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Only a few "modern turbofan engines" have clamshells. Most have translating sleeves, which move aft and move a series of blocker doors to deflect the fan thrust forwards through the diffuser vanes.
So the core of the engine still produces forward thrust throughout the application.
Their answer (b) is totally incorrect. The fan does NOT reverse on any turbofan. (d) would be correct for a low-bypass engine, but is also correct on an aircraft like a B717.
I like the Dutch roll question. I choose 'E' - Found in a patisserie in the Netherlands
Flight Safety really needs to move into the 90's and get a professional proof reader. Suspect/incorrect/misleading information such as the above is one reason I no longer read it.
Originally Posted by Old Farang
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