List of practice Questions

The Prandtl–Glauert rule gives the relation between
When heat is added in a constant area duct without friction (i.e., in Rayleigh flow), which of the following statements is true?
If a series of shock waves is used to decelerate supersonic flow to subsonic speed, then the variation of the shock wave will be
Which one of the following statements is not true for a supersonic flow?
The correct statement, for a flow across an oblique shock is
If the Mach number tends to infinity, what would be the measured density?
For compressible flow, which one of the following is true?
A gas is said to be thermally perfect when
In a supersonic flow, the indicated Pitot pressure \(p_t\) is measured by a Pitot probe for calculating the flow Mach number, which of the following relation is used
The velocity induced at a point \(P\) by the semi-infinite vortex filament is
In thin airfoil theory the lift curve slope is usually considered as
According to Kutta condition, if the trailing edge is cusped, then the velocities leaving the top (\(V_1\)) and bottom (\(V_2\)) surfaces at the trailing edge should be
In lifting flow over a cylinder the location of stagnation points when \(\Gamma = 4\pi U R\) is
The velocity potential \(\phi\) for a vortex flow is given by
Fire Stoke’s 1st comparison of pressure forces and friction forces acting on any given fluid element shows that
The incompressible continuity equation in polar coordinates is written as
Kutta-Joukowski’s theorem is defined for
The amount of lift generated in the non-rotating flow over a circular cylinder is
At low values of incidence, the center of pressure
The aerodynamic center on the aerofoil is the point where
The profile drag for a two-dimensional aerofoil is
The shape of Rankine oval of equal axes can be found out by substituting
When the velocity at the wall is zero, it refers to
In a flow, if velocity potential (\(\phi\)) exists, then the flow is said to be
Stream function is defined for