81. Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition.
82. Uniform fluid flow occurs, when the derivative of the flow variables satisfy the following condition.
83. In frictional fluid flow, the quantity, $$\frac{{\text{P}}}{\rho } + \frac{{{{\text{V}}^2}}}{{2{\text{gc}}}} + \frac{{{\text{gz}}}}{{{\text{gc}}}},$$ is
84. Rotary vacuum pumps can reduce the absolute pressure to as low as __________ mm Hg.
85. Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the
86. As per Newton's law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to (where, $$\mu $$ = fluid viscosity)
87. Toothpaste is a
88. Schedule number of a pipe, which is a measure of its wall thickness, is given by
89. Path followed by water jet issuing from the bottom of a water tank will be a
90. Turbine impeller
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