Operational Procedureseasy#1069
If volcanic ash is ingested into jet engines, the first indication may be:
A
Vibration and power loss
B
A sulfurous smell and St. Elmo's fire on the windshield
CorrectC
Engine fire warning
D
Cabin depressurization
Explanation
Early signs of volcanic ash encounter include acrid smell (sulfur), St. Elmo's fire, and haze in the cockpit, followed by engine surge and flameout.
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