Navigation - Quiz BPL Gas - Balloon Pilot License

Question 1

A distance of 7.5 cm on an aeronautical chart represents a distance of 60.745 NM in reality. What is the chart scale?

Accepted Answer

1 : 1500000

Answer

1 : 500000

Answer

1 : 1 000000

Answer

1 : 150000

Question 2

The angle between compass north and magnetic north is called...

Accepted Answer

Deviation.

Answer

Inclination

Answer

WCA

Answer

Variation.

Question 3

Where are the two polar circles?

Accepted Answer

23.5° north and south of the poles

Answer

23.5° north and south of the equator

Answer

At a latitude of 20.5°S and 20.5°N

Answer

20.5° south of the poles

Question 4

The term 'civil twilight' is defined as...

Accepted Answer

The period of time before sunrise or after sunset where the midpoint of the sun disk is 6 degrees or less below the true horizon.

Answer

The period of time before sunrise or after sunset where the midpoint of the sun disk is 12 degrees or less below the true horizon.

Answer

The period of time before sunrise or after sunset where the midpoint of the sun disk is 6 degrees or less below the apparent horizon.

Answer

The period of time before sunrise or after sunset where the midpoint of the sun disk is 12 degrees or less below the apparent horizon

Question 5

Which direction corresponds to 'compass north' (CN)?

Accepted Answer

The direction to which the direct reading compass aligns due to earth's and aircraft's magnetic fields

Answer

The most northerly part of the magnetic compass in the aircraft, where the reading takes place

Answer

The direction from an arbitrary point on Earth to the geographical North Pole

Answer

The angle between the aircraft heading and magnetic north

Question 6

Which are the properties of a Lambert conformal chart?

Accepted Answer

The chart is conformal and nearly true to scale

Answer

Great circles are depicted as straight lines and the chart is an equal-area projection

Answer

Rhumb lines are depicted as straight lines and the chart is conformal

Answer

The chart is conformal and an equal-area projection

Question 7

The term 'isogonal' or 'isogonic line' is defined as a line on an aeronautical chart, connecting all points with the same value of...

Accepted Answer

Variation

Answer

Inclination.

Answer

Heading.

Answer

Deviation.

Question 8

What ground features should preferrably be used for orientation during visual flight?

Accepted Answer

Rivers, railroads, highways

Answer

Power lines

Answer

Border lines

Answer

Farm tracks and creeks

Question 9

Which statement is correct with regard to the polar axis of the Earth?

Accepted Answer

The polar axis of the Earth crosses the geographic South Pole and the geographic North Pole and is perpendicular to the plane of the equator

Answer

The polar axis of the Earth crosses the geographic South Pole and the geographic North Pole and is at an angle of 23.5° to the plane of the equator

Answer

The polar axis of the Earth crosses the magnetic south pole and the magnetic north pole and is perpendicular to the plane of the equator

Answer

The polar axis of the Earth crosses the magnetic south pole and the magnetic north pole and is at an angle of 66.5° to the plane of the equator

Question 10

What distance corresponds to one degree difference in latitude along any degree of longitude?

Accepted Answer

60 NM

Answer

60 km

Answer

30 NM

Answer

1 NM

Quiz Navigation - Quiz BPL Gas - Balloon Pilot License

Test 10 Questions Quiz BPL Gas - Balloon Pilot License - Navigation, no time limit