Exam quiz Quiz BPL Gas - Balloon Pilot License

Question 1

The minimum length of the towing rope is:

Accepted Answer

30 m

Answer

20 m

Answer

50 m

Answer

100 m

Question 2

During a balloon ride, visibility continuously 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 remaining altitude

Answer

Use GPS or radio navigation to continue ride in clouds

Answer

Break through the clouds and continue above clouds

Question 3

Carbon monoxide poisoning can be caused by...

Accepted Answer

Smoking

Answer

Unhealthy food

Answer

Alcohol

Answer

Little sleep

Question 4

With respect to aircraft accident and incident investigation, what are the three categories regarding aircraft occurrences?

Accepted Answer

Incident, Serious incident, Accident

Answer

Event, Serious event, Accident

Answer

Happening, Event, Serious event

Answer

Event, Crash, Disaster

Question 5

How does a gas react when released from a pressurized container?

Accepted Answer

The gas cools adiabatically due to expansion

Answer

The gas heats adiabatically due to expansion

Answer

The gas condenses inside the envelope

Answer

The gas cools due to thermal contact with environmental air

Question 6

A risk factor for decompression sickness is...

Accepted Answer

Scuba diving prior to flight

Answer

100 % oxygen after decompression

Answer

Sports

Answer

Smoking

Question 7

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

Accepted Answer

Homogeneous

Answer

Unstable

Answer

Stable

Answer

Inhomogeneous

Question 8

Wake turbulence is caused by...

Accepted Answer

Pressure compensation at the wingtip of an aerofoil

Answer

Wind shear at the wingtip of an aerofoil

Answer

Jet blast behind a turbine engine

Answer

Turbulence at the downwind side of a mountain range

Question 9

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

Perpendicular to net path

Question 10

How should a landing of a gas balloon be conducted at strong winds?

Accepted Answer

Drop tow; in sufficient height activate rip panel

Answer

Activate rip panel without throwing tow

Answer

Drop tow; activate rip panel after ground contact

Answer

Drop tow; conduct landing with use of valve

Question 11

How does air temperature change in ISA from MSL to approx. 10000 m height?

Accepted Answer

From +15° to -50°C

Answer

From +30° to -40°C

Answer

From -15° to 50°C

Answer

From +20° to -40°C

Question 12

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 13

In which situations should a pilot use blind transmissions?

Accepted Answer

When no radio communication can be established with the appropriate aeronautical station, but when evidence exists that transmissions are received at that ground unit

Answer

When a transmission containing important navigational or technical information is to be sent to several stations at the same time

Answer

When a pilot has flown into cloud or fog unintentionally and therefore would like to request navigational assistance from a ground unit

Answer

When the traffic situation at an airport allows the transmission of information which does not need to be acknowledged by the ground station

Question 14

The rotational axis of the Earth runs through the...

Accepted Answer

Geographic North Pole and on the geographic South Pole

Answer

Magnetic north pole and on the magnetic south pole

Answer

Geographic North Pole and on the magnetic south pole

Answer

Magnetic north pole and on the geographic South Pole

Question 15

Which altitude marks the lower limit where the body is unable to completely compensate the effects of the low atmospheric pressure?

Accepted Answer

12000 feet

Answer

7000 feet

Answer

22000 feet

Answer

5000 feet

Question 16

Given the following masses: Empty mass 260 kg Instruments 20 kg per gas container (full): 30 kg per person: 80 kg Assuming ISA temperatures, how many persons may be carried in the basket at maximum, if the balloon with 4 gas containers has to climb up to pressure altitude 9.000 ft ? (use attachment ECQB-PPL_BPL001)

Accepted Answer

4

Answer

5

Answer

2

Answer

3

Question 17

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 18

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

Accepted Answer

21600 NM

Answer

40000 NM

Answer

12800 km

Answer

10800 km

Question 19

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 20

The shown NOTAM is valid until... A1024/26 A) LOWW B) 2605211200 C) 2605211400 E) STOCKERAU VOR STO 113.00 UNSERVICEABLE.

Accepted Answer

21/05/2026 14:00 UTC

Answer

21/05/2027 13:00 UTC

Answer

13/05/2026 12:00 UTC

Answer

13/10/2026 00:00 UTC

Question 21

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 22

Which processes result in decreasing air density?

Accepted Answer

Increasing temperature, decreasing pressure

Answer

Increasing temperature, increasing pressure

Answer

Decreasing temperature, decreasing pressure

Answer

Decreasing temperature, increasing pressure

Question 23

The term "ceiling" is defined as the...

Accepted Answer

Height of the base of the lowest layer of clouds covering more than half of the sky below 20000 ft

Answer

Height of the base of the highest layer of clouds covering more than half of the sky below 20000 ft

Answer

Height of the base of the lowest layer of clouds covering more than half of the sky below 10000 ft

Answer

Altitude of the base of the lowest layer of clouds covering more than half of the sky below 20000 ft

Question 24

In case of radio communication failure within a CTR (control zone), the pilot has to ...

Accepted Answer

Continue the ride according to last clearance; in case of imminent danger land immediately

Answer

This has no consequences while in VMC

Answer

Maintain current altitude until leaving the control zone

Answer

Squawk transponder code A 7500

Question 25

In a given height, a given amount of ballast is unloaded from a gas balloon. How is the increase in height at 5500 m different from the increase in height at MSL by unloading the same amount of ballast?

Accepted Answer

At 5500 m the increase in height is twice as high

Answer

At 5500 m the increase in height is three times as high

Answer

At both heights the same increase in height is observed

Answer

At 5500 m the increase in height is four times as high

Question 26

What phrase is used by a pilot if a transmission is to be answered with "no"?

Accepted Answer

Negative

Answer

Finish

Answer

No

Answer

Not

Question 27

Damages at the basket ropes have to be fixed by:

Accepted Answer

By an Approved Aeronautical Workshop

Answer

By the balloon pilot

Answer

Upon the next Aeronautical Recurrence Certification

Answer

By tying with a part of a spare rope (during cruise)

Question 28

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 29

A balloon pilot decides to use one or more separate gas containers for initial heating during buildup. To ensure a safe buildup ...

Accepted Answer

The gas containers have to be fixed safely inside the basket

Answer

To expedite take-off, the gas containers have to be stored outside

Answer

No separate gas containers are allowed during buildup

Answer

Two gas containers (one inside, one outside) are to be used

Question 30

What is the call sign of the flight information service?

Accepted Answer

Information

Answer

Advice

Answer

Flight information

Answer

Info

Question 31

On what frequency shall a blind transmission be made?

Accepted Answer

On the current frequency

Answer

On a tower frequency

Answer

On a radar frequency of the lower airspace

Answer

On the appropriate FIS frequency

Question 32

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 33

A vertical speed indicator connected to a too big equalizing tank results in...

Accepted Answer

Indication too high

Answer

Mechanical overload

Answer

No indication

Answer

Indication too low

Question 34

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 35

What wind is reported as 225/15 ?

Accepted Answer

South-west wind with 15 kt

Answer

North-east wind with 15 km/h

Answer

South-west wind with 15 km/h

Answer

North-east wind with 15 kt

Question 36

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 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

Which of the following options are possible SSR-Transponder modes?

Accepted Answer

A, C, S

Answer

B, R, S

Answer

A, C, R

Answer

B, C, V

Question 39

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 40

The burst of a hydrogen pressure line may result in what risk?

Accepted Answer

The risk of hydrogen self-igniting and burning with invisible flame

Answer

The risk of hydrogen collecting in the basket and causing breath shortness

Answer

The risk of hydrogen self-igniting and burning with a bright flame

Answer

The risk of hydrogen dissipating to the atmosphere and poisoning the air

Question 41

Air consists of oxygen, nitrogen and other gases. What is the approximate percentage of other gases?

Accepted Answer

1 %

Answer

21 %

Answer

0.1 %

Answer

78 %

Question 42

What is the great circle distance between two points A and B on the equator when the difference between the two associated meridians is exactly one degree of longitude?

Accepted Answer

60 NM

Answer

216 NM

Answer

400 NM

Answer

120 NM

Question 43

During a flight in colder-than-ISA air the indicated altitude is...

Accepted Answer

Higher than the true altitude

Answer

Equal to the standard altitude

Answer

Lower than the true altitude

Answer

Equal to the true altitude

Question 44

What is the meaning of the abbreviation "ARC"?

Accepted Answer

Airworthiness Review Certificate

Answer

Airspace Restriction Criteria

Answer

Airworthiness Recurring Control

Answer

Airspace Rulemaking Committee

Question 45

Which statement is correct with regard to the short-term memory?

Accepted Answer

It can store 7 (±2) items for 10 to 20 seconds

Answer

It can store 5 (±2) items for 1 to 2 minutes

Answer

It can store 3 (±1) items for 5 to 10 seconds

Answer

It can store 10 (±5) items for 30 to 60 seconds

Question 46

Assume two arbitrary points A and B on the same parallel of latitude, but not on the equator. Point A is located on 010°E and point B on 020°E. The rhumb line distance between A and B is always...

Accepted Answer

Less than 600 NM

Answer

More than 300 NM

Answer

Less than 300 NM

Answer

More than 600 NM

Question 47

What is the correct way to transmit the call sign OE-JVK?

Accepted Answer

Oscar Echo Juliett Victor Kilo

Answer

Omega Echo Juliett Victor Kilogramm

Answer

Omega Echo Jankee Victor Kilo

Answer

Oscar Echo Jankee Victor Kilogramm

Question 48

A gas balloon has to be equipped with which tethers?

Accepted Answer

2 at 10 m or 1 at 20 m

Answer

1 at 40 m or 4 at 10 m

Answer

1 at 30 m or 3 at 10 m

Answer

2 at 20 m or 1 at 10 m

Question 49

With Central European Time (CET) given as UTC+1, what UTC time corresponds to 1700 CET?

Accepted Answer

1600 UTC

Answer

1800 UTC

Answer

1500 UTC

Answer

1700 UTC

Question 50

A true altitude is...

Accepted Answer

An altitude above mean sea level corrected for non-standard temperature

Answer

A height above ground level corrected for non-standard pressure

Answer

A height above ground level corrected for non-standard temperature

Answer

A pressure altitude corrected for non-standard temperature

Question 51

The dry adiabatic lapse rate has a value of...

Accepted Answer

1.0° C / 100 m

Answer

0.6° C / 100 m

Answer

0.65° C / 100 m

Answer

2° C / 1000 ft

Question 52

Point A on the Earth's surface lies exactly on the parallel of latitude of 47°50'27''N. Which point is exactly 240 NM north of A?

Accepted Answer

51°50'27''N

Answer

53°50'27''N

Answer

49°50'27''N

Answer

43°50'27''N

Question 53

Vienna (LOWW) is located at 016° 34'E, Salzburg (LOWS) at 013° 00'E. The latitude of both positions can be considered as equal. What is the difference of sunrise and sunset times, expressed in UTC, between Wien and Salzburg?

Accepted Answer

In Vienna the sunrise and sunset are about 14 minutes earlier than in Salzburg

Answer

In Vienna the sunrise and sunset are about 4 minutes later than in Salzburg

Answer

In Vienna the sunrise is 4 minutes later and sunset is 4 minutes earlier than in Salzburg

Answer

In Vienna the sunrise is 14 minutes earlier and sunset is 14 minutes later than in Salzburg

Question 54

How will the sag of the pull rope change during descent?

Accepted Answer

It will decrease

Answer

It will remain unchanged

Answer

It will increase

Answer

It will change periodically

Question 55

What should be considered regarding a scheduled flight over water, when land cannot be reached in case of an emergency landing?

Accepted Answer

For all passengers there must be life jackets or lifeboats present

Answer

Transponder code 7600 has to be set during the whole flight

Answer

Contact to the nearest ATC shall consist during the whole flight

Answer

The flight plan has to contain the exact waypoints

Question 56

Before buildup, the buildup team has to be informed about correct behaviour at sudden critical situations how?

Accepted Answer

By the balloon pilot

Answer

Only at gusty winds

Answer

Twice

Answer

At least two days before

Question 57

What values are usually marked with a red line on instrument displays?

Accepted Answer

Operational limits

Answer

Caution areas

Answer

Recommended areas

Answer

Operational areas

Question 58

In a METAR, "heavy rain" is designated by the identifier...

Accepted Answer

+RA

Answer

RA

Answer

+SHRA

Answer

SHRA

Question 59

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 60

A flight is called a "visual flight", if the...

Accepted Answer

Flight is conducted under visual flight rules

Answer

Flight is conducted in visual meteorological conditions

Answer

Visibility in flight is more than 8 km

Answer

Visibility in flight is more than 5 km

Question 61

What is the meaning of an area marked as "TMZ"?

Accepted Answer

Transponder Mandatory Zone

Answer

Touring Motorglider Zone

Answer

Traffic Management Zone

Answer

Transportation Management Zone

Question 62

The term "runway" is defined as a...

Accepted Answer

Rectangular area on a land aerodrome prepared for the landing and take-off of aircraft

Answer

Rectangular area on a land or water aerodrome prepared for the landing and take-off of aircraft

Answer

Rectangular area on a land aerodrome prepared for the landing and take-off of helicopters

Answer

Round area on an aerodrome prepared for the landing and take-off of aircraft

Question 63

What is the percentage of nitrogen in the atmosphere?

Accepted Answer

78 %

Answer

0.1 %

Answer

21 %

Answer

1 %

Question 64

What pressure pattern can be observed during the passage of a polar front low?

Accepted Answer

Falling pressure in front of the warm front, constant pressure within the warm sector, rising pressure behind the cold front

Answer

Falling pressure in front of the warm front, constant pressure within the warm sector, falling pressure behind the cold front

Answer

Rising pressure in front of the warm front, constant pressure within the warm sector, rising pressure behind the cold front

Answer

Rising pressure in front of the warm front, rising pressure within the warm sector, falling pressure behind the cold front

Quiz BPL Gas - Balloon Pilot License Exam Simulation

Quiz Quiz BPL Gas - Balloon Pilot License 100 questions on 120 minutes