CRP5

#5. The velocity of the speed of sound at sea level in the standard atmosphere is?

• A644 kts.
• B1059 kts.
• C661 kts
• D332 kts.

#6. If outside air temperature at 35000 ft is -40°C, the local speed of sound is?

• A307 kts.
• B247 kts.
• C596 kts.
• D686 kts.

#1. An aircraft is flying at an indicated altitude of 16000 ft. The outside air temperature is -30°C. What is the true altitude?

• A16200 ft
• B15200 ft.
• C18600 ft.
• D13500 ft.