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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