The formula for velocity of maximum specific air range is __________(a) \(\big[\frac{3-n}{1+n}\big]^{\frac{1}{4}}\)(b) \(\big[\frac{3-n}{1+n}\big]^{\frac{1}{3}}\)Vmd(c) \(\big[\frac{3-n}{1+n}\big]^{\frac{1}{4}}\)Vmd(d) \(\big[\frac{3+n}{1+n}\big]^{\frac{1}{4}}\)VmdI have been asked this question in an online interview.My query is from Cruising Performance topic in portion Cruising Performance of Aircraft Performance

The formula for velocity of maximum specific air range is __________(a

1.	The formula for velocity of maximum specific air range is __________(a) \(\big[\frac{3-n}{1+n}\big]^{\frac{1}{4}}\)(b) \(\big[\frac{3-n}{1+n}\big]^{\frac{1}{3}}\)Vmd(c) \(\big[\frac{3-n}{1+n}\big]^{\frac{1}{4}}\)Vmd(d) \(\big[\frac{3+n}{1+n}\big]^{\frac{1}{4}}\)VmdI have been asked this question in an online interview.My query is from Cruising Performance topic in portion Cruising Performance of Aircraft Performance
Answer» Correct answer is (c) \(\big[\frac{3-n}{1+n}\big]^{\frac{1}{4}}\)Vmd The BEST I can explain: The formula for velocity of maximum SPECIFIC AIR range is\(\big[\frac{3-n}{1+n}\big]^{\frac{1}{4}}\)Vmd where ‘n’ is the exponent and Vmd is maximum velocity. The VALUE of ‘n’ depends on the value of bypass RATIO of the engine. This implies that as the value of ‘n’ increases the bypass ratio increases.

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