A lubricant 100 times more viscous than water would have a viscosity (in Pa.s) ?
A lubricant 100 times more viscous than water would have a viscosity (in Pa.s) ?
A. 0.01
B. 0.1
C. 1
D. 10
Fluid Mechanics for Chemical
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Which of the following fluid forces are not considered in the Navier-Stoke’s equation ?
Which of the following fluid forces are not considered in the Navier-Stoke’s equation ?A. Gravity forces
B. Viscous forces
C. Pressure forces
D. Turbulent forces -
In open channel flow in a rectangular channel, the ratio between the critical depth and the initial depth, when a hydraulic jump occurs is_________________?
In open channel flow in a rectangular channel, the ratio between the critical depth and the initial depth, when a hydraulic jump occurs is_________________?A. 0.5
B. 0.84
C. 1.84
D. 1.25 -
Fanning equation is given by (ΔP/ρ) = 4f (L/D) (v2/2gc). It is applicable to _____________ region flow?
Fanning equation is given by (ΔP/ρ) = 4f (L/D) (v2/2gc). It is applicable to _____________ region flow?A. Transition
B. Laminar
C. Turbulent
D. Both B. and C. -
Two liquids manometer is used for measuring small pressure differences in___________________?
Two liquids manometer is used for measuring small pressure differences in___________________?A. Liquids
B. Gases
C. Mixture of hydrocarbons
D. None of these -
The simple Pitot tube measures the _______________ pressure?
The simple Pitot tube measures the _______________ pressure?A. static
B. Dynamic
C. Total
D. None of these -
_____________ forces act on a particle moving through a stationary fluid?
_____________ forces act on a particle moving through a stationary fluid?A. Gravity
B. Drag
C. Buoyant
D. All A., B., & C. -
For flow through a venturi at a particular discharge, the correct relationships among heads at points X, Y, and Z are__________________?
For flow through a venturi at a particular discharge, the correct relationships among heads at points X, Y, and Z are__________________?A. h1 > h2 < h3
B. h1 > h2 > h3
C. h2 < h1 < h3
D. h1 < h2 < h3 -
The discharge through a V-notch weir varies as___________________?
The discharge through a V-notch weir varies as___________________?A. H3/2
B. H1/2
C. H5/2
D. H2/3 -
When larger particles e.g., grains are subjected to fluidisation, the corresponding bed produced is termed as the _______________ bed?
When larger particles e.g., grains are subjected to fluidisation, the corresponding bed produced is termed as the _______________ bed?A. Spouted
B. Sluggish
C. Boiling
D. Teeter