Earth Volume 4 UREs

100 Questions | By Catherinehalcomb | Updated: Apr 24, 2023 | Attempts: 42

Questions

Settings

Feedback

During the Quiz End of Quiz

Play as

Quiz Flashcard

Create your own Quiz

Questions and Answers

1.

The equator is
- A.
  
  Not a great circle
- B.
  
  Equal distance from the poles
- C.
  
  A plane parallel to the polar axis
- D.
  
  The only fixed reference point on the earth
2.

Any plane that passes through the center of the Earth and divides it into two equal parts forms what on the surface of the earth?
- A.
  
  Equator
- B.
  
  Great circle
- C.
  
  Parallel of latitude
- D.
  
  Meridian of longitude
3.

Circles running east to west around the earth are called
- A.
  
  Equatorial parallels
- B.
  
  Parallels of latitude
- C.
  
  Equatorial meridians
- D.
  
  Meridians of longitude
4.

Parallels of the latitude are parallel to the
- A.
  
  Equator
- B.
  
  Polar axis
- C.
  
  Greenwich meridian
- D.
  
  International date line
5.

Parallels between the equator and the north pole carry values from
- A.
  
  0° to 90°N
- B.
  
  0° to 90°S
- C.
  
  0° to 180°N
- D.
  
  0° to 180°S
6.

Parallels between the equator and the south pole carry values from
- A.
  
  0° to 90°N
- B.
  
  0° to 90°S
- C.
  
  0° to 180°N
- D.
  
  0° to 180°S
7.

The international date line is
- A.
  
  A circle designated 0° latitude
- B.
  
  Designated as the 180° meridian
- C.
  
  A meridian passing through Greenwich, England
- D.
  
  A circle located an equal distance between the north and south poles
8.

Starting from the prime meridian and going east to the international dateline, meridians are assigned values of
- A.
  
  0° to 90° east
- B.
  
  0° to 90° west
- C.
  
  0° to 180° east
- D.
  
  0° to 180° west
9.

A correct geographic coordinate is
- A.
  
  45°N
- B.
  
  15°S
- C.
  
  99°N 120°E
- D.
  
  76°S 030°W
10.

If your aircraft is flying with a true heading of 320° and your destination point is located at a true bearing of 270°, what is your relative bearing to the destination point?
- A.
  
  50°
- B.
  
  270°
- C.
  
  310°
- D.
  
  320°
11.

If you fly along the equator from 0°N10°E to 0°N15°E, how many nautical miles(NM) will you have flown?
- A.
  
  250 NM
- B.
  
  300 NM
- C.
  
  350 NM
- D.
  
  400 NM
12.

The wind's effect on an aircraft is
- A.
  
  Slight
- B.
  
  Negligible
- C.
  
  Significant
- D.
  
  Unimportant
13.

Wind moving from 225° towards 45° at a speed of 15 knots would be expressed as
- A.
  
  45°/15 knots
- B.
  
  225°/15 knots
- C.
  
  225° to 45°/15 knots
- D.
  
  45° from 225°/15 knots
14.

The aircraft's path over the Earth's surface is called
- A.
  
  Track
- B.
  
  True bearing
- C.
  
  True heading
- D.
  
  Intended track
15.

If the aircraft is flying a true heading of 180° what are the effects of a 180°/20 knot wind on its ground speed and track?
- A.
  
  Increase in ground speed with right drift
- B.
  
  Decrease in ground speed with right drift
- C.
  
  Increase in ground speed with no change in track
- D.
  
  Decrease in ground speed with no change in track
16.

What is used to correct true heading and allow the aircraft to achieve the desired true course?
- A.
  
  Drift correction
- B.
  
  Wind disbursement
- C.
  
  Airspeed correction
- D.
  
  Ground speed correction
17.

True directions are measured from the
- A.
  
  Equator
- B.
  
  0° meridian
- C.
  
  Magnetic poles
- D.
  
  Geographical poles
18.

The lines on navigation charts that connect points of equal magnetic variation are called
- A.
  
  Agonic lines
- B.
  
  Isogonic lines
- C.
  
  Variation lines
- D.
  
  Deviation lines
19.

The lines on navigation charts that connect points of zero magnetic variation are called
- A.
  
  Agonic lines
- B.
  
  Isogonic lines
- C.
  
  Variation lines
- D.
  
  Deviation lines
20.

An inertial navigation system establishes
- A.
  
  Altitude
- B.
  
  A coordinate system
- C.
  
  A frame of reference
- D.
  
  A frame of displacement
21.

Which is not a basic inertial navigation system component
- A.
  
  Platform
- B.
  
  Integrator
- C.
  
  Summing unit
- D.
  
  Accelerometer
22.

What inertial navigation system component measures aircraft movement
- A.
  
  Platform
- B.
  
  Integrator
- C.
  
  Computer
- D.
  
  Accelerometer
23.

The inertial navigation system's accelerometers must be protected from
- A.
  
  Motion and pressure changes
- B.
  
  Magnetic and motion changes
- C.
  
  Temperature and pressure changes
- D.
  
  Temperature and magnetic changes
24.

To measure acceleration in all directions an aircraft's inertial navigation system uses how many accelerometers?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
25.

The changing of position with respect to some other body is called
- A.
  
  Speed
- B.
  
  Motion
- C.
  
  Velocity
- D.
  
  Reference