Pressure Coefficient MCQs – Physics

Solved MCQs on Pressure Coefficient in aerodynamics Physics.
For compressible flow the value of Cp is given as ______
(A). Cp = P2-P1
(B). Cp = 0
(C). Cp = (P2-P1) /q
(D). Cp = 0.5*?*V12
(E). None of these
MCQ Answer: d

What is Cd vs C1 called?
(A). drag polar
(B). parasitic drag
(C). total drag
(D). no significance
(E). None of these
MCQ Answer: a

What is the Coefficient of pressure?
(A). dimensional quantity
(B). dimensionless quantity
(C). negligible value
(D). cannot be determined
(E). None of these
MCQ Answer: b

Cp is expressed only in terms of ____for the incompressible flow
(A). pressure
(B). density
(C). temperature
(D). velocity
(E). None of these
MCQ Answer: d

At ____ the cp is given the highest value
(A). endpoints
(B). stagnation point
(C). everywhere in the flow field
(D). at boundaries
(E). None of these
MCQ Answer: b

We assume that Ram is working on an experiment. He has a beaker in which the fluid is moving at a very high velocity. He is wanting to calculate the relative pressure at every point of the flow. What will help him to do so?
(A). Coefficient of lift
(B). Coefficient of pressure
(C). Drag polar
(D). Velocity
(E). None of these
MCQ Answer: b

The gliders have generally the Cp as ____
(A). 1
(B). -1
(C). 0
(D). infinity
(E). None of these
MCQ Answer: b

What is the example of a hydrostatic manometer?
(A). pressure gauge
(B). piston type gauge
(C). mercury column manometer
(D). spring manometer
(E). None of these
MCQ Answer: c

What is the value of Cp at stagnation point _____for compressible flow?
(A). 0
(B). negative
(C). infinity
(D). greater than 1
(E). None of these
MCQ Answer: d

How aspect ratio (AR) is given?
(A). b/s
(B). s/b
(C). b2/s
(D). s3/b
(E). None of these
MCQ Answer: c

Altitude is _____ proportional to the pressure?
(A). inversely
(B). directly
(C). no relation
(D). equal
(E). None of these
MCQ Answer: a

The altitude and the pressure are _____
(A). directly proportional to each other
(B). inversely proportional to each other
(C). equal
(D). independent of each other
(E). None of these
MCQ Answer: a

The coefficient of pressure at the lower surface is higher than the upper surface in a wing.
(A). true
(B). false
(E). None of these
MCQ Answer: b

The local pressure is given as ___ If the value of Cp=1
(A). P = Pfreestream + q
(B). P = 0.5*?*V12
(C). P = Pfreestream
(D). P = 0
(E). None of these
MCQ Answer: a

what is the shape of the wing called?
(A). geometry
(B). wing
(C). airfoil
(D). wing box
(E). None of these
MCQ Answer: c

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