28] The space between the 10 cm long shaft and sleeve is filled with an oil of viscosity 8 poise. The diameter of the shaft is 0.5 m and rotates at the speed of 200 RPM. The thickness of the oil film which is filled in between the shaft and sleeve is 2 mm. Determine i] Torque transmitted ii] Power lost in bearing

28] The space between the 10 cm long shaft and sleeve is filled with an oil of viscosity 8 poise. The diameter of the shaft is 0.5 m and rotates at the speed of 200 RPM. The thickness of the oil film which is filled in between the shaft and sleeve is 2 mm. Determine i] Torque transmitted ii] Power lost in bearing

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

C1 (a). A lubricating oil having the dynamic viscosity of 0.056 poise and specific gravity of 1.17. Calculate (i) the density of oil in kg/m3, (ii) the weight density of oil in N/m3, (iii) the kinematic viscosity in stokes, and (iv) the specific volume in m3/kg. C1 (b). The capillary effect in a glass tube of 2.8 mm diameter, when immersed in (1) water and (2) mercury are 7.7 mm and -3.5 mm respectively. Calculate the value of surface tension in contact with air for water and mercury in N/m. Take, the contact angle for water =0° and mercury =130°. C1(a). (i).the density of oil in kg/m3 C1(a). (ii) the weight density of oil in N/m3 C1(a). (iii) the kinematic viscosity in stokes C1(a). (iv) the specific volume in m3/kg C1 (b). 1.the value of surface tension (water) in N/m C1 (b). 2. the value of surface tension (mercury) in N/m
An open horizontal tank 3 m high, 3.6 m wide and 5.1 m long is initially filled at 2 m of water. a. Determine the required acceleration in m/s? so that no water will be spilled? I Select] b. Determine the required acceleration m/s² so that 1/3 of the initial volume of water will be spilled. [Select] c. Determine the remaining volume in cu.m. if it accelerated at 7 m/s*2. I Select] Determine the minimum hydrosatic force in kN at the side of the tank if 2/3 of the initial volume will be spilled. d. [Select) e. Determine the maximum hydrosatic force in kN at the side of the tank if it accelerates at 3 m/s^2. I Select)
I need the answer as soon as possible
What is the principle involved in measuring Kinematic and Dynamic viscosity of oil using Saybolt viscosity? How is falling of sphere method differ from Saybolt Universal viscosimeter?
[CE Hydraulics] Define dynamic and kinematic viscosities. How are they related to each other? Write their dimensions.
I attached the question
(Solve the problem in a paper and upload as PDF file in the separate submission link provided, also fill the answers without the unit in the box below ) C1. Capillary rise of 3 mm is noticed when a glass tube is immersed in a container containing oil of specific gravity 0.64. The contact angle of oil is 190 and surface tension of the oil at 200C in contact with air is 0.088175 N/m. Find the following: Diameter of the glass tube in m
Please explain all intermediate steps. Thanks you
Q) The velocity v (m/s) of air flowing past a flat surface is measured at several distances y(m) away from the surface. Use Newton'sviscosity law to determine the shear stress t (N/m³) at the surface (y=0). dv 'dy Assume a value of dynamic viscosity =1.8* 10- N.s/hm² y, m V, m/s 0.002 0.287 0.006 0.899 0.012 |1.915 0.018 3.048 0.024 4.299 (r-7) Use two forward đifference approximations for h=0.006. Estimate the approximate percent relative error, &. b- , (t=?) Use two forward difference approximations with a step size of 0.012 (h=0.012). Estimate the approximatepercent relative error, , e.. (r-?) ApplyRichardson extrapolation. Estimate the approximate percent relative error, & (r=?) Use unequally spaced three data and the first-derivative of a second-order d- Langrange polynomial to evaluate the derivative (y=0) and shear stress. Estimate the approximate percent relative error, Eg Compare the approximate estimates of the error ([ed ) for the formulas used.
Indicate if it is True or False. Two endlessly long flat plates, separated by 3 inches in distance but with a thickness of 5 inches, each transport alcohol (5 m/s, 1 Pa·s, S.G. 0.89 (ref. water at 4 degrees Celsius) to a given location with a specific velocity. The Reynold's number is something in the number of 90-100.
Question 1 A small diameter capillary tube made from drawn aluminum is used in place of an expansion valve in a home refrigerator. The inside diameter is 0.5 mm. Calculate the corresponding relative roughness. Comment on whether this tube nay be considered "smooth" with regard to fluid flow.
Please solve this question correctly in a sheet of paper.