invisible, hazards to aircraft e.g., artillery firing, aerial gunnery, or guided missiles is Special Use Airspace known as:
a) Prohibited Area
b) Warning Area
c) Restricted Area
c) Restricted Area
Special Use Airspace containing defined dimensions established for security or other reasons associated with the national welfare is known as:
a) Military Operations Area
b) Prohibited Area
c) Alert Area
b) Prohibited Area
The term used to express the lack of orientation with regard to the position, altitude or movement of aircraft in space, is known as:
a) vestibular illusion
b) spatial disorientation
c) Coriolis illusion
b) spatial disorientation
Each certificate holder is responsible for the operational control and shall list, in the manual required by 135.21, the name and title of each person authorized by it to exercise operational control. Where is the list found?
a) RFM supplement
b) Operations Specifications
c) Airworthiness Certificate
b) Operations Specifications
Who is responsible for determining that the airworthy inspections IAW 91.409 of this chapter or 135.419, whichever is applicable have been made?
a) mechanic
b) pilot in command
c) FAA
b) pilot in command