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

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

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

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

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

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

Which of the following states the working principle of an airspeed indicator?

Total air pressure is measured and compared against static air pressure.

Total air pressure is measured by the static ports and converted into a speed indication by the airspeed indicator

Dynamic air pressure is measured by the Pitot tube and converted into a speed indication by the airspeed indicator

Total air pressure is measured and compared against static air pressure.

Static air pressure is measured and compared against a vacuum.

What is necessary for the determination of speed (IAS) by the airspeed indicator?

The difference between the total pressure and the static pressure

The difference between the total pressure and the dynamic pressure

The difference between the dynamic pressure and the static pressure

The difference between the standard pressure and the total pressure

The difference between the total pressure and the static pressure

The indication of a magnetic compass deviates from magnetic north direction due to what errors?

Deviation, turning and acceleration errors

Inclination and declination of the earth's magnetic field

Variation, turning and acceleration errors

card2brain.ch

Which cockpit instruments are connected to the static port?

Altimeter, slip indicator, navigational computer

Airspeed indicator, altimeter, direct-reading compass

Airspeed indicator, direct-reading compass, slip indicator

Altimeter, vertical speed indicator, airspeed indicator

Altimeter, slip indicator, navigational computer

Airspeed indicator, altimeter, direct-reading compass

Airspeed indicator, direct-reading compass, slip indicator

Altimeter, vertical speed indicator, airspeed indicator

An aircraft in the northern hemisphere intends to turn on the shortest way from a heading of 360° to a heading of 270°. At approximately which indication of the magnetic compass should the turn be terminated?

270°

240°

300°

360°

270°

240°

300°

360°

The term "static pressure" is defined as pressure...

inside the airplane cabin.

sensed by the pitot tube.

resulting from orderly flow of air particles.

of undisturbed airflow.

inside the airplane cabin.

sensed by the pitot tube.

resulting from orderly flow of air particles.

of undisturbed airflow.

An aircraft in the northern hemisphere intends to turn on the shortest way from a heading of 030° to a heading of 180°. At approximately which indicated magnetic heading should the turn be terminated?

210°.

180°.

360°.

150°.

210°.

180°.

360°.

150°.

What does the dynamic pressure depend directly on?

Air density and airflow speed squared

Air density and lift coefficient

Lift- and drag coefficient

Air pressure and air temperature

Air density and airflow speed squared

Air density and lift coefficient

Lift- and drag coefficient

Air pressure and air temperature

The airspeed indicator is unserviceable. The airplane may only be operated...

when the airspeed indicator is fully functional again.

if no maintenance organization is around.

when a GPS with speed indication is used during flight.

if only airfield patterns are flown.

when the airspeed indicator is fully functional again.

if no maintenance organization is around.

when a GPS with speed indication is used during flight.

if only airfield patterns are flown.

What difference in altitude is shown by an altimeter, if the reference pressure scale setting is changed from 1000 hPa to 1010 hPa?

80 m more than before

Zero

Values depending on QNH

80 m less than before

80 m more than before

Zero

Values depending on QNH

80 m less than before

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

Altitude above MSL

Height above airfield

Pressure altitude

Airfield elevation

Altitude above MSL

Height above airfield

Pressure altitude

Airfield elevation

A vertical speed indicator measures the difference between...

dynamic pressure and total pressure.

instantaneous total pressure and previous total pressure.

total pressure and static pressure.

instantaneous static pressure and previous static pressure.

dynamic pressure and total pressure.

instantaneous total pressure and previous total pressure.

total pressure and static pressure.

instantaneous static pressure and previous static pressure.

The term "inclination" is defined as...

angle between magnetic and true north.

angle between airplane's longitudinal axis and true north.

deviation induced by electrical fields.

angle between earth's magnetic field lines and horizontal plane.

angle between magnetic and true north.

angle between airplane's longitudinal axis and true north.

deviation induced by electrical fields.

angle between earth's magnetic field lines and horizontal plane.

During a right turn, the yaw string is drawn to the left from center position. By what rudder input can the string be centered again?

More bank, less rudder in turn direction

Less bank, more rudder in turn direction

Less bank, less rudder in turn direction

More bank, more rudder in turn direction

More bank, less rudder in turn direction

Less bank, more rudder in turn direction

Less bank, less rudder in turn direction

More bank, more rudder in turn direction

During a left turn, the yaw string is drawn to the left from center position. By what rudder input can the string be centered again?

More bank, more rudder in turn direction

More bank, less rudder in turn direction

Less bank, more rudder in turn direction

Less bank, less rudder in turn direction

More bank, more rudder in turn direction

More bank, less rudder in turn direction

Less bank, more rudder in turn direction

Less bank, less rudder in turn direction

What kind of defect results in loss of airworthiness of an airplane?

Scratch on the outer painting

Crack in the cabin hood plastic

Dirty wing leading edge

Damage to load-bearing parts

Scratch on the outer painting

Crack in the cabin hood plastic

Dirty wing leading edge

Damage to load-bearing parts

The mass loaded on the plane is lower than the minimum load required by the load sheet. What action has to be taken?

Load ballast weight up to minimum load

Change incident angle of elevator

Trim aircraft to "pitch down"

Change pilot seat position

Load ballast weight up to minimum load

Change incident angle of elevator

Trim aircraft to "pitch down"

Change pilot seat position

Water ballast increases wing load by 40%. By what percentage does the minimum speed of the glider plane increase?

40%

100%

18%

200%

40%

100%

18%

200%

With decreasing air density the airflow speed increases at stall speed (TAS) and vice versa. How has a final approach to be conducted on a hot summer day?

With unchanged speed indication (IAS)

With additional speed according POH

With decreased speed indication (IAS)

With increased speed indication (IAS)

With unchanged speed indication (IAS)

With additional speed according POH

With decreased speed indication (IAS)

With increased speed indication (IAS)

What is the purpose of winglets?

Increase of lift and turning maneuvering capabilities.

Increase gliding performance at high speed.

Reduction of induced drag.

To increase efficiency of aspect ratio.

Increase of lift and turning maneuvering capabilities.

Increase gliding performance at high speed.

Reduction of induced drag.

To increase efficiency of aspect ratio.

What engines are commonly used with Touring Motor Gliders (TMG)?

2 Cylinder Diesel

2 plate Wankel

4 Cylinder; 4 stroke

4 Cylinder 2 stroke

2 Cylinder Diesel

2 plate Wankel

4 Cylinder; 4 stroke

4 Cylinder 2 stroke

Airspeed indicator, altimeter and vertical speed indicator all show incorrect indications at the same time. What error can be the cause?

Blocking of pitot tube.

Failure of the electrical system.

Leakage in compensation vessel.

Blocking of static pressure lines.

Blocking of pitot tube.

Failure of the electrical system.

Leakage in compensation vessel.

Blocking of static pressure lines.

Information about maximum allowed airspeeds can be found where?

POH and posting in briefing room

POH, Cockpit panel, airspeed indicator

airspeed indicator, cockpit panel and AIP part ENR

POH, approach chart, vertical speed indicator

POH and posting in briefing room

POH, Cockpit panel, airspeed indicator

airspeed indicator, cockpit panel and AIP part ENR

POH, approach chart, vertical speed indicator

The load factor "n" describes the relationship between...

thrust and drag.

lift and weight.

weight and thrust.

drag and lift.

Keyboard commands:

= turn,

= for-/backward,

= scroll

thrust and drag.

lift and weight.

weight and thrust.

drag and lift.

The fuselage structure may be damaged by...

airspeed decreasing below a certain value.

stall after exceeding the maximum angle of attack.

exceeding the manoeuvering speed in heavy gusts.

neutralizing stick forces according to actual flight state.

Keyboard commands:

= turn,

= for-/backward,

= scroll

airspeed decreasing below a certain value.

stall after exceeding the maximum angle of attack.

exceeding the manoeuvering speed in heavy gusts.

neutralizing stick forces according to actual flight state.

What kind of defect results in loss of airworthiness of an airplane?

Dirty wing leading edge

Crack in the cabin hood plastic

Damage to load-bearing parts

Scratch on the outer painting

Keyboard commands:

= turn,

= for-/backward,

= scroll

Dirty wing leading edge

Crack in the cabin hood plastic

Damage to load-bearing parts

Scratch on the outer painting

The thickness of the wing is defined as the distance between the lower and the upper side of the wing at the...

thinnest part of the wing.

thickest part of the wing.

most outer part of the wing.

most inner part of the wing.

Keyboard commands:

= turn,

= for-/backward,

= scroll

thinnest part of the wing.

thickest part of the wing.

most outer part of the wing.

most inner part of the wing.

Which are the advantages of sandwich structures?

Low weight, high stiffness, high stability, and high strength

High strength and good formability

High temperature durability and low weight

Good formability and high temperature durability

Keyboard commands:

= turn,

= for-/backward,

= scroll

Low weight, high stiffness, high stability, and high strength

High strength and good formability

High temperature durability and low weight

Good formability and high temperature durability

What is a tubular steel construction with a non self-supporting skin referred to as?

Honeycomb structure

Monocoque construction

Semi-monocoque construction.

Grid construction

Keyboard commands:

= turn,

= for-/backward,

= scroll

Honeycomb structure

Monocoque construction

Semi-monocoque construction.

Grid construction

The sandwich structure consists of two...

thick layers and a heavy core material.

thick layers and a light core material.

thin layers and a light core material.

thin layers and a heavy core material.

Keyboard commands:

= turn,

= for-/backward,

= scroll

thick layers and a heavy core material.

thick layers and a light core material.

thin layers and a light core material.

thin layers and a heavy core material.

What are the major components of an aircraft's tail?

Horizontal tail and vertical tail

Rudder and ailerons

Steering wheel and pedals

Ailerons and elevator

Keyboard commands:

= turn,

= for-/backward,

= scroll

Horizontal tail and vertical tail

Rudder and ailerons

Steering wheel and pedals

Ailerons and elevator

Which constructional elements give the wing its profile shape?

Spar

Planking

Tip

Ribs

Keyboard commands:

= turn,

= for-/backward,

= scroll

Spar

Planking

Tip

Ribs

Which of the stated materials shows the highest strength?

Aluminium

Wood

Magnesium

Carbon fiber re-inforced plastic

Keyboard commands:

= turn,

= for-/backward,

= scroll

Aluminium

Wood

Magnesium

Carbon fiber re-inforced plastic

A construction made of frames and stringer with a supporting skin is called...

Semi-monocoque construction.

Wood- or mixed construction.

Grid construction.

Honeycomb structure.

Semi-monocoque construction.

Wood- or mixed construction.

Grid construction.

Honeycomb structure.

Primary fuselage structures of wood or metal planes are usually made up by what components?

Frames and stringer

Girders, ribs and stringers

Ribs, frames and covers

Covers, stringers and forming parts

Frames and stringer

Girders, ribs and stringers

Ribs, frames and covers

Covers, stringers and forming parts

A movement around the longitudinal axis is primarily initiated by the...

rudder.

ailerons.

trim tab.

elevator.

rudder.

ailerons.

trim tab.

elevator.

What are the primary and the secondary effects of a rudder input to the left?

Primary: yaw to the right Secondary: roll to the right

Primary: yaw to the right Secondary: roll to the left

Primary: yaw to the left Secondary: roll to the right

Primary: yaw to the left Secondary: roll to the left

Primary: yaw to the right Secondary: roll to the right

Primary: yaw to the right Secondary: roll to the left

Primary: yaw to the left Secondary: roll to the right

Primary: yaw to the left Secondary: roll to the left

What is the effect of pulling the control yoke or stick backwards?

The aircraft's tail will produce an decreased upward force, causing the aircraft's nose to drop

The aircraft's tail will produce an increased downward force, causing the aircraft's nose to rise

The aircraft's tail will produce an increased upward force, causing the aircraft's nose to rise

The aircraft's tail will produce an increased downward force, causing the aircraft's nose to drop

The aircraft's tail will produce an decreased upward force, causing the aircraft's nose to drop

The aircraft's tail will produce an increased downward force, causing the aircraft's nose to rise

The aircraft's tail will produce an increased upward force, causing the aircraft's nose to rise

The aircraft's tail will produce an increased downward force, causing the aircraft's nose to drop

About how many axes does an aircraft move and what are these axes called?

3; vertical axis, lateral axis, longitudinal axis

4; vertical axis, lateral axis, longitudinal axis, axis of speed

3; x-axis, y-axis, z-axis

4; optical axis, imaginary axis, sagged axis, axis of evil

3; vertical axis, lateral axis, longitudinal axis

4; vertical axis, lateral axis, longitudinal axis, axis of speed

3; x-axis, y-axis, z-axis

4; optical axis, imaginary axis, sagged axis, axis of evil

What is the purpose of the secondary flight controls?

To constitute a backup system for the primary flight controls

To enable the pilot to control the aircraft's movements about its three axes

To improve the performance characteristics of an aircraft and relieve the pilot of excessive control forces

To improve the turn characteristics of an aircraft in the low speed regime during approach and landing

To constitute a backup system for the primary flight controls

To enable the pilot to control the aircraft's movements about its three axes

To improve the performance characteristics of an aircraft and relieve the pilot of excessive control forces

To improve the turn characteristics of an aircraft in the low speed regime during approach and landing

The trim wheel or lever in the cockpit is moved aft by the pilot. What effect does this action have on the trim tab and on the elevator?

The trim tab moves up, the elevator moves down

The trim tab moves down, the elevator moves down

The trim tab moves down, the elevator moves up

The trim tab moves up, the elevator moves up

The trim tab moves up, the elevator moves down

The trim tab moves down, the elevator moves down

The trim tab moves down, the elevator moves up

The trim tab moves up, the elevator moves up

When trimming an aircraft nose up, in which direction does the trim tab move?

It moves up

It moves down

Depends on CG position

In direction of rudder deflection

It moves up

It moves down

Depends on CG position

In direction of rudder deflection

What engines are commonly used with Touring Motor Gliders (TMG)?

2 plate Wankel

2 Cylinder Diesel

4 Cylinder; 4 stroke

4 Cylinder 2 stroke

2 plate Wankel

2 Cylinder Diesel

4 Cylinder; 4 stroke

4 Cylinder 2 stroke

SPL - Aircraft General Knowledge

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