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

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.

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

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.

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

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

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.

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

Which constructional elements give the wing its profile shape?

Spar

Planking

Tip

Ribs

Which of the stated materials shows the highest strength?

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.

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

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

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

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

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

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

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

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

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

2 plate Wankel

2 Cylinder Diesel

4 Cylinder; 4 stroke

4 Cylinder 2 stroke

What does the dynamic pressure depend directly on?

Air pressure and air temperature

Air density and airflow speed squared

Lift- and drag coefficient

Air density and lift coefficient

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

sensed by the pitot tube.

inside the airplane cabin.

of undisturbed airflow.

resulting from orderly flow of air particles.

The Pitot / static system is required to...

prevent potential static buildup on the aircraft.

correct the reading of the airspeed indicator to zero when the aircraft is static on the ground.

prevent icing of the Pitot tube.

measure total and static air pressure.

Which cockpit instruments are connected to the static port?

Altimeter, slip indicator, navigational computer

Airspeed indicator, altimeter, direct-reading compass

Altimeter, vertical speed indicator, airspeed indicator

Airspeed indicator, direct-reading compass, slip indicator

Which of the mentioned cockpit instruments is connected to the pitot tube?

Vertical speed indicator

Airspeed indicator

Direct-reading compass

Altimeter

Which pressure is sensed by the Pitot tube?

Cabin air pressure

Total air pressure

Dynamic air pressure

Static air pressure

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

Blocking of static pressure lines.

Leakage in compensation vessel.

Failure of the electrical system.

Blocking of pitot tube.

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

Height above airfield

Pressure altitude

Altitude above MSL

Airfield elevation

A true altitude is...

an altitude above mean sea level corrected for non-standard temperature.

a height above ground level corrected for non-standard temperature.

a height above ground level corrected for non-standard pressure.

a pressure altitude corrected for non-standard temperature.

Which is the purpose of the altimeter subscale?

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

To adjust the altimeter reading for non-standard temperature

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

To correct the altimeter reading for system errors

Which instrument can be affected by the hysteresis error?

Tachometer

Vertical speed indicator

Direct reading compass

Altimeter

The measurement of altitude is based on the change of the...

static pressure.

total pressure.

dynamic pressure.

differential pressure.

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

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

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

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

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

When is it necessary to adjust the pressure in the reference scale of an altimeter?

After maintenance has been finished

Every day before the first flight

Before every flight and during cross country flights

Once a month before flight operation

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

an altitude indication which is too low.

an altitude indication which is too high.

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

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

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 less than before

Zero

80 m more than before

Values depending on QNH

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

no indication

indication too high

mechanical overload

indication too low

Which of the following options states the working principle of a vertical speed indicator?

Measuring the vertical acceleration through the displacement of a gimbal-mounted mass

Static air pressure is measured and compared against a vacuum

Total air pressure is measured and compared to static pressure

Measuring the present static air pressure and comparing it to the static air pressure inside a reservoir

A vertical speed indicator measures the difference between...

total pressure and static pressure.

instantaneous total pressure and previous total pressure.

dynamic pressure and total pressure.

instantaneous static pressure and previous static pressure.

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

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

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

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

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

SPL - Aircraft General Knowledge

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