Related Questions

Venturimeters, orificemeters and nozzles are used to measure the fluid discharge from a pipeline. The average fluid velocity in a pipeline can be measured by a/an
A Weir
B Hot wire anemometer
C Cup and vane aneometer
D None of these
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 $$\frac{{\text{Q}}}{{16}}$$
A group of 10 people plan to contribute equally to pay for a friend's gift that costs G dollars. If n additional people want to contribute to pay for the gift, the required contribution per person will be reduced by how many dollars?
A Gn/(100+10n)
B (10+n)/Gn
C (10G + Gn)/n
D (Gn+10G)/Gn-10
X number of students in a class agreed to donate a total of Tk. Z to a charity. If 4 students drop out, how much more will each of the rest have to contribute so that the total donation remains the same?
A Z/4-X
B 4Z/(X2-4X)
C Z/(X=4)
D none
M men agreed to prchase a gift for Tk D. If 3 men drop out, How much more will each have to contribute toward the purchase of the gidt?
A MM-3
B MD3
C 3D3M-M2
D 3DM2-3M
Which of the following factors affect the pressure drop in a co-current gas-liquid absorption packed tower?
A Size, shape, orientation and surface of the packing particles
B Density and viscosity of fluids
C Fluid flow rates
D All of the above
What factors contribute to global winds?
A Coriolis Effect
B Convection Cells
C Uneven warming of the earth by the sun
D All of the above
In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than
A Frictional force
B Viscosity
C Surface friction
D All of the above
__________ isused for measuring the static pressure exerted on the wall by a fluid flowing parallel to the wall in a pipeline.
A Venturimeter
B Pressure gauge
C Pitot tube
D Orificemeter
The wall thickness for a large high pressure pipeline is determined by the consideration of the
A Axial tensile stress in the pipe
B Forces exerted by static and dynamic action at bends
C Circumferential pipewall tension
D Temperature stresses

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