Exam quiz Quiz BPL Gas - Balloon Pilot License

Question 1

What does a readability of 1 indicate?

Accepted Answer

The transmission is unreadable

Answer

The transmission is perfectly readable

Answer

The transmission is readable now and then

Answer

The transmission is readable but with difficulty

Question 2

During a flight in an air mass with a temperature equal to ISA and the QNH set correctly, the indicated altitude is...

Accepted Answer

Equal to the true altitude

Answer

Higher than the true altitude.

Answer

Lower than the true altitude.

Answer

Equal to the standard atmosphere.

Question 3

What is the correct phrase to begin a blind transmission?

Accepted Answer

Transmitting blind

Answer

No reception

Answer

Listen

Answer

Blind

Question 4

Information about operational limits, loading and performance about an aircraft can be taken from which document?

Accepted Answer

Operating handbook.

Answer

Airworthiness certificate.

Answer

Certificate of registration

Answer

Flight Log book.

Question 5

Given the following masses: Empty mass 240 kg Instruments 20 kg per gas container (full): 30 kg per person: 80 kg Up to which pressure altitude can the balloon climb with 5 persons and 4 gas containers in the basket, assuming temperatures 10° below ISA? (use attachment ECQB-PPL_BPL001) Siehe Anlage 1

Accepted Answer

17000 ft

Answer

3000 ft

Answer

13000 ft

Answer

7000 ft

Question 6

During buildup of a gas balloon, sacks with sand are hooked up. The end of the hooks should be directed ...

Accepted Answer

Outside

Answer

Parallel to net path

Answer

Inside

Answer

Perpedicular to net path

Question 7

Which altitude is displayed on the altimeter when set to a specific QNH?

Accepted Answer

Altitude in relation to mean sea level

Answer

Altitude in relation to the 1013.25 hPa datum

Answer

Altitude in relation to the highest elevation within 10 km

Answer

Altitude in relation to the air pressure at the reference airfield

Question 8

When using a GPS for tracking to the next waypoint, a deviation indication is shown by a vertical bar and dots to the left and to the right of the bar. What statement describes the correct interpretation of the display?

Accepted Answer

The deviation of the bar from the center indicates the track error as absolute distance in NM; the scale for full deflection depends on the operating mode of the GPS.

Answer

The deviation of the bar from the center indicates the track error as absolute distance in NM; the scale for full deflection is +-10 NM.

Answer

The deviation of the bar from the center indicates the track error as angular distance in degrees; the scale for full deflection depends on the operating mode of the GPS.

Answer

The deviation of the bar from the center indicates the track error as angular distance in degrees; the scale for full deflection is +-10°.

Question 9

Times are transmitted as...

Accepted Answer

UTC.

Answer

Standard time.

Answer

Time zone time.

Answer

Local time.

Question 10

What conditions are mandatory for the formation of thermal thunderstorms?

Accepted Answer

Conditionally unstable atmosphere, high temperature and high humidity

Answer

Absolutely stable atmosphere, high temperature and high humidity

Answer

Absolutely stable atmosphere, high temperature and low humidity

Answer

Conditionally unstable atmosphere, low temperature and low humidity

Question 11

What change results from an increase in temperature of the carrying gas and of the environmental air at a gas balloon at maximum differential pressure?

Accepted Answer

The load capability decreases by 0,4% per K temperature change.

Answer

The load capability decreases by 4% per K temperature change.

Answer

The load capability increases by 4% per K temperature change.

Answer

The load capability increases by 0,4% per K temperature change.

Question 12

What is the percentage of oxygen in the atmosphere at 6000 ft?

Accepted Answer

21 %

Answer

78 %

Answer

12 %

Answer

18.9 %

Question 13

What is meant by "inversion layer"?

Accepted Answer

An atmospheric layer where temperature increases with increasing height

Answer

A boundary area between two other layers within the atmosphere

Answer

An atmospheric layer with constant temperature with increasing height

Answer

An atmospheric layer where temperature decreases with increasing height

Question 14

Which is the purpose of the altimeter subscale?

Accepted Answer

To reference the altimeter reading to a predetermined level such as mean sea level, aerodrome level or pressure level 1013.25 hPa

Answer

To adjust the altimeter reading for non-standard temperature

Answer

To set the reference level for the altitude decoder of the transponder

Answer

To correct the altimeter reading for system errors

Question 15

The vertical speed indicator measures the difference of pressure between...

Accepted Answer

The present static pressure and the static pressure of a previous moment.

Answer

The present dynamic pressure and the dynamic pressure of a previous moment.

Answer

The present total pressure and the total pressure of a previous moment.

Answer

The present dynamic pressure and the static pressure of a previous moment

Question 16

Up to which altitude is an overflight prohibited according to the NOTAM? See figure (PFP-024) Siehe Anlage 4

Accepted Answer

Altitude 9500 ft MSL

Answer

Flight Level 95

Answer

Altitude 9500 m MSL

Answer

Height 9500 ft

Question 17

What has to be expected by the balloon pilot during descent in deeply cooled layers close to the ground?

Accepted Answer

Floating on top of the cold air layer.

Answer

Sudden change in airspeed.

Answer

Balloon starts to climb.

Answer

Increasing descent while entering to ground layers

Question 18

What is the relationship between pressure and volume of a dry gas at constant temperature?

Accepted Answer

The volume is inversely proportional to pressure

Answer

The volume increases by a factor of 4 with double pressure

Answer

The ration between pressure and volume is constant

Answer

The volume increases proportional with pressure

Question 19

Which of the human senses is most influenced by hypoxia?

Accepted Answer

The visual perception (vision)

Answer

The tactile perception (sense of touch)

Answer

The oltfactory perception (smell)

Answer

The auditory perception (hearing)

Question 20

At which height the load carrying capability of a gas balloon is reduced by approximately 50% compared to MSL?

Accepted Answer

At 6.500 m

Answer

At 11.000 m

Answer

At 18.000 m

Answer

At 1.500 m

Question 21

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 22

What is the meaning of this sign at an aerodrome? See figure (ALW-011) Siehe Anlage 1

Accepted Answer

Glider flying is in progress

Answer

Landing prohibited for a longer period

Answer

After take-off and before landing all turns have to be made to the right

Answer

Caution, manoeuvring area is poor

Question 23

What effect has the elevation above MSL of an airfield on the carrying force and maximum take-off mass of a balloon?

Accepted Answer

The higher the elevation, the lower the carrying force.

Answer

The lower the elevation, the lower the maximum take-off mass.

Answer

The lower the elevation, the higherthe maximum take-off mass.

Answer

The higher the elevation, the greater the carrying force.

Question 24

The aerostatic lift corresponds to which force?

Accepted Answer

The weight of the displaced air

Answer

The dynamic force due to airstream across the top of the hull

Answer

The drag due to airstream around the balloon envelope

Answer

The weight of the balloon less ballast

Question 25

Which wind system may be dangerous for balloon rides in the Alps?

Accepted Answer

Foehn

Answer

Bora

Answer

Mistral

Answer

Scirocco

Question 26

Lower-than-standard temperature may lead to...

Accepted Answer

An altitude indication which is too high.

Answer

A correct altitude indication as long as the altimeter subscale is set to correct for non-standard temperature.

Answer

An altitude indication which is too low.

Answer

A blockage of the Pitot tube by ice, freezing the altimeter indication to its present value

Question 27

When do you expect wind shear?

Accepted Answer

During an inversion

Answer

During a summer day with calm winds

Answer

In calm wind in cold weather

Answer

When passing a warm front

Question 28

Which are the properties of a Mercator chart?

Accepted Answer

The scales increases with latitude, great circles are depicted as curved lines, rhumb lines are depicted as straight lines

Answer

The scale is constant, great circles are depicted as curved lines, rhumb lines are depicted as straight lines

Answer

The scales increases with latitude, great circles are depicted as straight lines, rhumb lines are depicted as curved lines

Answer

The scale is constant, great circles are depicted as straight lines, rhumb lines are depicted as curved lines

Question 29

The purpose of the drag lines of the parachute is ...

Accepted Answer

To transfer the force from the pull rope to the parachute.

Answer

To transfer the carrying force of the balloon in the top opening area

Answer

To keep the parachute in the center of the top opening.

Answer

To transfer the force from the pull rope to the free-balloon hull.

Question 30

During a flight, a flight plan can be filed at the...

Accepted Answer

Flight Information Service (FIS).

Answer

Search and Rescue Service (SAR).

Answer

Next airport operator en-route.

Question 31

What is the percentage of nitrogen in the atmosphere?

Accepted Answer

78 %

Answer

0.1 %

Answer

21 %

Answer

1 %

Question 32

Which transponder code indicates a radio failure?

Accepted Answer

7600

Answer

7700

Answer

7500

Answer

7000

Question 33

In which way may an altimeter subscale which is set to an incorrect QNH lead to an incorrect altimeter reading?

Accepted Answer

If the subscale is set to a higher than actual pressure, the indication is too high. This may lead to much closer proximity to the ground than intended

Answer

If the subscale is set to a higher than actual pressure, the indication is too low. This may lead to much greater heights above the ground than intended

Answer

If the subscale is set to a lower than actual pressure, the indication is too high. This may lead to much closer proximity to the ground than intended

Answer

If the subscale is set to a lower than actual pressure, the indication is too low. This may lead to much closer proximity to the ground than intended

Question 34

What is an indication for a macho attitude?

Accepted Answer

Risky flight maneuvers to impress spectators on ground

Answer

Quick resignation in complex and critical situations

Answer

Comprehensive risk assessment when faced with unfamiliar situations

Answer

Careful walkaround procedure

Question 35

How do dew point and relative humidity change with decreasing temperature?

Accepted Answer

Dew point remains constant, relative humidity increases

Answer

Dew point increases, relative humidity decreases

Answer

Dew point remains constant, relative humidity decreases

Answer

Dew point decreases, relative humidity increases

Question 36

The vertical extend of air with pressure changing by 1% with 80 m difference in height is referred to as ...

Accepted Answer

Homogene

Answer

Unstable

Answer

Stable

Answer

Inhomogene

Question 37

Which instrument can be affected by the hysteresis error?

Accepted Answer

Altimeter

Answer

Tachometer

Answer

Vertical speed indicator

Answer

Direct reading compass

Question 38

Wake turbulence is particularly strong...

Accepted Answer

When flying at low speeds

Answer

When flying at high speeds.

Answer

When flying at high altitudes.

Answer

When flying at low altitudes.

Question 39

The towing rope of a gas balloon can be found on ...

Accepted Answer

The rip panel side

Answer

The sandpourer side

Answer

The sliding side

Answer

The entry side

Question 40

What has to be considered before a balloon ride across water surfaces?

Accepted Answer

For all people inside the basket life jackets have to be carried aboard

Answer

A transponder has to be installed and carried aboard

Answer

A flight plan with detailled routing has to be filed.

Answer

Continuous radio communication has to be established with air traffice control

Question 41

What is the call sign of the flight information service?

Accepted Answer

Information

Answer

Advice

Answer

Flight information

Answer

Info

Question 42

The circumference of the Earth at the equator is approximately... See figure (NAV-002) Siehe Anlage 1

Accepted Answer

21600 NM.

Answer

40000 NM

Answer

12800 km

Answer

10800 km.

Question 43

For what approximate time period can the short-time memory store information?

Accepted Answer

10 to 20 seconds

Answer

3 to 7 seconds

Answer

30 to 40 seconds

Answer

35 to 50 seconds

Question 44

Below maximum differential pressure of a gas balloon, temperature increase of the carrying gas by 1K results in:

Accepted Answer

Volume increase by 0,4%

Answer

Volume decrease by 0,4%

Answer

Volume increase by 4%

Answer

Volume decrease by 4%

Question 45

What is the primary purpose of an aircraft accident investigation?

Accepted Answer

To identify the reasons and work out safety recommendations

Answer

To Determine the guilty party and draw legal consequences

Answer

To clarify questions of liability within the meaning of compensation for passengers

Answer

To work for the public prosecutor and help to follow-up flight accidents

Question 46

Which area could be crossed with certain restrictions?

Accepted Answer

Restricted area

Answer

No-fly zone

Answer

Prohibited area

Answer

Dangerous area

Question 47

The density of helium gas under standard conditions is:

Accepted Answer

0,2 kg / m3

Answer

2 kg / m3

Answer

0,02 g / m3

Answer

0,2 g / m3

Question 48

How may passengers assist the balloon pilot during landing preparation?

Accepted Answer

By stowing of loose parts

Answer

By activating the emergency opening

Answer

By activating the vents

Answer

By activating the pull rope

Question 49

What is a direct consequence of increase of the carrying gas temperature at a gas balloon with maximum differential pressure?

Accepted Answer

Load-bearing capability increases.

Answer

Climb force decreases.

Answer

Weight force increases.

Answer

Lift force decreases.

Question 50

What difference will be experienced during take-off in presence of a strong surface inversion, compared to a take-off with decreasing temperature with height?

Accepted Answer

During climb through an inversion, more ballast must be released and/or more heating is required.

Answer

During climb through an inversion, less ballast must be released and/or less heating is required.

Answer

During climb through an inversion, less ballast must be released and/or more heating is required.

Answer

During climb through an inversion, more ballast must be released and/or less heating is required.

Question 51

According ISA, what is the density of air at MSL?

Accepted Answer

1.225 kg/m3

Answer

1.225 g/m3

Answer

1225 kg/m3

Answer

12.25 kg/m3

Question 52

Which are the official basic units for horizontal distances used in aeronautical navigation and their abbreviations?

Accepted Answer

Nautical miles (NM), kilometers (km)

Answer

Feet (ft), inches (in)

Answer

Yards (yd), meters (m)

Answer

Land miles (SM), sea miles (NM)

Question 53

What conditions are favourable for the formation of thunderstorms?

Accepted Answer

Warm humid air, conditionally unstable environmental lapse rate

Answer

Warm and dry air, strong inversion layer

Answer

Clear night over land, cold air and patches of fog

Answer

Calm winds and cold air, overcast cloud cover with St or As.

Question 54

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

Question 55

The movement of air flowing apart is called...

Accepted Answer

Divergence.

Answer

Concordence.

Answer

Convergence.

Answer

Subsidence.

Question 56

The altimeter's reference scale is set to airfield pressure (QFE). What indication is shown during the flight?

Accepted Answer

Height above airfield

Answer

Airfield elevation

Answer

Pressure altitude

Answer

Altitude above MSL

Question 57

Distress messages contain...

Accepted Answer

Information concerning aircraft and their passengers which face a grave and imminent threat and require immediate assistance

Answer

Information concerning the safety of an aircraft, a watercraft or some other vehicle or person in sight.

Answer

Information concerning urgent spare parts which are required for a continuation of flight and which have to be ordered in advance.

Answer

Information concerning the apron personell and which imply an imminent danger to landing aircraft

Question 58

During a balloon ride, visibility continiously becomes poorer, also cloud base decreases in direction of the current track. How should the balloon pilot react to this situation?

Accepted Answer

Use next best chance for landing

Answer

Continue ride in ramaining altitude

Answer

Use GPS or radio navigation to continue ride in clouds

Answer

Break through the clouds and continue above clouds

Question 59

UTC is...

Accepted Answer

An obligatory time used in aviation.

Answer

A local time in Central Europe

Answer

A zonal time.

Answer

Local mean time at a specific point on Earth.

Question 60

The symbol labeled (2) as shown in the picture is a / an... See figure (MET-005) Siehe Anlage 4

Accepted Answer

Warm front.

Answer

Front aloft

Answer

Cold front.

Answer

Occlusion.

Question 61

What are primary criteria for selecting a landing site? 1. Obstacle situation 2. Elevation of the site 3. Strength of surface wind

Accepted Answer

1 and 3

Answer

1, 2 and 3

Answer

2 and 3

Answer

1 and 2

Question 62

The "Certificate of Airworthiness" is issued by the state...

Accepted Answer

In which the aircraft is registered.

Answer

Of the residence of the owner.

Answer

In which the airworthiness review is done.

Answer

In which the aircraft is constructed.

Question 63

How is an air mass described when moving to Central Europe via the Russian continent during winter?

Accepted Answer

Continental polar air

Answer

Continental tropical air

Answer

Maritime tropical air

Answer

Maritime polar air

Question 64

A cross-country flight is made using the ICAO 1 : 500.000 aeronautical chart. An overflight crosscheck shows that a distance of 4 cm in the chart has been passed within 12 minutes. After how many more minutes, the overflight of another waypoint at a chart distance of additional 6 cm can be expected?

Accepted Answer

18 min.

Answer

9 min

Answer

6 min

Answer

12 min

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