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The 747-400 has a cruise speed of __________(a) Mach 0.755(b) Mach 0.855(c) Mach 0.655(d) Mach 0.955I had been asked this question in class test.Asked question is from Boeing 747 Family of Aircraft’s topic in division Boeing Family Overview of Aircraft Maintenance

Answer»

The correct answer is (b) Mach 0.855

The explanation is: The 747 has a cruise SPEED of up to Mach 0.855, on DIFFERENT versions of the 747-400. The 747-400 was offered in various configurations LIKE passenger, freighter, combi, domestic, EXTENDED range passenger and extended range freighter versions.



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