Show all working explaining detailly each step of the two liquid levels when the arms areopen to the atmosphere.(c) Explain why the pressure difference is notconstant across the meniscus of the liquidcolumn in a capillary tube, and discuss thegeneral shape of the meniscus.The surface tension and density of waterare 7x 10 'Nm and 10'kgmrespectively.in[W] B30 Define surface tension. Give a concise explana-tion of the origin of surface tension in terms ofintermolecular forces.The pressure difference on the two sides of aspherical liquid-gas interface is 2;/R; what do"and Rrepresent? (You may use this expressionin (a) if you so wish, but you are advised to use it inparts (b) and (c).)(a) Derive an expression for the height of theliquid column in a vertical, uniformcapillary tube. (Neglect any correctionfor the mass of the meniscus and assumethat the angle of contact is zero.) Describethe experimental determination of thesurface tension of water by the capillaryrise method giving with reasons, a suitablevalue for the radius of the tube.(b) The two vertical arms of a manometer,containing water, have different internalradii of 10 'm and 2 x 10 'm respec-tively. Determine the difference in height

a). The property of the liquid surface to exert tensile force is called Surface tension. Surface…

0 Define seface tension. Give a concise explana- tion of the origin of surface tension in terms of intermolecular forces. The pressure difference on the two sides of a spherical liquid-gas interface is 27/R; what do and R represent? (You may use this expression Sn (a) if you so teish, but you are advised to use it in parts (b) and (e).) (a) Derive an expression for the height of tche liquid column in a vertical, uniform capillary tube. (Neglect any correction for the mass of the meniscus and assume that the angle of contact is zero.) Describe the experimental determination of the surface tension of water by the capillary rise method giving with reasons, a suitable value for the radius of the tube. (b) The two vertical arms of a manometer, containing water, have different internal radii of 10 'm and 2 x 10 'm respec tively. Determine the difference in height

0 Define seface tension. Give a concise explana- tion of the origin of surface tension in terms of intermolecular forces. The pressure difference on the two sides of a spherical liquid-gas interface is 27/R; what do and R represent? (You may use this expression Sn (a) if you so teish, but you are advised to use it in parts (b) and (e).) (a) Derive an expression for the height of tche liquid column in a vertical, uniform capillary tube. (Neglect any correction for the mass of the meniscus and assume that the angle of contact is zero.) Describe the experimental determination of the surface tension of water by the capillary rise method giving with reasons, a suitable value for the radius of the tube. (b) The two vertical arms of a manometer, containing water, have different internal radii of 10 'm and 2 x 10 'm respec tively. Determine the difference in height

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

A thin wire ring, 3 cm in diameter, is lifted from a water surfaceat 20 ° C. Neglecting the wire weight, what is the forcerequired to lift the ring? Is this a good way to measure surfacetension? Should the wire be made of any particular material?
Air is flowing naturally over a cylinder of D=(15) cm. Air has thermal conductivity 0.027W/mK, kinematic viscosity 1.9*10-5 m2/s, Rayleigh number 108, and Prandtl number0.72. Find the Nusselt number
The belt in the Ögure moves at steady velocity V and skims the top of a tank of oil having viscosity. (a) Develop and expression for the required belt drive power in terms of h, L, b, V , and . Recalthat, for steady motion, power is equal to force velocity.(b) What power is required if the belt moves at 5 m/s over SAE 50W oil ( = 0:86 kg/ms) withh = 2 cm, L = 2 m, and b = 0:5 m
A certain torpedo, moving in fresh water at 10 8 C, has a minimum-pressure point given bythe formulapmin = p0 - 0.35 ρV2 (1)where p 0 = 115 kPa, ρ is the water density, and V is the torpedo velocity. Estimate thevelocity at which cavitation bubbles will form on the torpedo. The constant 0.35 isdimensionless.
Extend the steady fl ow between a fi xed lower plate and amoving upper plate, to the case of twoimmiscible liquids between the plates, as in Fig. (a) Sketch the expected no-slip velocity distribution u ( y )between the plates. ( b ) Find an analytic expression for thevelocity U at the interface between the two liquid layers.( c ) What is the result of ( b ) if the viscosities and layerthicknesses are equal?
pllllzzzz help me right nowww plzzz The belt moves at a steady velocity V and skims the top of oil tank. Assuming a linear velocity profile in the oil, what is the required belt-drive power P (watt) (P= power = force x Velocity) if the belt moves at 3.5 m/s over oil with specific gravity of S=3.6 and oil viscosity of 0.004 m2/s. Belt geometry L= 2 m, b = 60 cm, and oil depth is h = 3 cm?
FLUID MECHANICS: HYDROSTATICSShow the complete solution.Any method maybe used for those problems which do not specify a methof Answer: 13.734 kPa
By neglecting friction, ( a ) use the Bernoulli equationbetween surfaces 1 and 2 to estimate the volume fl owthrough the orifi ce, whose diameter is 3 cm. ( b ) Why is theresult to part ( a ) absurd? ( c ) Suggest a way to resolve thisparadox and fi nd the true fl ow rate.
1 Consider a rapidly rotating (ie, in near geostrophic balance) Boussineq fluid on the f plane. A) Show that the pressure divided by the density scales as Φ ≈ fUL B) Show that the horizontal divergence of the geostrophic wind vanishes. Thus, argue that the scaling W ≈ UH = L is an overestimate for the magnitude of the vertical velocity
Fluid Properties-The difference in pressure between theinside and outside of a soap bubble wasobserved to be 1.6 N/m2. If the surfacetension of the liquid is 40 dyne/cm, what will be the diameter of the bubble in meters?
Is the Eulerian method of fluid flow analysis more similar to study of a system or a control volume? Explain.
A correlation of computational fl uid dynamics results indicatesthat, all other things being equal, the distance traveledby a well-hit baseball varies inversely as the 0.36 power ofthe air density. If a home-run ball hit in Citi Field in NewYork travels 400 ft, estimate the distance it would travel in( a ) Quito, Ecuador, and ( b ) Colorado Springs, CO.