Related Questions

Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is
A $$\frac{{\text{Q}}}{2}$$
B $$\frac{{\text{Q}}}{4}$$
C $$\frac{{\text{Q}}}{8}$$
D $$\frac{{\text{Q}}}{{16}}$$
For the laminar flow of a fluid in a circular pipe of radius R, the Hagen-Poisseule equation predicts the volumetric flow rate to be proportional to
A R
B R2
C R4
D R0.5
For laminar flow of a shear thinning liquid in a pipe, if the volumetric flow rate is doubled, the pressure gradient will increase by a factor of
A 2
B > 2
C $$\frac{1}{2}$$
The variable required to be known in correlations used for estimating the horse power of a centrifugal gas compressor and hence its cost are P. Inlet pressure Q. Compressor rpm R. Delivery pressure S. Volumetric flow rate at inlet.
A P, Q and R
B P and R
C R and S
D P, R and S
Horsepower increase of a centrifugal gas compressor without altering the volumetric flow rate will __________ the gas discharge pressure.
A Increase
B Decrease
C Not change
D Exponentially decrease
The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular stresses of equal intensity, is equal to
A Young's modulus
B Bulk modulus
C Modulus of rigidity
D Modulus of elasticity
When a body is subjected to three mutually perpendicular stresses, of equal intensity, the ratio of direct stress to the corresponding volumetric strain is known as
A Young's modulus
B Modulus of rigidity
C Bulk modulus
D Poisson's ratio
For the transfer of solution of thick slurry, the pump used is a __________ pump.
A Reciprocating
B Gear
C Diaphragm
D Centrifugal
__________ are used for the separation of coarse particles from a slurry of fine particles.
A Thickeners
B Classifiers
C Hydrocyclones
D Decanters
The abrasive slurry used in ultrasonic machining contains fine particles of
A Aluminium oxide
B Boron carbide
C Silicon carbide
D Any one of these

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