Anti-icing fluid should provide freezing point protection to
A.-20°F ambient temperature.
B.+32°F outside temperature or below.
C..a freezing point no greater than 20°F below the ambient or airplane surface temperature.
正确答案是C
Anti-icing fluid should provide freezing point protection to
A.-20°F ambient temperature.
B.+32°F outside temperature or below.
C..a freezing point no greater than 20°F below the ambient or airplane surface temperature.
正确答案是C