Category: Fluid Mechanics for Chemical

A. Wetted perimeter to flow area
B. Flow area to wetted perimeter
C. Flow area to square of wetted perimeter
D. Square root of flow area to wetted perimeter

A. Surface tension
B. Viscosity
C. Cohesion
D. Adhesion

A. Screw
B. Reciprocating
C. Gear
D. Centrifugal

A. 0.25
B. 0.5
C. 0.66
D. 0.95

A. Parabola (vertex being at the opening)
B. Hyperbola
C. Horizontal straight line
D. Zig-zag path (which is geometrically undefined)

A. 1/D
B. 1/D2
C. 1/D5
D. D2

A. Surface tension of a liquid is because of the difference in magnitude of adhesive & cohesive
forces
B. A hydrometer used for the determination of specific gravities of liquids works on the principle
of buoyant forces
C. In case of unsteady fluid flow, the velocity at any given point does not change with time
D. Turbulent fluid flow is characterised by the rapid fluctuation of instantaneous pressure &
velocity at a point

A. Union
B. Tee
C. Reducer
D. Elbow

A. Euler number
B. Specific gravity
C. Fanning friction factor
D. None of these

A. Long pipe at constant rate
B. Long pipe at decreasing rate
C. Expanding tube at increasing rate
D. Expanding tube at constant rate