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.Management Sciences
Category: Fluid Mechanics for Chemical
What is the pipe called which lifts water from a reservoir to a greater height than the initial level in the supply reservoir ?
A. Penstock
B. Siphon
C. Tunnel
D. Pressure pipeline
Fanning friction factor for laminar flow of fluid in a circular pipe is____________________?
A. Not a function of the roughness of pipe wall
B. Inversely proportional to Reynolds number
C. Both A. & B.
D. Neither A. nor B.
Multistage compressors are used in industry, because they____________________?
A. Reduce the cost of compressor
B. Reduce the size requirement
C. Resemble closely to isothermal compression
D. Are easy to control
In parallel pipe problems, the__________________?
A. Head loss is the same through each pipe
B. Discharge is the same through all the pipes
C. Total head loss is equal to the sum of the head losses through each pipe
D. None of these
Molten soap mass is transported by a ______________ pump?
A. Diaphragm
B. Reciprocating
C. Gear
D. Centrifugal
The terminal velocity of a solid spherical particle falling through a stationary fluid mass in the Stoke’s law range is proportional to the_____________________?
A. Inverse of fluid viscosity
B. Square of particle size
C. Difference in the densities of the particle & fluid
D. All A., B. and C.
One dimensional fluid flow implies the ________________________?
A. Flow in straight lines only
B. Uniform flow
C. Steady uniform flow
D. Flow in which transverse components are zero
The fluid velocity varies as the square of the cylindrical pipe diameter, in case of steady state laminar flow at constant pressure drop, for ______________ fluid?
A. Newtonian
B. Dilatant
C. Pseudo-plastic
D. Non-Newtonian
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