The lift of a balloon is_________________?
A. Increased, as it rises to a higher altitudeB. Due to the weight of the atmospheric air, that it displaces
C. Not dependent on the temperature of the atmosphere
D. None of these…
In case of a pipe of constant cross-sectional area, the maximum fluid velocity obtainable is___________________?
A. The velocity of sound
B. Dependent on its cross-sectional area
C. Dependent on fluid viscosity
D. Dependent on…
A pipe has a porous section of length L as shown in the figure. Velocity at the start of this section of V0. If fluid leaks into the pipe through the porous section at a volumetric rate per unit area q(x/L)2, what will be axial velocity in…