If δ denotes inert mass fraction and λ denotes the payload fraction – McqOptions

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1.	If δ denotes inert mass fraction and λ denotes the payload fraction, what is the formula for parametric mass ratio (r)?
A.	r = δ/λ
B.	r = λ/δ
C.	r = λ – δ
D.	r = λ + δ
Answer» E.

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