Airframe, Systems & Powerplant | PPL(A) AGK - EASA & UK CAA
Airframe, Systems & Powerplant practice questions for the EASA and UK CAA PPL(A) written exams.
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Airframe
Section titled "Airframe"What is the primary factor that determines the _______ in a light aircraft?
The _______, used in fuselage construction, is to:
Select the correct statement about a monocoque construction:
_______ are usually made of:
In terms of airframe construction, the correct statement about the _______ is:
Fuel system
Section titled "Fuel system"What is _______ in an aircraft's fuel system?
What key feature allows fuel to flow to the engine in an aircraft with a _______?
What could happen if _______ due to a fuel line leak?
What is the primary purpose of the _______ in an aircraft?
In the fuel system of a piston engine aircraft, what is the function of the _______?
What is the term _______ that can occur in an aircraft fuel system?
What is the primary function of the fuel pump in a piston engine fuel system?
On a low wing aircraft:
With regards to the aircraft fuel system, which of the following parameters can be _______? 1. Fuel pressure 2. Fuel temperature 3. Fuel density 4. Total fuel mass 5. Fuel flow 6. Fuel type 7. Remaining endurance
An integral fuel tank:
Piston engines - General
Section titled "Piston engines - General"What parts are responsible for converting linear motion to rotary motion?
The rotation speed of the _______ is:
The _______ is defined as the:
What is the correct order of cycles of a piston engine?
What _______ during induction?
Which of the following statements is correct regarding the exhaust valve?
Which of the following statements is correct regarding the intake valve?
In the valve system of piston engines, which of the following statements concerning _______ is correct?
Evaluate the following statements about piston engine valves:
Evaluate the following statements about piston engine valves:
Theoretically the compression _______ is a(n):
At what position of the cylinder does the _______?
What statement is correct regarding the combustion phase of a piston engines?
What dimension is a _______ defined as?
Approximately what is the _______ of a piston engine?
Brakes
Section titled "Brakes"Select the correct statement concerning drum and disk brakes:
Evaluate the following statements concerning drum and disk brakes in aircraft:
Evaluate the following statements concerning drum and disk brakes in aircraft:
During deceleration, the wheel brakes _______:
Electrical components
Section titled "Electrical components"In case a circuit breaker trips:
What is the difference between fuses and circuit breakers?
Which of the following statements is correct or incorrect concerning trip-free, and non-trip-free circuit breakers?
Concerning both fuses and circuit breakers:
Flight controls
Section titled "Flight controls"Which of the following are _______?
Which of the following are _______?
What is the primary difference between mechanical and powered flight controls in aircraft?
How do the ailerons move when _______?
What may be used to reduce the effect of adverse yaw?
What fuel is coloured _______?
Select the correct statement concerning fuel octane rating:
What is one key characteristic of alternate fuels compared to traditional AVGAS in piston engines?
In terms of fuel consumption, the definition of _______ is:
Which of the following is a common challenge when using automotive gasoline (MOGAS) in aircraft engines?
Engine compression ratio is _______:
Electrical distribution
Section titled "Electrical distribution"What is the main difference between AC (alternating current) and DC (direct current) in electrical systems?
What is the main characteristic of the _______ in an aircraft's electrical system?
The devices in an electrical system of an aircraft _______:
What is the main function of a _______ in an aircraft's electrical system?
The typical electrical current used in large aircraft is __(1)__, with a frequency of __(2)__.
In an aircraft, what does the term _______ refer to?
The electric system of small piston engine aircraft is:
Tyres and wheels
Section titled "Tyres and wheels"What is the result of _______ tyre pressure?
What is the phenomenon called _______?
Small single engine piston aeroplanes usually have:
When can we take off with the _______?
During aquaplaning, the coefficient of dynamic friction is approximately:
Carburettors and fuel injectors
Section titled "Carburettors and fuel injectors"Fuel injection systems are __(1)__ than carburettor systems, because __(2)__.
What is the most effective way to prevent carburettor icing?
In a degraded mode of carburettor operation, what could a _______?
Which of the following is a sign of carburettor icing?
Which of the following is correct regarding carburettor icing?
What is the primary difference between fuel injection and carburettor systems in terms of _______?
What unit is responsible for _______?
What could happen if the carburettor heat is used in normal conditions (without ice)?
On a flight where icing is expected, what is a common method of _______?
What is the primary purpose of a carburettor in a piston engine?
The operating principle of a _______ primarily relies on which of the following?
Performance and engine handling
Section titled "Performance and engine handling"High manifold pressure at a _______ can result in:
When _______ in an aircraft fitted with constant speed propeller:
With increasing altitude in the standard atmosphere, the power of a naturally aspirated engine will:
After take-off during the climb, to compensate for the decreasing density:
Wings, tail surfaces and control surfaces
Section titled "Wings, tail surfaces and control surfaces"What kind of load is created on _______ as a result of lift during flight?
Which functions does the _______ combine?
What structural member in the wing is responsible for _______ loads?
The forces of lift and weight of the wing create:
An advantage of a _______ structure is?
Wing ribs are responsible for:
A wing which has no struts and braces is defined as:
Manuevering speed (VA) is:
What may happen when we exceed the _______?
Load factor is:
During the steady climb and descent, the _______:
Nose wheel steering operation and design
Section titled "Nose wheel steering operation and design"The nose wheel is prone to shimmy:
Nose wheel shimmy can be _______:
Nose wheel steering on light civil aircraft _______:
The nose wheel steering is usually _______ the:
Mixture
Section titled "Mixture"What is the chemically correct air/fuel mixture ratio in a piston engine?
For piston engines, the fuel/air ratio or mixture is _______:
Consider a carburetted piston-engine aircraft. What is the primary function of the _______?
In a piston engine if the ratio of air to fuel is approximately _______:
When excessively leaning the fuel mixture for improved fuel economy, but maintaining a mixture still richer than peak exhaust gas temperature (EGT), which engine parameter(s) _______?
Which engine instrument is commonly used to monitor _______?
Air cooling systems
Section titled "Air cooling systems"The scenario when air cooled engines are _______:
What engine design provides the _______?
Electrics - General and definitions
Section titled "Electrics - General and definitions"For _______, What is the total resistance of the circuit?
What is the definition of _______?
If current flows through a wire:
Which of the following statements about capacitors is incorrect?
With what formula can electric power be calculated?
What statement is correct regarding magnets?
In what unit is the _______ measured?
Two resistances (2 Ohm and 3 Ohm) are connected in parallel in a DC circuit. What is the total resistance of the circuit?
In a DC circuit, two resistors are _______. Select the correct statement:
What formula can be used to calculate the _______ in a DC circuit?
The total capacitance of the capacitors _______ are the:
What is the correct form of _______?
In a DC circuit: with 1.33 Ohm resistance, voltage of 4V and a current of 3A.
In what unit is the _______ measured in?
In a simple DC circuit, the voltage is 6V and the resistance is 2 Ohm.
System design, loads, stresses, maintenance
Section titled "System design, loads, stresses, maintenance"The definition of _______:
Where is the _______ along the wing?
_______ can cause damage from the result of:
The definition of _______ is:
What is the correct formula?
What will happen to a structural member following _______?
A column is prone to buckling when:
What kind of deformation is it, when the material _______, after the force has been removed?
Anti-icing systems
Section titled "Anti-icing systems"Electrical heating for _______ are usually turned on:
Electric heating elements can be used as an _______ for:
What type of anti-ice system is used on _______?
Batteries
Section titled "Batteries"Two identical batteries are connected parallel. The battery's voltage is 24 V and the capacity is 30 Ah. What is the _______?
A battery can produce 4 Amperes for 15 hours. The ______ of the battery is:
If he capacity of a battery is 40 Ah, then the battery can supply _______:
If two batteries (12 V, 25 Ah) are connected in series the _______ will be:
Lubrication systems
Section titled "Lubrication systems"Which of the following statements is correct concerning lubrication systems in light aircraft?
The _______ in the oil system will open:
With an increase in temperature, the _______ will be:
The oil pressure is measured:
Generation
Section titled "Generation"Evaluate the following statements concerning the alternator and the generator:
When the alternator charges the battery the ammeter reads:
Landing gear
Section titled "Landing gear"Where does the center of gravity lie on _______?
Which statement is correct concerning the oleo-pneumatic shock absorbers?
Static electricity
Section titled "Static electricity"What is one of the most common effects of _______ on an aircraft's systems?
What should pilots do to minimize the risk of lightning strikes during flight?
What is defined as _______?
How does _______ affect an aircraft during flight?
How does _______ usually affect the structure of an aircraft?
The reason for _______ on the aircraft is:
Static wicks are placed on the trailing edge of an aerofoil to:
Which method is used to reduce static electricity build-up on aircraft?
What happens when _______?
Ignition circuits
Section titled "Ignition circuits"In what scenario can _______ on the ground be dangerous?
When _______ are turned off:
Propellers
Section titled "Propellers"For a fixed pitch propeller, the propeller efficiency when _______ is:
The velocity of a propeller blade as path per time, from the root to the tip, is:
At what position of the propeller is the _______?
Considering a fixed pitch propeller, during the take-off roll:
What is the effect of propeller ________?
What usually limits the diameter of the propeller?
During level flight with constant TAS and fixed pitch propeller, if we increase the rpm:
Hydraulics
Section titled "Hydraulics"Which of the following options best describes the relationship between force, pressure and area?
Characteristics of _______ are:
Pascal's law states that in liquid, an applied force:
Which of the following statements about hydraulic fluid is correct?
How does a simple hydraulic system function to in order to operate an aircraft's brakes?
Which of the following are essential components in a simple aircraft hydraulic system?
Hydraulic fluid commonly used in _______ is/are:
Which of the following components of a light airplane are usually actuated by the hydraulic system?