AVIA 305 Aerodynamics – Latest Questions with Answers (Graded A+)

AVIA 305 AERODYNAMICS QUESTIONS WITH
ANSWERS LATEST UPDATE ALREADY GRADED A+



A decrease in temperature
A) affects air density by decreasing the density
B) does not affect air density
C) affects air density by increasing the density
D) none of the above - correct answer- C) affects air
density by increasing the density


An increase in static pressure
A) affects air density by decreasing the density
B) does not affect air density
C) affects air density by increasing the density
D) none of the above - correct answer- C) affects air
density by increasing the density


Bernoull's equation for subsonic flow states that


A) if the velocity of an airstream within a tube is increased, the
static pressure of the air increases.

, B) if the area of a tube decreases, the static pressure of the air
increases
C) If the velocity of an airstream within a tube increases, the
static pressure of the air decreases, but the sum of the static
pressure and velocity remains constant.
D) non of the above - correct answer- D) non of the
above


Density ratio is, σ (sigma) is


A) equal to pressure ratio divided by temperature
B) measured in slugs per cubic foot
C) equal to the ambient density divided by sea level standard
pressure
D) None of the above - correct answer- A) equal to
pressure ratio divided by temperature


Dynamic pressure of an airstream is


A) directly proportional the the square of the velocity
B) directly proportional to the air density
C) Neither (A) or (B)