Which of the following expressions is correct? (P fluid pressure, M- Mach number, A cross-sectional area of nozzle/diffuser)

Question

Which of the following expressions is correct? (P   fluid pressure, M- Mach number, A   cross-sectional area of nozzle/diffuser)

TuteeHUB · Accepted Answer

(  frac{1}{ }  frac{dA}{A}=  frac{dP}{P}  big  {  frac{1-M^2}{M^2}   big  }   )

TuteeHUB · Answer

(  frac{dA}{A}=  frac{1}{ }  frac{dP}{P}  big  {  frac{M^2}{1-M^2}   big  }   )

TuteeHUB · Answer

(  frac{dA}{A}=  frac{1}{ }  frac{dP}{P}  big  {  frac{M^2-1}{M^2}  big  }   )

TuteeHUB · Answer

(  frac{dA}{A}=  frac{1}{ }  frac{dP}{P}  big  {  frac{1-M^2}{M^2}   big  }   )

TuteeHUB · Answer

(  frac{1}{ }  frac{dA}{A}=  frac{dP}{P}  big  {  frac{1-M^2}{M^2}   big  }   )

1.	Which of the following expressions is correct? (P fluid pressure, M- Mach number, A cross-sectional area of nozzle/diffuser)
A.	( frac{dA}{A}= frac{1}{ } frac{dP}{P} big { frac{M^2}{1-M^2} big } )
B.	( frac{dA}{A}= frac{1}{ } frac{dP}{P} big { frac{M^2-1}{M^2} big } )
C.	( frac{dA}{A}= frac{1}{ } frac{dP}{P} big { frac{1-M^2}{M^2} big } )
D.	( frac{1}{ } frac{dA}{A}= frac{dP}{P} big { frac{1-M^2}{M^2} big } )
Answer» D. ( frac{1}{ } frac{dA}{A}= frac{dP}{P} big { frac{1-M^2}{M^2} big } )

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