DR ELEMENT

On an aircraft, altitude is measured from which reference point?

• ADensity altitude
• BStandard altitude
• CPressure altitude

In ISA conditions, how does the rate of pressure decrease change with an increase in altitude?

• AIncreases
• BDecreases
• CRemains same

What is the rate of pressure decrease in the atmosphere?

• ALinear
• BExponential
• CProgressive