Answer:
An aircraft flying from a region of warmer air towards a region of colder air will _____ altitude, and the altimeter will read an altitude _____than the plane’s true elevation, unless corrections are made to the altimeter.
A. lose; lower
B. gain; lower
C. lose; higher
D. gain; higher
The correct option is 'B' gain; lower
Explanation:
When an aircraft flies from a region of warm air to a region of colder air there is an increase in the altitude, caused by the pressure created at these elevations. The altimeter will not show this increase in altitude and will remain constant, thus the reading of altimeter is lower when compared to the true elevation of the plane.
With the process happening repeatedly when the aircraft flies from the region of warm to cold air, the altimeter will read a higher value. On the other hand, if the aircraft flies from a region of cold air to warm air, the altimeter will read a lower value.
The altimeter reading can be made accurate if corrected.
