# Pressure Coefficient MCQs – Physics

By: Prof. Fazal Rehman Shamil

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

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

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

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

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

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

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

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

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

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

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

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

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

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