Group-I contains dimensionless parameters and Group- II contains the ratios. Group-I              $\quad$ Group -II P. Mach Number          1. Ratio of inertial force and gravitational force Q. Reynolds Number     2. Ratio of fluid velocity and velocity of sound R. Weber Number         3. Ratio of inertial force and viscous force S. Froude Number         4. Ratio of inertial force and surface tension force The correct match of dimensionless parameters in Group- I with ratios in Group-II is: (A) $\mathrm{P}-3, \mathrm{Q}-2, \mathrm{R}-4, \mathrm{~S}-1$ (B) $\mathrm{P}-3, \mathrm{Q}-4, \mathrm{R}-2, \mathrm{~S}-1$ (C) $\mathrm{P}-2, \mathrm{Q}-3, \mathrm{R}-4, \mathrm{~S}-1$ (D) $\mathrm{P}-1, \mathrm{Q}-3, \mathrm{R}-2, \mathrm{~S}-4$

Question ID - 155831 :- Group-I contains dimensionless parameters and Group- II contains the ratios. Group-I              $\quad$ Group -II P. Mach Number          1. Ratio of inertial force and gravitational force Q. Reynolds Number     2. Ratio of fluid velocity and velocity of sound R. Weber Number         3. Ratio of inertial force and viscous force S. Froude Number         4. Ratio of inertial force and surface tension force The correct match of dimensionless parameters in Group- I with ratios in Group-II is: (A) $\mathrm{P}-3, \mathrm{Q}-2, \mathrm{R}-4, \mathrm{~S}-1$ (B) $\mathrm{P}-3, \mathrm{Q}-4, \mathrm{R}-2, \mathrm{~S}-1$ (C) $\mathrm{P}-2, \mathrm{Q}-3, \mathrm{R}-4, \mathrm{~S}-1$ (D) $\mathrm{P}-1, \mathrm{Q}-3, \mathrm{R}-2, \mathrm{~S}-4$

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Answer Key : (C) -

$\mathrm{P}-2, \mathrm{Q}-3, \mathrm{R}-4, \mathrm{~S}-1$

Next Question :

For a two dimensional flow field, the stream function $\psi$ is given as $\psi=\frac{3}{2}\left(y^{2}-x^{2}\right)$. The magnitude of discharge occurring between the stream lines passing through points (0,3) and (3,4) is:
(A) 6
(B) 3
(C) 1.5
(D) 2

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