Category: Fluid Mechanics for Chemical

A. Inner diameter
B. Outer diameter
C. Thickness
D. Neither inner nor outer diameter

A. Same in both the tubes
B. Greater in 1 mm dia tube
C. Greater in 0.5 mm dia tube
D. Zero in both the tubes

A. Increases in the downstream direction
B. Is constant
C. Decreases in the downstream direction
D. Is independent of the area of flow

A. Copper
B. Tungsten
C. Chromium
D. Aluminium

A. Absolute viscosity
B. Ratio of absolute viscosity to density
C. Density
D. Reynolds number

A. Rotational and incompressible
B. Rotational and compressible
C. Irrotational and compressible
D. Irrotational and incompressible

A. Long pipe at constant rate
B. Long pipe at decreasing rate
C. Expanding tube at constant rate
D. None of these

A. Monotonically decreases
B. Decreases and then increases
C. Remains constant
D. Increases and then decreases

A. A fluid mass is free from shearing forces, when it is made to rotate with a uniform velocity
B. Newton’s law of viscosity is not applicable to the turbulent flow of fluid with linear velocity
distribution
C. Laminar flow of viscous liquids is involved in the lubrication of various types of bearings
D. Rise of water in capillary tubes reduces with the increasing diameter of capillary tubes

A. The form drag is dependent upon the occurrence of a wake
B. The shear stress at any given cross-section of a pipe for steady flow (either laminar or turbulent) varies linearly as the radial distance
C. An ideal fluid is the one, which has negligible surface tension and obeys the Newton’s law of viscosity
D. Existence of the boundary layer in fluid flow is because of viscosity of the fluid.