PHYSICS FOR AVIATION Flashcards
(7 cards)
8469
Which condition is the actual amount of water vapor in a mixture of air and water?
A. Relative humidity
B. Dewpoint
C. Absolute humidity
C
8472
Which will weight the least?
A. 98 parts of dry air and 2 parts of water vapor.
B. 35 parts of dry air and 65 parts of water vapor.
C. 50 parts of dry air and 50 parts of water vapor.
B
8473
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. Absolute humidity
B. Relative humidity
C. Dewpoint
B
8478
Which atmospheric conditions will cause the true landing speed of an aircraft to be the greatest?
A. Low temperature with low humidity
B. High temperature with low humidity
C. High temperature with high humidity
C
8483
What is absolute humidity?
A. The temperature to which humid air must be cooled at constant pressure to become saturated.
B. The actual amount of the water vapor in a mixture of air and water.
C. The ratio of the water actually present in the atmosphere to the amount that would be present if the air were saturated at the prevailling temperature and pressure.
B
8484
The temperature to which humid air must be cooled at constant pressure to become saturated is called:
A. Dewpoint
B. Absolute humidity
C. Relative humidity
A