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What is the difference between a radar altimeter and a barometric altimeter?
Radar altimeter gets altitude information by bouncing a radio wave off the surface of the Earth and determines the aircrafts altitude by measuring the length of time it takes for the signal to return. Barometric altimeters get altitude information by measuring the barometric air pressure outside the aircraft. Barometric pressure decreases as altitude increases. Radar altimeters will give altitude above ground level while barometric altimeters give altitude above sea level.
What is measured by an altimeter?
An altimeter does not actually measure altitude directly, but rather just atmospheric pressure. So an altimeter is actually a barometer created for a specific purpose. See related link The altimeter measures the height above the ground and has a pointer which is adjustable depending in which air field you are taking off on. it measures the pressure of the air as you get higher off the ground the pressure reduces therefore it is able to determine your height above ground.
Why electronic equipment not work in high altitude?
Electronic equipment can operate just fine in high altitude. You simply need to account for environmental issues, such as heat dissipation. Take, for instance, electronics in a satellite - that is the ultimate high altitude.
What describes a challenge that the engineer of a high altitude airplane?
A key challenge for engineers designing high-altitude airplanes is ensuring structural integrity and performance in extreme atmospheric conditions. At high altitudes, the air pressure is significantly lower, which can affect engine efficiency and aerodynamic stability. Additionally, engineers must address temperature variations and the potential for reduced oxygen levels, which necessitate advanced materials and systems to maintain safety and functionality. Balancing these factors while optimizing fuel efficiency and operational range adds further complexity to the design process.
Why will increasing a rocket's volume increase altitude?
Magnets.
Does atmospheric pressure increase with altitude?
No, atmospheric pressure decreases with altitude.
What happens to atmospheric pressure as altitude increases?
As altitude increases, atmospheric pressure decreases.
What will happen to the atmospheric pressure as the altitude increases?
Atmospheric pressure will decrease as altitude increases.
Does pressure increase as you are increasing altitude?
No. Atmospheric pressure decreases as altitude increases.
How can you determine altitude of aircraft visually?
Determining altitude visually is impossible. You could easily go wrong. That's why there are altimeters present in all aircrafts.
Determines the temperature of atmospheric layers?
altitude
What happens with altitude relative to pessure?
as altitude rises less there is less atmospheric pressure
Which condition will pressure altitude be equal to true altitude?
When standard atmospheric conditions exist.
What instrument is used is normally used to measure atmospheric pressure?
A barometer is used to measure atmospheric pressure. It can also measure altitude!
What instrument is used to measure atmospheric?
A barometer is used to measure atmospheric pressure. It can also measure altitude!
What are astronomical parameters for moon sighting?
the astronomical parameters are 1-elongation 2-altitude at the time of sunset 3-width of lunar disc
Does pressure decrease with altitude?
Yes, pressure decreases with altitude. As altitude increases, the air becomes less dense, resulting in lower atmospheric pressure.
