Question 1 is a measure of altitude computed by sensing the Static Pressure. A Geometric Altitude B Pressure Altitude C Geopotential Altitude D Density.

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Presentation transcript:

Question 1 is a measure of altitude computed by sensing the Static Pressure. A Geometric Altitude B Pressure Altitude C Geopotential Altitude D Density Altitude

Question 2 is the measure of the temperature at the surface of the aircraft. A Ambient Temperature B Standard Temperature C Static Temperature D A&B

Question 3 Geometric Altitude is the physical distance Of the aircraft from sea level. This measurement is dependent of the pressure effects. A True B False

Question 4 The pressure ratio() is 1 when A P amb > P SeaLevel B P amb = P SeaLevel C P 2 amb / P SeaLevel D P amb =P SeaLevel

Question 5 The Barometric Pressure at a hypothetical reference point known as 'mean sea level' that has an ambient temperature of 15 F and is an ambient pressure of inHg. A True B False

The Base Standards(ISA) ParameterValueUnits Pressure2,116.22lbs/ft 2 Density Slugs/ft 3 Temperature59ºF=15ºC=288.16ºK= ºR Fahrenheit, Celsius, Kelvin, Rankine Gravity ft/sec 2 Gas Constant53.35ft/ºR Direction (Question 6-10) In the base standards (ISA) condition, calculate followings. -Temperature Ratio=T ambient / T sea level = θ = 1-(6.8753*10 -6 )*Altitude -Pressure Ratio=P ambient / P sea level = δ = (1-6.88*10 -6 *Altitude) 5.26

A ºC C ºC B ºC D ºC Question 6 Standard Ambient Temperature (ºC) on the altitude 25,000ft. [Tip: Degrees C=Degrees R*(5/9) ] A. 2, C B. 2, D Question 7 Standard Ambient Pressure (lbs/ft 2 ) on the altitude 25,000ft.

A C B D Question 8 Temperature ratio (θ) on 18,000ft height. A. 19,690 ft C. 23,500 ft B. 17,470 ft D. 25,420 ft Question 9 When the ambient temperature is -24 ºC, what is the altitude? [Tip: Degrees R=(Degrees C ) *(9/5)]

A. 8,477 C. 10,074 B. 9,206 D. 13,900 Question 10 When the ambient pressure is 1,500 lbs/ft 2, what is the altitude?