FAA GENERAL ORAL EXAM Questions With
100% Correct Answer Latest Updates 2025
GRADED A+
What are the customary units used to express hydraulic or pneumatic pressure in the United
States? - ✔Pounds per square inch (PSI)
Describe how pressure is transmitted when a force is applied to a confined liquid. - ✔Pressure is
transmitted equally in all directions,
What formula expresses the relationship between force, pressure and area? - ✔Force equals
area times pressure
What is the approximate speed of sound at sea level on a standard day? - ✔661 Knots or 340
meters per second.
What is the atmospheric pressure at sea level on a standard day? - ✔29.92 inches of Mercury or
10132 millibars
On a standard day at sea level, what is the value for temperature? - ✔-
59°F or 15°C.
What are the factors that determine density altitude? - ✔Temperature and atmospheric
pressure.
,What is the term used to describe the ratio between the amount of moisture actually present in
the atmosphere as compared to the amount the air could hold if it were
completely saturated? - ✔Relative humidity.
What are the four principle forces acting on an airplane in flight? - ✔Lift, drag, thrust and
gravity.
What is the term that describes the angle between the relative wind and the chord line of an
airfoil? - ✔The Angle of Attack.
What are the factors that cause an airplane wing to stall? - ✔stall is caused when the angle of
attack exceeds a critical value and the airflow separates from the upper surface and becomes
turbulent.
What are the principle effects that result from lowering the flaps while in flight? - ✔Lift
increases, drag increases and stall speed decreases.
What is the function of a wing mounted vortex generator? - ✔Vortex generators delay or keep
the airflow from separating from the
upper surface of a wing during high speed flight.
How does blade—flapping help to compensate for dissymmetry of lift in helicopter main rotor
systems? - ✔Flapping increases the angle of attack and lift on the retreating blade
and decreases the angle of attack and lift on the advancing blade.
One kilowatt is equal to how many watts? - ✔1,000 watts.
,What law describes the most fundamental or basic relationships in an electrical circuit? -
✔Ohm's law.
What are the three elements of Ohm's law? - ✔Voltage. current and resistance.
How would you write Ohm's law as an equation? - ✔E=IxR, R=E/I, l=E/R
If the resistance in a DC circuit remains the same but the voltage doubles, what happens to the
amount of current flowing in the circuit? - ✔It also doubles.
In DC circuits, what unit measures power? - ✔Watts.
What three elements are required to form an electrical circuit? - ✔A source of electrical energy,
a load or resistance to use the
electricity, and wires or conductors to connect the source to the load.
DC circuits can take one of three forms or types. What are they? - ✔Series, parallel and complex
(or series-parallel).
A 24-volt lead-acid battery has how many cells? - ✔Twelve.
A fully charged lead—acid battery has a specific gravity that varies between what two values? -
✔1.275 and 1.300,
You must apply a correction to the specific gravity reading of the electrolyte of a lead-acid
battery when the temperature is outside of what two values? - ✔Whenever the temperature is
less than 70°F or more than 90°F.
, What is the reason for having separate facilities for storing and servicing nickel-cadmium and
lead-acid batteries? - ✔The electrolyte in the two types of batteries is chemically opposite and
the fumes from one type can contaminate the electrolyte of the other type.
The state of charge of a nickel-cadmium battery cannot be determined by measuring the
specific gravity of the electrolyte for what reason? - ✔There is no significant change in the
specific gravity of the electrolyte
as the battery is charged or discharged.
What is the principal advantage of AC current over DC current? - ✔Power can be transmitted
over long distances more efficiently and with smaller wires because the voltage can be easily
increased or decreased
by a transformer
What are the three causes of opposition to current flow in an AC circuit? - ✔Resistance.
inductive reactance and capacitive reactance.
Define inductance. - ✔An induced voltage which is opposite in direction to the applied voltage
What component creates capacitance in AC circuits? - ✔A capacitor
How does a capacitor store electricity? - ✔The energy is stored in the form of an electrostatic
charge or field that exists between two conductors separated by an insulator
What property of an AC circuit is defined by the term "impedance"? - ✔The total opposltlon to
current flow
100% Correct Answer Latest Updates 2025
GRADED A+
What are the customary units used to express hydraulic or pneumatic pressure in the United
States? - ✔Pounds per square inch (PSI)
Describe how pressure is transmitted when a force is applied to a confined liquid. - ✔Pressure is
transmitted equally in all directions,
What formula expresses the relationship between force, pressure and area? - ✔Force equals
area times pressure
What is the approximate speed of sound at sea level on a standard day? - ✔661 Knots or 340
meters per second.
What is the atmospheric pressure at sea level on a standard day? - ✔29.92 inches of Mercury or
10132 millibars
On a standard day at sea level, what is the value for temperature? - ✔-
59°F or 15°C.
What are the factors that determine density altitude? - ✔Temperature and atmospheric
pressure.
,What is the term used to describe the ratio between the amount of moisture actually present in
the atmosphere as compared to the amount the air could hold if it were
completely saturated? - ✔Relative humidity.
What are the four principle forces acting on an airplane in flight? - ✔Lift, drag, thrust and
gravity.
What is the term that describes the angle between the relative wind and the chord line of an
airfoil? - ✔The Angle of Attack.
What are the factors that cause an airplane wing to stall? - ✔stall is caused when the angle of
attack exceeds a critical value and the airflow separates from the upper surface and becomes
turbulent.
What are the principle effects that result from lowering the flaps while in flight? - ✔Lift
increases, drag increases and stall speed decreases.
What is the function of a wing mounted vortex generator? - ✔Vortex generators delay or keep
the airflow from separating from the
upper surface of a wing during high speed flight.
How does blade—flapping help to compensate for dissymmetry of lift in helicopter main rotor
systems? - ✔Flapping increases the angle of attack and lift on the retreating blade
and decreases the angle of attack and lift on the advancing blade.
One kilowatt is equal to how many watts? - ✔1,000 watts.
,What law describes the most fundamental or basic relationships in an electrical circuit? -
✔Ohm's law.
What are the three elements of Ohm's law? - ✔Voltage. current and resistance.
How would you write Ohm's law as an equation? - ✔E=IxR, R=E/I, l=E/R
If the resistance in a DC circuit remains the same but the voltage doubles, what happens to the
amount of current flowing in the circuit? - ✔It also doubles.
In DC circuits, what unit measures power? - ✔Watts.
What three elements are required to form an electrical circuit? - ✔A source of electrical energy,
a load or resistance to use the
electricity, and wires or conductors to connect the source to the load.
DC circuits can take one of three forms or types. What are they? - ✔Series, parallel and complex
(or series-parallel).
A 24-volt lead-acid battery has how many cells? - ✔Twelve.
A fully charged lead—acid battery has a specific gravity that varies between what two values? -
✔1.275 and 1.300,
You must apply a correction to the specific gravity reading of the electrolyte of a lead-acid
battery when the temperature is outside of what two values? - ✔Whenever the temperature is
less than 70°F or more than 90°F.
, What is the reason for having separate facilities for storing and servicing nickel-cadmium and
lead-acid batteries? - ✔The electrolyte in the two types of batteries is chemically opposite and
the fumes from one type can contaminate the electrolyte of the other type.
The state of charge of a nickel-cadmium battery cannot be determined by measuring the
specific gravity of the electrolyte for what reason? - ✔There is no significant change in the
specific gravity of the electrolyte
as the battery is charged or discharged.
What is the principal advantage of AC current over DC current? - ✔Power can be transmitted
over long distances more efficiently and with smaller wires because the voltage can be easily
increased or decreased
by a transformer
What are the three causes of opposition to current flow in an AC circuit? - ✔Resistance.
inductive reactance and capacitive reactance.
Define inductance. - ✔An induced voltage which is opposite in direction to the applied voltage
What component creates capacitance in AC circuits? - ✔A capacitor
How does a capacitor store electricity? - ✔The energy is stored in the form of an electrostatic
charge or field that exists between two conductors separated by an insulator
What property of an AC circuit is defined by the term "impedance"? - ✔The total opposltlon to
current flow
