With a gas turbine engine, engine anti-icing should be selected ‘ON’:  
a. Whenever the igniters are on  
b. Whenever the IOAT is +10°C or below and the air contains visible moisture  c. Whenever the TOAT is +10°C or below and it is raining  
d. Whenever the ice detector system warning light comes on

1 Answer

Answer :

b. Whenever the IOAT is +10°C or below and the air contains visible moisture

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Last Answer : b. Whenever the IOAT is +10°C or below and the air contains visible moisture

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