Last Updated On [03-11-2023]
Consider supersonic flow near a corner (at an angle $\theta$ from the horizontal) with an attached oblique shock (at an angle $\beta$ with horizontal) as shown in figure. If Mach number $M$ decreases gradually from a high supersonic value, which of the following statements is correct?
.png)
(A) $\beta$ will decrease if the shock is a weak shock
(B) $\beta$ will decrease if the shock is a strong shock
(C) $\beta$ will increase for both weak and strong shocks
(D) $\beta$ remains unchanged for both weak and strong shocks
Question ID - 155882 :- Consider supersonic flow near a corner (at an angle $\theta$ from the horizontal) with an attached oblique shock (at an angle $\beta$ with horizontal) as shown in figure. If Mach number $M$ decreases gradually from a high supersonic value, which of the following statements is correct?
(A) $\beta$ will decrease if the shock is a weak shock
(B) $\beta$ will decrease if the shock is a strong shock
(C) $\beta$ will increase for both weak and strong shocks
(D) $\beta$ remains unchanged for both weak and strong shocks
Consider supersonic flow near a corner (at an angle $\theta$ from the horizontal) with an attached oblique shock (at an angle $\beta$ with horizontal) as shown in figure. If Mach number $M$ decreases gradually from a high supersonic value, which of the following statements is correct?
(A) $\beta$ will decrease if the shock is a weak shock
(B) $\beta$ will decrease if the shock is a strong shock
(C) $\beta$ will increase for both weak and strong shocks
(D) $\beta$ remains unchanged for both weak and strong shocks
Next Question :
The streamlines of a potential line vortex is concentric circles with respect to the vortex center as shown in figure. Velocity along these streamlines, outside the core of the vortex can be written as, $v_{\theta}=\frac{\Gamma}{2 \pi r},$ where strength of the vortex is $\frac{\Gamma}{2 \pi}$ and $r$ is radial direction. The value of circulation along the curve shown in the figure is:
.png)
(A) $\Gamma$
(B) $-2 \Gamma$
(C) $2 \Gamma$
(D) 0
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