"The amount of gas in a smaller space has higher pressure" is consistent with which law?
What is Boyle’s Law?
A description of the atmosphere on a common day
What is ISA - International Standard Atmosphere?
measured from zero or from a vacuum
What is Absolute Pressure
Fluid power systems are also known as...
What are hydraulic-pneumatic power systems?
Additional aircraft component designed to reduce vortex formation in flight.
What are winglets?
A law describing a directly proportional relationship between Temperature and Volume
What is Charles’ Law?
MSL
What is Mean Sea Level?
A barometer measures
What is atmospheric pressure
The measure of pressure at MSL on an ICOA Standard day.
What is 29.92 inHg and/or 14.69 psi?
a hole in the side of an aircraft
What is a static port?
This law describes the pressure attributable to an individual gas in a mixture of gases.
What is Dalton’s Law (aka - Partial Pressure)
Differential Pressure
What is PSID?
Which is the ratio of the water vapor actually present in the atmosphere to the amount that would be present if the air were saturated at the prevailing temperature and pressure?
a. Dewpoint
b. Absolute humidity
c. Relative humidity
What is relative humidity
The frequency at which a body vibrates most easily
What is resonant frequency?
This tube points in the direction of flight and is important for measuring speed.
What is a Pitot Tube?
This is applicable in considering Velocity and Pressure in converging and diverging ducts
What is Bernoulli’s Principle?
the angle between the chord line of a wing and the direction of the oncoming airflow
What is AOA (Angle of Attack)?
A measurement of the amount of pressure above atmospheric pressure.
What is PSIG or Gauge Pressure
The percentage of the aircraft’s speed to the speed of sound in that place
What is a Mach number?
A wing arrangement in which the tip is above (higher than) its root
What is a wing dihedral?
The reason that the pressure in all parts of a hydraulic system is the same.
What is Pascal’s Law?
The three types of Pressure measurement
What are
PSIA - Absolute pressure - pressure measured from 0 pressure, or in a vacuum
PSIG - Gauge Pressure - pressure above ambient or static pressure
PSID - Differential Pressure - difference between 2 opposing pressures
An airspeed indicator is an example of a device that functions using…
What is Differential Pressure?
The temperature at which the current amount of water in the air becomes saturated
This component of a wing allows some air to slip through to lower stall speeds
What is a slotted flap?