EASA- 107 test #3
November 13, 1998
- 1.
- I have my name on the scantron sheet along with my student ID. The
version of this exam is
- a) PINE
- b) OAK
- c) MAPLE
- d)
- 2.
- To describe a force acting on an object we must specify
- a) The mass of the object
- b) The acceleration of the object
- c) The direction and strenght of the force
- d) All of the above
- 3.
- From Newton's 2nd law of motion, if
there is no net force acting on an object, then
- a) The object is at rest
- b) The object is slowing down
- c) The object is not being accelerated
- d) None of the above
- 4.
- The force which deflects air parcels to the right (in NH) is
- a) The frictional force
- b) The gravitational force
- c) The centripetal force
- d) The Coriolis force
- 5.
- The strength of which of the following forces depend on the wind speed
- a) The frictional force
- b) The centripetal force
- c) The Coriolis force
- d) All of the above
- 6.
- The direction of the frictional force is
- a) To the right of the motion
- b) Opposite to the motion
- c) Toward the motion
- d) Opposite to the pressure gradient force
- 7.
- The pressure gradient force is large when
- a) The pressure difference is large
- b) The pressure difference is small
- c) There is no change in pressure
- d) The Coriolis force is small
- 8.
- The geostrophic wind is the balance between
- a) The pressure gradient and Coriolis forces
- b) The Coriolis and centripetal forces
- c) The frictional and pressure gradient forces
- d) The gravitational and centripetal forces
- 9.
- Hydrostatic equilibrium is associated with forces acting
- a) In the east-west direction
- b) In the vertical direction
- c) In the north-south direction
- d) All of the above
- 10.
- The flow around a low pressure system is
- a) Radial
- b) Clockwise
- c) Counter-clockwise
- d) All of the above
- 11.
- A wind in geostrophic balance
- a) Has no net force acting on it
- b) Only has one force acting on it in the direction of the wind flow
- c) Has counter-clockwise flow
- d) Has clockwise flow
- 12.
- In geostrophic and gradient wind balances, the pressure gradient force
- a) Is always equal to the Coriolis force
- b) Is always in the opposite direction to the centripetal force
- c) Is always in the opposite direction of the Coriolis force
- d) All of the above
- 13.
- Which force is part of the geostrophic wind, the gradient wind AND
hydrostatic equilibrium is
- a) Gravity
- b) Coriolis
- c) Centripetal
- d) Pressure gradient
- 14.
- Which of the following has cross-isobaric flow
- a) Geostrophic wind
- b) Gradient wind
- c) Surface wind
- d) Hydrostatic equilibrium
- 15.
- The scale of motion with deals with thunderstorms is
- a) Global
- b) Synoptic
- c) Mesoscale
- d) Microscale
- 16.
- The scale of motion which deals with low pressure
systems is
- a) Global
- b) Synoptic
- c) Mesoscale
- d) Microscale
- 17.
- The horse latitudes are found
- a) In the trade winds
- b) Near the subtropical highs
- c) In the westerlies
- d) Near the polar front
- 18.
- The downward vertical motion associated with the Hadley circulation is found
- a) Near the Polar front
- b) Within the Westerlies
- c) Near the subtropical highs
- d) Near the equator
- 19.
- The jet stream is found
- a) Along the InterTropical Convergence Zone
- b) In the trade winds
- c) Within the subtropical highs
- d) In the westerlies
- 20.
- The InterTropical Convergence Zone (ITCZ) is found
- a) Near the polar front
- b) Within the westerlies
- c) At the subtropical highs
- d) Near the equator
- 21.
- The strongest jet stream winds are found
- a) In the warmest air temperatures
- b) In the coldest air temperatures
- c) In the region of greatest temperature change
- d) In the region with the greatest humidity
- 22.
- A cT air mass might come from
- a) Canada
- b) Mexico
- c) Equatorial Pacific
- d) Northern Atlantic
- 23.
- A mP air mass might come from
- a) Canada
- b) Mexico
- c) Equatorial Pacific
- d) Northern Atlantic
- 24.
- A maritime air mass is
- a) Warm
- b) Cold
- c) Humid
- d) Dry
- 25.
- The occluded front is
- a) The front occurring in the warm sector of a low pressure system
- b) The front associated with the dry slot
- c) The collision between a cold and warm front
- d) The movement of a stationary front
- 26.
- The front that is NOT normally associated with over-running precipitation
is
- a) A cold front
- b) A warm front
- c) A stationary front
- d) A secluded front
- 27.
- The winds associated with the stationary front are typically
- a) Toward the front in cold air and away from the front in the warm
air
- b) Away the front in cold air and toward from the front in the warm
air
- c) Along the front in both the warm and cold air regions
- d) Toward the the front in both the warm and cold air regions
- 28.
- The triple point is
- a) The point where the dry slot forms
- b) The point where the warm, cold, and occluded fronts meet
- c) The point where the surface low meets the upper level low
- d) The point where the heaviest rain fall, lowest pressure, and
strongest winds occur
- 29.
- In addition to the development of the low pressure system as
described in class, the low pressure system also moves from
west to east, consequently
- a) The upper level trough moves away from the surface low
- b) Typically a location first experiences a warm front and then a cold front
- c) Cold air is pushed westward as well as southward
- d) All of the above
- 30.
- The development of surface lows, normally requires
- a) Upper level support
- b) Moisture convergence
- c) Orographic uplifting
- d) Rainfall
- 31.
- The life cycle of a high pressure system is
- a) Exactly the same as a low pressure system
- b) Nearly the same as a low pressure system
- c) Completely controlled by upper level support
- d) Is more complex than a low pressure system having no simple
evolution
- 32.
- In Figure 1, the flow around the high pressure center
(which is well above the surface) is nearly in
- a) Geostrophic wind balance
- b) Gradient wind balance
- c) Adiabatic wind balance
- d) Chinook wind balance
- 33.
- In Figure 1, the direction of the pressure gradient force at A is
- a) To the right
- b) To the left
- c) Toward the top
- d) None of the above
- 34.
- In Figure 1, the winds would be strongest at
- 35.
- In Figure 1, the wind direction would be easterly at
- 36.
- If the system in Figure 1 was at the surface, the winds would be
- a) Spiraling inward
- b) Spiraling outward
- c) Convergent
- d) None of the above
- 37.
- In Figure 2, the city closest to the cold front is
- a) Waverly
- b) Creston
- c) Milan
- d) Jasper
- 38.
- In Figure 2, the city which might be experiencing precipitation by
over running is
- a) Waverly
- b) Creston
- c) Milan
- d) Jasper
- 39.
- In Figure 2, the warm sector is
- a) The area warmer that 70
F
- b) The area warmer that 65F
- c) The area warmer that 50F
- d) The area colder that 70F
- 40.
- In Figure 2, if this low is to intensify the location of the upper
level trough should be
- a) Over or to the west of Creston
- b) Over or to the east of Jasper
- c) Over or to the west of Milan
- d) Over or to the east of Waverly
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The translation was initiated by Dr. Charles Graves on 2000-11-13
Dr. Charles Graves
2000-11-13