Q1: Space between two square flat parallel plates is filled with oil. Each side of the plate is 55.5 cm. the thickness of the oil film is 1.15 cm. the upper plate, which moves at 15000 cm/min requires a force of 88.1x103 KN to maintain the speed. Determine the dynamic viscosity of oil in poise and kinematic viscosity of the oil in centistokes if the specific gravity of the oil is 0.85. What happens to the dynamic

Q1: Space between two square flat parallel plates is filled with oil. Each side of the plate is 55.5 cm. the thickness of the oil film is 1.15 cm. the upper plate, which moves at 15000 cm/min requires a force of 88.1x103 KN to maintain the speed. Determine the dynamic viscosity of oil in poise and kinematic viscosity of the oil in centistokes if the specific gravity of the oil is 0.85. What happens to the dynamic

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

Q6) The space between two parallel plates is filled with oil. Each side of the plate is 60 cm. the thickness of oil film is 12.5 mm. The upper plate, which moves at 2.5 metre per sec requires a force of 98.1 N to maintain the Speed. Determine
The space between two square flat parallel plates is filled with oil. Each side of the plate is 0.8 m. The specific weight of the oil is 9560 N/m3. The thickness of the oil film is 15.8 mm and requires a force of 165 N. The liquid having the kinematic viscosity of 15 stokes. Determine (i) the shear stress (ii) the density of oil (iii) the dynamic viscosity in poise and (iv) the moving velocity of the upper plate.
Q7) A flat plate of area 1.5 x 106 mm2 is pulled with a speed of 0.5 m/s relative to another plate located at a distance of 0.2 mm from it. Find the force and power required to maintain this speed, if the fluid separating them is having viscosity as 1 Pois
If the viscosity of water at 70 °C is 0.0042 poise and its specific gravity is 0.97, determine its kinetic viscosity in centistokes.
At 68 ̊F water has a dynamic viscosity of about 2.11 x 10^-5 lb-s / ft^2, solve the kinematic viscosity (in ft^2/s) of water whose specific gravity is 0.998. Note ?????? = 62.4 ??/??^3 at normal condition.
A fluid with absolute viscosity of 0.0001 KN-s/m2 and kinematic viscosity of 3 m2/s. Determine the density of fluid?
An open tank 5m long, 2m deep and 3 m wide contains oil of relative density 0.9 to a depth of 0.9 m. If the tank is accelerated along its length on a horizontal track at a constant value of 3 m/s2 , determine: (i) The new positon of the oil surface. (ii) The pressures at the bottom of the tank at the front and rear edges. (iii) The amount of spill if the tank is given a horizontal acceleration of 4.5 m/s2 instead of 3 m/s2 .
A skater weighing 500 N skates at 10 m/s and is supported by an average skating area of 10 cm2. If the viscosity of water is 1 centipoise and the coefficient of friction between skates and ice is 0.02, then find the thickness of thin film of water existing between the skates and the ice. Follow the methodologies in solving the problem; Given : Required: Schematic Diagram: Solution:
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
Determine the force required to drag a thin plate placed in themiddle of two parallel plates 24 mm apart with the space filledwith a fluid of viscosity 0.82 Ns/m2. The area of the plate is 0.5 m2and the speed at which it is dragged is 0.6 m/s. Also find the force ifthe thin plate is at 8 mm from one of the plates.
the space between two square flat parallel plates is filled with oil .Each side of the plate is 50 cm .The thickness of oil film is 10 mm .The upper plate, which moves at 2 m/s requires a force of 95 N to maintain this speed. Determine: a- the dynamic viscosity of oil in poise. b-the kinematic viscosity of the oil, if the specific gravity of oil is 0.9
A thin plate travels between two plane, parallel, horizontal and stationary surfaces at a constant speed of 7 m/s. The two stationary surfaces are spaced 6 cm apart, and the middle is filled with oil of viscosity of 0.9 Ns/m2.The moving plate submerged in oil has a length of 2 m and a width of 0.5 m. (i) If the plate moves through the mid-plane between the surfaces, determine the force required to maintain this motion. (ii) Determine the force if the plate was 1 cm from the bottom surface and 2 cm from the top surface?